For the structure below, the [tex]sp^{2}[/tex]-hybridized carbons can be assigned the designations of re and si, respectively.
There designation indicates that we are looking down on the face of the carbon that is farthest away from us, while the si designation indicates that we are looking down on the face of the carbon that is closest to us.
The [tex]sp^{2}[/tex]-hybridized carbons are carbon atoms that have three [tex]sp^{2}[/tex] hybrid orbitals, which are a combination of s- and p-orbitals. These orbitals are used to form three covalent bonds and one unshared pair of electrons, giving the carbon atom a trigonal planar shape.
This type of hybridization is common in molecules with double bonds, such as alkene molecules, as it allows the carbon atoms to form strong double bonds with other atoms. The [tex]sp^{2}[/tex]-hybridized carbons are important in organic chemistry as they allow for a wide range of reactions to take place.
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for the pair of compounds ch3oh c h 3 o h or h2co h 2 c o the one with the higher vapor pressure at a given temperature is ____.
For the pair of compounds CH3OH and H2CO, the one with the higher vapor pressure at a given temperature is CH3OH.A substance's propensity to transform into a gas.
at a specific temperature is measured by a substance's vapor pressure. The likelihood of a material being in the gaseous form at a given temperature increases with increasing vapor pressure.More volatile than H2CO is the molecule CH3OH. A hydroxyl (-OH) group, a polar group, is bonded to the carbon atom in CH3OH, a primary alcohol. Due to greater intermolecular interactions, such as hydrogen bonding, made possible by CH3OH's polarity, such as higher boiling points and lower vapor pressures.At normal temperature, formaldehyde, commonly known as H2CO, exists as a gas with a greater vapor pressure than CH3OH.Remember that vapor pressure is a function of temperature.
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Which of the following correctly describe gas law problems? Select all that apply. Check all that apply. An individual gas law can be used to solve problems where more than one variable is unknown. The ideal gas law can be used to solve all gas law problems. The ideal gas law can be used to solve problems where one variable is unknown and the rest are known. All gas law problems require the use of the ideal gas constant R. An individual gas law can be used to solve problems where the change in one variable affects another while two other variables are held constant.
The issue can be resolved by applying a single gas law when two other variables remain constant and one changes. Issues with gas law are accurately described by this statement.
When scientists realized there could be correlations between a sample's pressure, volume, and temperature that would essentially apply to all gases, they developed the gas laws at the end of the 18th century. Given a constant temperature and pressure, the number of gas molecules is directly proportional to the amount of gas in a given volume. While the temperature and volume of the gas are constant, the pressure of the gas is directly influenced by the number of gas molecules present.
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a is a concise statement that summarizes observed behaviors and observations and predicts future observations.target 1 of 3 a is a tentative interpretation or explanation of the observed phenomena.target 2 of 3 a attempts to explain why the observed behavior is happening.
The fill in the blanks is given below as :
a) Law
b) Hypothesis
c) Theory
a) A Law is a concise statement that summarizes the observed behaviors and the observations and predicts future observations.
b) A hypothesis is a tentative interpretation or the explanation of the observed phenomena. The hypothesis is the presumption of that hasn't been proven yet or the verified but still need to evaluated through the test.
c) A theory is a attempts to explain that why the observed behavior is happening. The theory is the principle that explains the events that has already been investigated.
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One group of compounds produced by humans that are minor components of greenhouse gas are collectively called
A. CBCs. B. CFCs C. PVCs D. DVDs
One group of compounds produced by humans that are minor components of greenhouse gas are collectively called B. CFCs
Greenhouse gases are gases in the atmosphere that can trap the sun's heat. The capture of the sun's heat by greenhouse gases can cause the earth's temperature to increase, thus giving various negative effects such as melting polar ice caps, drastic climate change, and rising sea levels.
Chlorofluorocarbons (CFCs) are gases derived from a mixture of chlorine, fluorine and carbon atoms which are very stable. This gas mixture can produce a chemical refrigerant compound called freon which is used in air conditioners and refrigerators. CFCs that turn into carbon dioxide compounds accumulate in the atmosphere and are not absorbed by plant. This causes infrared radiation from the sun to be unable to bounce out of the atmosphere and causes the earth's temperature to rise.
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One group of compounds produced by humans that are minor components of greenhouse gas is collectively called CFCs. Option B is the correct answer.
Chlorofluorocarbons, often shortened into CFCs, are gases that are derived from a mixture of chlorine (Cl), fluorine (F), and carbon (C) atoms. They are also commonly known as Freon.
CFCs were typically used in the manufacture of aerosol sprays, packing materials, solvents, and mainly as refrigerants. However, ever since the 1990 Montreal Protocol happened, CFCs have been phasing out from their usage in refrigeration, insulation, and fire fighting equipment. Their production also has been banned since 1997 by an EC regulation.
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which of the following statements correctly describe the relationship between the volume of a chemical system and work? select all that apply. multiple select question. as a gas in the system contracts, the system does work on its surroundings. a chemical system may do work by the expansion of one or more gaseous products. the expansion of a gas can provide mechanical work. the work done by an expanding gas is calculated using the equation w
The best statement which correctly describe the relationship between the volume of a chemical system and work are :
- The expansion of a gas can provide mechanical work
- The work done by an expanding gas is calculated using the equation w = -PdeltaV
-A chemical system may do work by the expansion of one or more gaseous products
A chemical reaction typically involves two types of work: electrical work and work of expansion. By passing an electric current through an external wire, chemical reactions can influence their surroundings. When the volume of the system increases while the reaction is taking place, reactions also have an impact on the environment. The product of the pressure the system expands against and the change in the system's volume yields the quantity of expansion work that the reaction does.
w = PdeltaV -
When a system works on its surroundings, its internal energy diminishes, which is reflected in the equation's sign convention.
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what is the chemical reaction that occurred in the leaf disks? write out the reactants and products.
The chemical reaction that occurred in the leaf disks NaHCO₃ + H⁺⇒ Na + H₂O + CO₂. The reactant is sodium bicarbonate and the product is water and carbon dioxide.
To measure the net rate of photosynthesis under varying illumination conditions using leaf disks. Normally, leaf disks float; however, when carbon dioxide is introduced into the air gaps, the lead disk's overall density rises, and the leaf disk sinks. The leaf disks sink when sodium bicarbonate is added to the water because the bicarbonate ion serves as a carbon source for photosynthesis.
The process of photosynthesis results in the release of oxygen into the leaf's interior, which alters the buoyancy of the leaf and causes the disk to rise. Because cellular respiration occurs concurrently in the leaf, the oxygen produced by photosynthesis is used up. As a result, the net rate of photosynthesis is indirectly related to the pace at which the disks are rising.
We can investigate the effects of carbon dioxide supplies on the rate of photosynthesis because photosynthesis requires carbon dioxide as well. Water often contains some dissolved oxygen in modest amounts. By boosting the amount of carbon dioxide in the water, sodium bicarbonate or baking soda will make it more readily available to the leaves of our plants.
NaHCO₃ + H⁺⇒ Na + H₂O + CO₂
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Question 3
A typical atom has about the same number of
electrons, protons
electrons, neutrons
valence shells, neutrons
protons, valence shells
and
Although this state is frequent, atoms do not always have an equal amount of protons and electrons.
What is an atom if it has the same number of protons and electrons?When protons and electrons are distributed equally across an atom, it is said to be electrically neutral. Ions are atoms that have a different ratio of electrons to protons, or vice versa.The number of protons is the same for all atoms of a given element, but the number of neutrons might vary. A carbon atom, for instance, has six protons and typically six neutrons as well. However, certain carbon atoms have more than the typical six neutrons, such as seven or eight.Atoms of the same element always contain the same number of protons, or the same Z, but frequently differ in the number of neutrons they contain, and consequently, in their mass numbers. In the following chapter, the topic of these atoms' isotopes will be covered in further detail.To learn more about electrons refer to:
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4. write a complete arrow-pushing mechanism for the following reaction under acid- catalyzed conditions
Acid- catalyzed dehydration of alcohols will yield alkenes.
It is an elimination reaction in which water is removed from a compound. It is important for converting alcohols into alkenes. So acid catalyzed dehydration is the dehydration reaction of alcohols to generate alkene proceeds by heating the alcohols in the presence of a strong acid, such as phosphoric or sulfuric acid, at high temperatures.
During the process of acid-catalyzed dehydration, alcohols will experience either E1 or E2 mechanisms that will result in them losing water and thus forming a double molecular bond. Primary alcohols experience bimolecular elimination called E2 mechanism under this process, while secondary as well as tertiary alcohols experience unimolecular elimination or E1 mechanism.
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experiment 1: what was the mass of the empty, open 150-ml erlenmeyer flask? note: the sizes of containers in the lab may vary. select the closest answer.
The mass of an empty, open 150-ml Erlenmeyer flask would typically be around 60-70 grams.
The mass of an empty, open 150-ml Erlenmeyer flask can vary depending on several factors. The main factor is the material the flask is made from. If the flask is made of glass, the mass will be relatively consistent across different flasks of the same size, with a typical mass of around 60-70 grams.
However, if the flask is made of plastic, the mass can vary depending on the specific type of plastic and the manufacturing process used. Additionally, the mass of the flask can vary depending on the thickness of the walls and the quality of the manufacturing.
Another factor that can affect the mass of the flask is the presence of any additional features or components, such as a lid or a handle. These additional components can add to the overall mass of the flask.
In summary, the mass of an empty, open 150-ml Erlenmeyer flask can vary depending on the specific flask and the materials it is made from, but typically it weighs around 60-70 grams. Without more information about the specific flask in question, it is difficult to provide an exact mass.
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how was the molar mass of hydrogen determined to be one gram after one mole of carbon-12 assigned to have a mass of 12 grams
The molar mass of hydrogen was determined to be one gram after one mole of carbon-12 was assigned to have a mass of 12 grams because the mass of one mole of hydrogen was found to be one-twelfth the mass of one mole of carbon-12.
What is the molar mass of an element?The mass in grams of 1 mole of an element (or compound) is known as its molar mass, which is measured in grams per mole (g/mol) units.
Carbon-12 isotope was used as the standard for determining the molar mass of other elements.
One mole of carbon-12 was found to have a mass of 12 g.
Hence, the mass of one mole of other elements was determined by comparing their mass to the mass of one mole of carbon-12.
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If you have a 51.5 g of a 50.0 cm^3 volume of one of the substances listed in table1.3 which one is it?
Answer: Water at cold temperature
Explanation:
13. You dissolve 0.01 moles of glycine in 1 liter of water. The pkas of glycine are 2.35 and 9.78a. Draw the titration curve in terms of pH vs equivalents of base.b. Draw the titration curve in terms of pOH vs equivalents of base.c. You adjust the pH to 7.0. You then add 0.005 moles of NaOH.Draw the structure(s) of the ionic species of glycine present in the solution and indicate the proportion of eachspecies.4. What is the approximate pH of the solution in part c?e. Would the solution be a good buffer? Explain
The approximate pH of the solution after adding 0.005 moles of NaOH is 9.78, glycine solution will act as a good buffer at this pH because it forms zwitterion.
When the pH is equal to 7 , almost 100% of glycine exists in the zwitterion form. When we add 0.005 moles of NaOH,
0.005 moles of NaOH ⇒ HA equals to 0.005moles and A⁻ also equals to 0.005moles (50%)
pH will be equal to pKa = 9.78.
At the pH = 9,78, both the conjugate base as well as the acid are present in the solution which are able to resist pH changes which can be either by the addition of strong acid or by the addition of strong base. Therefore, in the pH range of 8.6 to 10.6, glycine acts as a very effective buffer.
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If enough of a monoprotic acid is dissolved in water to produce a 0.0152 M solution with a pH of 6.55 , what is the equilibrium constant, Ka, for the acid?
The Ka of the acid is then obtained to be 5.2 * 10^-12 .
What is the equilibrium constant Ka?We have to note that when we dissolve the monoprotic acid in water, we are going to have a weak acid and this weak acid that we have would give us the hydronium ions and the negative counter ions in the monoprotic acid.
We can write that;
Ka = x^2/0.0152 - x
Where x is the concentration of the hydronium ions
If Antilog (-pH) = Concentration of the hydronium ions then;
x = Antilog (-6.55)
x = 2.8 * 10^-7 M
As such
Ka = (2.8 * 10^-7)^2/ 0.0152 - 2.8 * 10^-7
Since x is negligible
Ka = (2.8 * 10^-7)^2/ 0.0152
Ka = 5.2 * 10^-12
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A student titrates 10.0 g of his borax solution with 3.00 M sulfuric acid, requiring 182 microliters of the acid
to reach the equivalence point. Calculate the mass percent of the borax solution.
Which statement about the scientific consensus is true
Answer:
u forgot send the exercise.. try it again
which of the following molecules will dissolve readily in water? please check all that apply. group of answer choices c6h12o6 nacl cholesterol c6h14 triglyceride
C6H1206(glucose) and NaCl(sodium chloride) will readily dissolve in water.
What are molecules?A molecule is a chemical substance made up of bound pairs of two or more atoms. A molecule might contain atoms of the same element or different elements.
Since water is a polar solvent, glucose and sodium chloride chemicals are polar compounds. This indicates that the molecules' positive and negative ends are drawn to the ends of the water molecules' positive and negative ions, making it simple for them to mix and distribute themselves uniformly.
Both cholesterol and hexane (C6H14) are hydrophobic chemicals that don't mix with water. Triglycerides are large molecules with a glycerol backbone and three fatty acid chains that are insoluble in water.
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An experiment was performed in which an empty 100-mL graduated cylinder was weighed. It was weighed once again after it had been filled to the 10.0-mL mark with dry sand. A 10-mL pipet was used to transfer 10.00 mL of methanol to the cylinder. The sand–methanol mixture was stirred until bubbles no longer emerged from the mixture and the sand looked uniformly wet.
The cylinder was then weighed again. Use the data obtained from this experiment (and displayed at the end of this problem) to find the density of the dry sand, the density of methanol, and the density of sand particles. Does the bubbling that occurs when the methanol is added to the dry sand indicate that the sand and methanol are reacting?
Mass of cylinder plus wet sand 45.2613 g Mass of cylinder plus dry sand 37.3488 g Mass of empty cylinder 22.8317 g Volume of dry sand 10.0 mL Volume of sand methanol 17.6 mL Volume of methanol 10.00 mL
The bubbling is likely due to the methanol displacing the air between the grains of sand, which causes the bubbles to form.
Does the bubbling that occurs when the methanol is added to the dry sand indicate that the sand and methanol are reacting?Density of dry sand = Mass of dry sand/ Volume of dry sand = 37.3488 g/ 10.0 mL = 3.7349 g/mL.Density of methanol = Mass of methanol/ Volume of methanol = (45.2613 g - 37.3488 g)/ 10.00 mL = 0.79125 g/mL.Density of sand particles = Mass of sand particles/ Volume of sand particles = (37.3488 g - 22.8317 g)/ 10.0 mL = 1.4517 g/mL.No, the bubbling that occurs when the methanol is added to the dry sand does not indicate that the sand and methanol are reacting.The data obtained from this experiment can be used to calculate the density of the dry sand, the density of methanol, and the density of sand particles. The density of the dry sand can be calculated by subtracting the mass of the cylinder plus the wet sand from the mass of the cylinder plus the dry sand, and then dividing that number by the volume of dry sand.The density of methanol can be calculated by subtracting the mass of the cylinder plus the wet sand from the mass of the empty cylinder, and then dividing that number by the volume of methanol. The density of sand particles can be calculated by subtracting the mass of the cylinder plus the wet sand from the mass of the cylinder plus the dry sand, and then dividing that number by the volume of sand methanol.The bubbling that occurs when the methanol is added to the dry sand does not indicate that the sand and methanol are reacting. The bubbling is likely due to the methanol displacing the air bubbles in between the particles of sand.To learn more about the density of the dry sand,methanol and sand particles refer to:
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a 17-year-old boy is brought to the emergency department by his friends. they were at a house party and found their friend unconscious after he ingested an unknown substance. on physical exam, vital signs are temp 96f, heart rate 50, respiratory rate of 4, and oxygen saturation 92% on room air. the boys pupils are miotic. on lung auscultation, there are crackles bilaterally. you administer supplemental oxygen. which of the following is the most appropriate clinical intervention?
The opiate toxidrome of miosis and CNS depression, & hypoventilation is frequently followed in the clinical diagnosis of heroin intoxication. QT prolongation has been diagnosed.
What are the uses of oxygen?The energy-producing process that powers the metabolic rates of most living organisms, respiration, depends heavily on oxygen. All living things, including humans, depend on the air that we breath to survive.
What is the ideal oxygen source?The oceans provide roughly a fifth of the oxygen on Earth, and marine life uses a similar proportion. Photosynthetic plankton are abundant in the ocean's top layer. They create more nitrogen than the biggest redwoods, yet being imperceptible to the sight.
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pyruvate starts with 3 carbon atoms but is converted to acetyl-coa, which has 2 carbon atoms. that missing carbon atom is lost in a molecule of : A. Oxaloacetate B. NADH C. ATP D. FADH2
Answer:
Explanation:
Two pyruvate molecules remain at the end of glycolysis and are still very rich in energy that can be extracted. Although no ATP is directly produced during pyruvate oxidation, it is the next stage in the process of converting the residual energy into ATP
This process happens in the matrix, the mitochondria's deepest chamber, in eukaryotes. It takes place in the cytoplasm of prokaryotes. Overall, pyruvate oxidation transforms the three-carbon molecule into the two-carbon molecule acetyl CoA CoAstart text, C, o, A, end text, which is attached to Coenzyme A. This results in a NADH NADHstart text, N, A, D, H, end text and the release of one carbon dioxide molecule. In the subsequent step of cellular respiration, acetyl CoA CoAstart text, C, o, A, end text serves as fuel for the citric acid cycle.
at which of these scales will granite appear most homogeneous to you? multiple choice question. thin section hand sample cliff face
To determine the mineral content of a rock, one would be most successful at the scale of option B: a thin section.
What is the rock about?A hand specimen is a rock that is large enough to be held in the hand and is typically used for general observations and identification of the rock type. While it is possible to identify some minerals in a hand specimen using a hand lens or microscope, the small size and limited surface area of a hand specimen can make it difficult to obtain a representative sample for detailed mineral analysis.
Therefore, a thin section is a thin slice of rock that is cut with a rock saw and mounted on a glass slide. The rock is then ground down to a thickness of about 30 microns, which is thin enough to be transparent when viewed under a microscope. A thin section allows for a much more detailed examination of the rock, including the identification of minerals and their relationships to one another.
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See full question below
At which of the following scales would you be most successful in determining the mineral content of a rock?
Hand specimen
Thin section
Cliff face
Which of the following options correctly express the relationship between the volume and temperature of a gas at constant pressure? Select al that apply. Check all that apply.
- As the temperature of the gas increases, the volume will increase. - There is an inverse relationship between volume and temperature. - VT is a constant value - The volume of the gas is directly proportional to the absolute temperature.
The correct relationship between the volume and temperature of a gas at constant pressure is the volume of the gas is directly proportional to the absolute temperature.
At constant pressure, as the temperature of a gas increases, the kinetic energy of its particles also increases, causing them to move faster and collide with the walls of the container with greater force. As a result, the volume of the gas increases. This relationship is described by Charles's law, which states that the volume of a fixed amount of gas at constant pressure is directly proportional to its absolute temperature. This relationship can also be mathematically described by the Ideal gas law, PV=nRT, where P is pressure, V is volume, T is temperature on the absolute scale, n is the number of moles of the gas and R is the ideal gas constant. When pressure is constant, we have PV = nRT, thus V = (nRT)/P = kT, where k is a constant. So, the volume of the gas is directly proportional to the absolute temperature.
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a plot of PV/RT against Pext gives a lower value than the ideal at moderate pressures and a higher value than the ideal at very high pressures for most gases. select all the statements that correctly account for this behavior
-at low pressures gas particles repel each other
-at very high pressures the molecular volume of the gas particles is significant
-at low temps, the gas particles are moving at slower velocities
-at moderately high pressures there are significant intermolecular attractions
At very high pressures, the molecular volume of the gas particles is significant. At moderately high pressures there are significant intermolecular attractions is the statements that correctly account for this given behavior.
PV = nRT is an equation of states.
There are three variables P, V, and T. They are variables because they give information on a gas's pressure, volume, temperature, and other physical properties in a specific circumstance.
The number of moles (n) can be kept constant while the ideal gas constant (R) can be discovered in chemical literature.
The following is how Moles (n) can be set to PV / RT as follows n = PV / RT. Because pressure (P), which depends on the T/V ratio and is inversely proportional to both T and V, becomes crucial.
Volume (V) is a function of T/P, where T and P are both inversely proportional to V. Temperature (T) requires PV as a prerequisite, which is directly proportional to variations in both P and V.
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To decrease air pollution, a city began limiting the number of air-polluting
particles companies were able to release into the air. The companies
were required to use control devices that catch air-polluting particles.
The companies’ processes were also changed so that the lowest possible
amounts of polluting particles were released.
Tests show that these new city rules have not decreased the levels of acid
rain. Which activity is most likely the reason that implementing these
rules did not reduce acid rain levels?
M. The number of companies in the city has decreased.
P. The number of parks and green spaces in the city has increased.
R. The number of families moving into the city has decreased.
S. The number of automobiles and traffic jams has increased.
Answer: s
Explanation:
A Phenobarbital preparation is prescribed for pediatric use at 3 mg per kilogram of body weight.
How many mg should be given to a child weighing 88 pounds?
Answer:
00 mg/kg/day given IV once daily
Explanation:
How many moles of water will be formed if you start with 1.95 g glucose?
1.95 g of glucose will yield 0.0650 moles of water.
What is glucose?Glucose is described as a simple sugar with the molecular formula C₆H₁₂O₆ which is overall the most abundant monosaccharide, a subcategory of carbohydrates.
From the question, One more glucose reacts with oxygen to produce carbon dioxide and water.
The molar mass of glucose = 180.156 g/mol
Therefore mole = mass/ molar mass
mole = 1.95/ 180.156
mole = 0.0650 moles of water.
In conclusion, glucose occurs naturally in two distinct types of molecular arrangements known as L-glucose and D-glucose isomers.
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which of the following is the net ionic equation for the reaction between aqueous sodium fluoride and hydrochloric acid?
The net ionic equation for the reaction between aqueous sodium fluoride and hydrochloric acid is H+(aq) + F- (aq) → HF (g)
The Net Ionic Equation for the Reaction between Aqueous Sodium Fluoride and Hydrochloric AcidThe ions in an aqueous solution that are created when chemicals are dissociated are represented by the ionic reaction equation. The cations and anions dissociating from the appropriate molecule or chemical is how the ionic reaction is demonstrated.
The ionic equation for the reaction between aqueous sodium fluoride (NaF) and hydrochloric acid (HCl) is:
NaF(aq) + HCl(aq) → NaCl(aq) +HF(g)
Another way to write it is,
Net ionic equation: H+(aq) + F- (aq) → HF (g)
This is a neutralization reaction, in which an acid (HCl) and a base (NaF) react to form a salt (NaCl) and water (HF). In this case, the hydrogen ion (H+) from the hydrochloric acid reacts with the fluoride ion (F) from the sodium fluoride to form hydrogen fluoride gas (HF), and the sodium and chloride ions remain in solution as the salt sodium chloride (NaCl).
So, the net ionic equation is H+(aq) + F- (aq) → HF (g).
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solvolysis of this bicyclic compound in acetic acid gives a mixture of products. the leaving group is the anion of a sulfonic acid, . a sulfonic acid is a strong acid, and its anion, , is a weak base and a good leaving group. draw curved arrows to show the movement of electrons in the following step of the reaction mechanism.
The movement of electrons in the following step of the reaction mechanism is given below:
What are three electron-related facts?The particles with negative charges known as electrons revolve around the outside of the nucleus. For scientists, it may be challenging to monitor them because of how quickly they spin. The tiniest particles in an atom, you can put 2000 of them into a proton, they are drawn to the positive ions of the protons.
What is an electron example?The smallest elemental constituent of an atom, the electron has a negative charge Protons and electrons both exist in equal amounts in different atoms. One electron and one proton are all that the hydrogen atom has. the atom of uranium, on however, comprises 92 protons and hence 92 electrons.
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Which of the following explains the interactions that occur between the atoms of water molecules and the ions that form when sodium chloride dissolves in water?
hydrogens interact with the chloride ion, oxygens interact with the sodium ion
Water's covalent bonds are more powerful than salt molecules' ionic bonds, so when salt is combined with water, the salt dissolves.
The negatively charged side of the water molecules is drawn to the positively charged sodium ions, whereas the positively charged side is drawn to the negatively charged chloride ions. In essence, a tug-of-war takes place, with the water molecules coming out on top. The ionic link that held sodium and chloride ions together is broken when water molecules force the ions apart.
Both the water molecule and the salt molecule are polar, meaning that the positive and negative charges are located on opposite sides of the molecule. This makes it possible for the salt molecule to dissolve in the water molecule.
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Base your answers to the questions on the two chemical reactions shown. Letter B represents?a. glycerol moleculeb. monosaccharidec. dipeptide moleculed. polymer
Based on the picture, the letter B represents monosaccharide.
Maltose is a carbohydrate compound belonging to disaccharides, namely carbohydrates composed of two monosaccharide molecules. Maltose is a disaccharide that is produced when amylase breaks down starch. It is found in germinating seeds such as wheat. It is also produced when glucose is burned. Maltose is a reducing sugar because it can reduce Fehling, Benedict, or Tollens reagents.
In the figure, there are pores of maltose hydrolysis. Maltose hydrolysis will produce two glucose units using the enzyme maltase catalyst or acid catalyst. So, the hydrolysis of maltose in an acidic environment produces glucose. Glucose is a monosaccharide (simple sugar).
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An element has a melting point of 120°C and it is a non-conductor of electricity. Based on this information, predict three other properties of this element.
Answer:
The element must be a nonmetal
Explanation:
1. low tensile strength
2. brittle/dull
3. not ductile