A time when you experienced microaggression was when i wnet to college in another state. The lecturer in one of my course was very angry that i left my tribe, my state to another state to study. There was element of mockery in his voice.
I felt sad, angry and also bad at the same time. I just wanted to run away from the class because all eyes were on me.
Microaggressions relate to ionization energy through the power they command or hold. I can explain Microaggressions as ionization energy to someone as having the power to aggressively give out a part of you that can be good or bad.
What is an example to clarify what ionization energy is?Ionization energies gauge an atom's propensity to resist losing electrons. For instance, removing an electron from a neutral fluorine atom to create a positively charged ion requires a significant amount of energy.
Note that Microaggressions are everyday verbal, behavioral, or environmental slights that signal hostility, denigration, or negative views toward stigmatized or culturally marginalized groups. They can be deliberate or inadvertent. Chester M., a psychiatrist at Harvard University, originated the phrase.
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For substances at the same temperature absorb equal amounts of energy the specific heat of the four substances are 1.01J/G Celsius, 1.01J/G Celsius, 0.3 AJ/G Celsius, and 0.4 4J/G Celsius what is the specific heat value of the substance I will have highest in Chrisman in temperature
The substance with the highest specific heat value will have the highest increase in temperature.
What is a chemical reaction ?
Chemical reaction, the process by which one or more substances (reactants) are transformed into one or more other substances (products). Substances are either chemical elements or compounds. Chemical reactions rearrange the constituent atoms of reactants to produce different substances as products.
Chemical reactions are part of technology, culture, life . Fuel combustion, glass and pottery making, beer , and wine and cheese making are few examples. Activities involving chemical reactions that have been around for thousands of years. Chemical reactions are abundant in a variety of complex processes occurring in the Earth's geology, atmosphere and oceans, and in all biological systems.
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A concept can help you translate solutions and related data into basic themes.
A concept can help you translate solutions and related data into basic themes is a false statement.
What does the core idea mean?Basic Concepts are those nouns, verbs, and prepositions that let us understand and describe the world. In the context of the home, kindergarten, and school, these ideas are typically learnt as an essential component of the process of language acquisition.
Therefore, note that Action research is the process of carrying out research and turning the results into useful information that practitioners can use to solve issues and boost organizational effectiveness.
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A concept can help you translate solutions and related data into basic themes. True or false
list five major parts of a long bone
The 5 major parts of the long bone are :
.The Proximal epiphysis
. The distal ephiphysis
.The compact bone
.The Diphysis
.The metaphysis.
What are long bones?
They are long, wide, and cylindrical in shape. They act as levers. e.gFemur, tibia, fibula, metatarsals, humerus, ulna, radius, metacarpals, and phalanges.
The five major parts of a long bone
.The Proximal epiphysis: This is made up of the spongy bone and articular cartilage.
.The distal epiphysis: This is enclosed by a membrane of connective tissue called the periosteum.
.The metaphysis: This is made up of an epiphyseal line and red bone marrow.
.The Diphysis: This is found in the medullary cavity which has an inner core of bone marrow. It contains nutrients and helps in the formation of cells, made up of yellow marrow in the adult and red marrow in the child.
.The compact bone: This is the outer shell of the long bone is made of cortical bone called compact bone.
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what is the molarity of an aqueous solution that is 5.88% nacl by mass? (assume a density of 1.02 g/ml for the solution.) (hint: 5.88% nacl by mass means 5.88 g nacl/100.0 g solution.)
The polarity equation is given, masks are divided by smaller mosques, and all are divided by the volume of solution in liters.
As a result, we will obtain a number closer to 1.49. Thus, the original solution's polarity is as follows.
What is the meaning of Molarity ?The amount of a substance in a specific volume of solution is known as its molarity (M). The number of moles of a solute per liter of a solution is known as molarity. Molarity is defined as the number of moles of solute per liter of solution.
The moles of solute per liter of solution is measured as molarity. For instance, when table salt is dissolved in water, water serves as both the solution and the solute. Sodium chloride weights 58.44 grams per mole. One liter of water and 58.44 grams of sodium chloride combine to form one molar solution, or 1M.
100 g of a solution Additionally, it is assumed that the starting density is 1.02 grandpa. We can therefore determine the volume or solution from this information. Volume of the solution is therefore equal to the solution's mass divided by its city. So we have 100 g of solutions here. Therefore, 100 g make up the majority of the solution. Divided by the solution's density, 1.02 grandpa is obtained. The result will be 98.04 cm. The volume motor solution is now available. Next, we may determine the initial solution's polarity. As a result, we have the polarity equation, which is provided as smaller mosque divided by masks.
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. in an analysis of interhalogen reactivity, 0.500 mol of icl was placed in a 2.00 - l flask, where it decomposed at a high t: 2 icl(g) i 2 (g) cl 2 (g) calculate the equilibrium concentration of icl (k c
The equilibrium concentration of ICl is 17.97M
Equilibrium concentration is when both reactant and product are in concentration which does not change with time any more
Here given data is
Volume = 2.00L
Number of moles of ICl = 0.440 moles
Kc = 0.110
Balanced chemical equation
2ICl ⇄ I₂ + Cl₂
We have to calculate equilibrium concentration of icl = ?
Calculations for initial concentration
ICl = 0.440 moles/ 2.00L = 0.22M
I₂ = 0M
Cl₂ = 0M
Concentration of equilibrium
ICl = (0.22M - 2x)M
I₂ = xM
Cl₂ = xM
Calculation for Kc
Kc = 0.110 = [I₂][Cl₂]/[ICl]
0.110 = x²/ (0.22M-2x)²
0.332 = x(0.22M-2x)
x = 0.332×(0.22M-2x)
x = 0.0730 - 0.664x
0.664x = 0.0730
x = 0.664/0.0730
x = 9.095
The equilibrium concentration will
[I₂] = [Cl₂] = 9.095M
[ICl] = 0.22M - 2(9.095)
[ICl] = 17.97M
Equilibrium concentration of ICl is 17.97M
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I need help with number 5
Answer:
25
E
12
Explanation:
As shown in the pic
Mass number = 12 + 13 = 25
Atomic number = No of protons = 12
an aqueous potassium carbonate solution is made by dissolving 6.63 moles of k2co3 in sufficient water so that the final volume of the solution is 2.80 l . calculate the molarity of the k2co3 solution.
The molarity of the K₂CO₃ solution is 2.36 M.
MolarityThe unit of molarity is molar or M is the same as moles per liter, when n moles of a compound appear that have been dissolved in V liters of solution, the molarity formula is [tex]M = n/V[/tex]
M = molarity
n = number of moles
V = volume of solution
The concentration of the solution states the quantitative composition of the substance that has been dissolved and the solvent in the solution. Determination of the concentration or vice versa depends on the number of solution ratios of each substance that enters. Chemical reactions occur during the process and result from the presence of the same solution.
So, the molarity of the K₂CO₃ solution is:
[tex]M =6.63/2.8[/tex]
[tex]=2.36[/tex] M
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b. explain why water is so good at pulling apart ionic compounds. what do the water molecules do to keep the ions dissolved?
This is related to how polar each water molecule is.
Each water (H2O) molecule has an electric charge on its side of hydrogen, which is slightly positive, and on its side of oxygen, which is slightly negative. It facilitates the separation of ionic compounds into their positive and negative ions in water.
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An element has a mass number of 110 and an atomic number of 55. how many protons, electrons, and neutrons does it have? 1 point a. 55 p+ 55 e- 55 n b. 110 p+ 110 e- 55 n c. 55 p+ 110e- 55 n d. 55 p+ 55 e- 110 n
The number of protons, electrons, and neutrons are 55 p+ 55 e- 55 n. They are subatomic particles in the element. They can be calculated from the atomic number and the mass number.
How to find the number of protons, electrons, and neutrons?Every element has a mass number and an atomic number. The number of protons, electrons, and neutrons can be calculated from the mass number and the atomic number.
Number of protons (p+) = atomic numberNumber of electrons (e-) = atomic number - ionNumber of neutron (n) = mass number - atomic numberIf given
A mass number = 110An atomic number = 55How many protons, electrons, and neutrons?
Number of protons
= atomic number
= 55
Number of electrons
= atomic number - ion
= 55 - 0
= 55
Number of neutron
= mass number - atomic number
= 110 - 55
= 55
Hence, the number of protons, electrons, and neutrons are 55 p+ 55 e- 55 n.
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what should the mole percent of oxygen be in the diving gas for the partial pressure of oxygen in the mixture to be 0.21 atm , the same as in air at 1 atm ?
the mole percent of oxygen be in the diving gas for the partial pressure of oxygen in the mixture to be 0.21 atm , the same as in air at 1 atm is 2.52%
Atm 8.32 is the total pressure.
0.21 atm is the partial pressure of oxygen gas.
The relationship between partial pressure, total pressure, and mole fraction is depicted here.
partial oxygen pressure Total pressure x Mole percent of oxygen -
Calculate the gas's mole fraction of oxygen.
0.21 atm 8.32 x Mole fraction
Mole fraction = 0.21/8.32 = 0.0252
As illustrated below, determine the mole percent of the gas. Mole percent is equal to the mole fraction divided by 100, which is 0.0252 times 100 and 2.52% respectively.
As a result, oxygen's mole percent is 2.52%.
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How much NO , in grams, is produced?
Answer:
I presume you are talking about Nitric Oxide so the molar mass of NO is 30g/mol 30 g / m o l.
Then you should substitute the respective values from the formula above.
Doing that the mass of NO formed is 4.413 g or just 4.4 grams.
Chemical reactions are essential to the function of the human body. Many of these reactions would not occur without the presence of substances called enzymes.
Describe enzymes and give an example that shows their importance in the human body.
Explanation:
enzymes are biological catalysts that increase the rate of reaction without being used up in the reaction process.
this is done by providing an alternative route to the reaction progress that'll require a lower activation energy.
example - digestive enzyme Amylase, is used to breakdown sugars into glucose for cellular respiration.
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what atomic or hybrid orbital on the central p atom makes up the sigma bond between this p and an outer cl atom in phosphorous pentachloride, pcl5 ?
In phosphorous pentachloride, also known as pcl5, the central p atom's hybrid orbital, designated Sp3d, forms a sigma bond with an exterior cl atom. The P molecule hybridization is indicated by the symbol sp3d.
To create 5 P-Cl sigma bond in this situation, the P atom needs 5 orbitals. It needs to create the fifth sigma bond using one of its three 3d orbitals because it has three 3s and two 3p orbitals. These orbitals are combined to create five sp3d orbitals, making a triangular bipyramid. The process was referred to as hybridization, and it was characterized as the redistribution of the energy in the individual atoms' orbitals to create new orbitals with equivalent energy. The new orbitals are created and given the term hybrid orbitals. Is known as hybridization.
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is it possible to prepare 1-chloro-2,2-dimethylpropane in high yield by halogenation of an alkane? how many monohalo isomers are possible upon radical halogenation of the parent alkane?
By halogenating an alkane, it is feasible to produce high yields of 1-chloro-2,2-dimethylpropane. Therefore, following radical halogenation of the parent alkane, only one monohalo isomer is feasible.
A double-branched chain alkane containing five carbon atoms, neopentane is also known as 2,2-dimethylpropane. Neopentane is a flammable gas at ambient pressure that, on a chilly day, in an ice bath, or when compressed to a higher pressure, can condense into a highly volatile liquid known as dimethylpropane. In organic chemistry, an alkane is an acyclic saturated hydrocarbon, sometimes known as paraffin (a historical quaint word that also has various meanings). In other terms, an alkane is made up of carbon and hydrogen atoms that are all grouped in a tree form.
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what mass, in grams, of cacl2 is required to prepare exactly 500 ml of a 0.24000000000000002 m solution of cacl2?
11.10 moles of cacl2 are required
Lets 0.24000000000000002m approx. be 0.2m
so, Molarity = 0.2m
volume = 500 ml
we know that
molarity = no. of moles of solute (cacl2) / volume of solutions
0.2m = n / 0.5 L
n = 0.1 moles of cacl2
now,
1 mole of cacl2 = 110.98 gm
so,
o.1 moles of cacl2 = 11.10 gm
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a ripening apple gives off ethylene, which causes nearby apples to begin ripening. those apples then give off ethylene gas, which continues the chain reaction by causing additional apples to ripen. this is an example of
This is an example of positive feedback regulation.
What is positive feedback regulation?A change in a particular direction causes an additional change in the same direction. For example, if the concentration of a substance increases, a feedback of continuously increasing concentration will occur.
A positive feedback loop occurs in nature when a product of a reaction leads to an increase in that reaction. Considering a system in homeostasis, a positive feedback loop pushes the system away from the goal of equilibrium.
Example of Positive Feedback Loops
Fruit Ripening.Childbirth.Blood Clotting.The feedback loop possess two major forms: (1) positive feedback and (2) negative feedback. They work simultaneously to maintain body equilibrium under different conditions.
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A small, rocky island is home to a community of organisms. They include birds, insects, lichen, moss, shrubs, and small plants. Flooding during a storm damages the ecosystem, except for the lichen and moss.
Predict how the ecosystem changes immediately during the flood, after the floodwater drains, and over time.
My prediction on the conspicuous changes which occurs simultaneously during flooding activities is that it decreases the oxygen levels which are available to habitat and even destroy the community.
How does flooding affect oxygen levels in a given community of organisms during flooding?The oxygen levels are affected whenever flooding activities occur in a given habitat when its activities damage the community by way of sedimentation.
So therefore, we can now confirm from the explanation above that when flooding occurs to a given habitat of organisms, it reduces the quality of water levels which directly affect the oxygen levels too.
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If 0. 3 moles of H2O were produced, how many moles of carbon dioxide would also have been produced?
In a chemical reaction, 0. 3 moles of H2O result in the production of 0.2 moles of CO2. Chemical reactions are the means through which one group of chemical compounds are changed into another.
Chemical reactions are typically defined as changes that only affect the positions of electrons in the formation and breakage of chemical bonds between atoms, with no change to the nuclei (i.e., no change to the elements present). These types of changes are often included in the term chemical reactions.
Number of moles Definition We utilize this enormous quantity to measure atoms. Additionally, it equals the 6.022* 10 23 atoms that make up 12 grammes of carbon-12, or atoms.
C2H6 + 7/2O2 = 2CO2 + 3H2O,
where moles(CO2)=(2*0,3)/3=0.2 mol,
and n(CO2)=(2*0,3)/3=n(H2O);
n(CO2)=n(CO2)=n(H2O).
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fermentation products can include commonly known compounds such as lactic acid and ethanol, but many other products like butanol, acetic acid, and succinic acid are also possible because
Fermentation products can include commonly known compounds such as lactic acid and ethanol, but many other products like butanol, acetic acid, and succinic acid are also possible because, these products arise to complete catabolism of glucose and regenerate NAD+ from NADH.
What is Fermentation?
It is an anaerobic process in which energy can be released from glucose even if oxygen is not available.”
The main purpose of fermentation process is not producing energy but to regenerate the NAD+ from NADH. The NAD+ thus produced are utilised in oxidation of glucose. The NAD+ is reduced to NADH and is used in various stages of glucose oxidation (glycolysis, Krebs cycle, oxidative phosphorylation). Thus production of NAD+ along with butanol, acetic acid, succinct acid helps in continuing the glucose oxidation without interruption of shortage of oxidising agent (NAD+)Learn more about fermentation - Brainly.com https://brainly.com/question/11554005
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In the following reaction:
2 NaCl + Pb → PbCl2 + 2 Na
100.0 grams of Pb are added to an excess of NaCl. How many moles of Na are produced?
Answer:
About 0.965 mol Na
Explanation:
The idea that younger rock layers are deposited on top of older rock layers in an undisturbed section of sedimentary rock can best be explained by which of Steno's principles?
A. principle of superposition
B. principle of original horizontality
C. principle of original lateral continuity
The idea that younger rock layers are deposited on top of older rock layers in an undisturbed section of sedimentary rock can best be explained by the principle of superposition.
Principle of superposition is the major principle of geography. The oldest layer of the rock is consider as a base rock. after the oldest layer the layered formed are in ascending order of younger layer. so, from this principle we can younger and older one.
Thus, The idea that younger rock layers are deposited on top of older rock layers in an undisturbed section of sedimentary rock can best be explained by the principle of superposition.
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1) PbBr₂ (1) What ions are present? Which one will move towards the cathode? Which one will move towards the anode? Write the anode half equation. Write the cathode half equation. f) Write the overall redox reaction.
The ions are present in cations and anions.
The cathode Positively charged cations.
The anode is negative ions.
The oxidation occurs is Zn(s) = Zn2+ (aq) + (2e-).
A redox reaction combines two half-reactions into one complete formula. Electrons lost in the oxidation half-reaction are gained in the reduction half-reaction. Thus, a redox reaction is a chemical reaction in which electrons are transferred between the two species.
A substance that is reduced in a chemical reaction is called an oxidizing agent and a substance that is oxidized is called a reducing agent. Example of the redox reaction of zinc and copper. A reaction is complete when it reaches equilibrium, that is when the concentrations of reactants and products stop changing. If the equilibrium constant is very large.
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Lit the following ubtance in order from lowet denity to highet denity:
iron, gold, teel, water, air, ilver, aluminum, gaoline
Answer:
1.water 2. air 3.aluminum 4.steel 5.iron 6.silver 7.gold
Explanation:
The density of iron is = 7.86 g/mL
The density of gold is = 19.3 g/mL
The density of steel is = 7.8 g/mL
The density of water is = 1.00 g/mL
The density of air is = 1.29 g/mL
The density of silver is = 10.5 g/mL
The density of aluminium is = 2.70 g/mL
so..
water < air < aluminum < steel < iron < silver < gold
Complete and balance the double replacement reaction between calcium acetate and lithium phosphate.
Answer:
2Li3PO4(aq) + 3Ca(C2H3O2)2(aq)
- - - > Ca2(PO4)2(s) + 6LiC2H3O2(aq)
What is the wavelength of a radio wave having a frequency of 3.75 x 10^7 Hz?
The wavelength of a radio wave having a frequency is 0.8m.
Radio waves are the longest waves in the electromagnetic spectrum. These waves are a form of electromagnetic radiation with frequencies ranging from 300 GHz to 3 kHz, but above 3 GHz are defined as microwaves. Wave frequency is the number of waves passing through a fixed point in a given time.
calculation:-
frequency = 3.75 x 10^7 Hz?
f = wavelength / speed of light
wavelength = c/f
= 3 × 10^8 / 3.75 x 10^7 Hz
= 0.8 m.
Frequency is the rate at which the current changes direction per second. It is measured in hertz an international unit of measurement where one hertz equals one cycle per second. To calculate the frequency of a wave, divide the velocity of the wave by the wavelength. Write your answer in Hertz or Hz which is the unit for frequency. If you need to calculate the frequency from the time it takes to complete a wave cycle or T the frequency will be the inverse of the time or 1 divided by T.
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you do a calculation on a molecule and determined that the energy of the highest occupied molecular orbital (homo) is -2.42 hartree, and the energy of the lowest unoccupied molecular orbital (lumo) is 0.65 hartree. what is the wavelength of the photon required to excite this molecule from its ground state, to its first excited state?
The wavelength of the photon required to excite this molecule from its ground state, to its first excited state is 1240 nm.
This is given by the equation:
wavelength = hc/(E_homo - E_lumo)
where h is Planck's constant =6.626070 * 10^-34 J.m , c is the speed of light = 3.0 x 10^8 m/s^2, and E_homo and E_lumo are the energies of the highest occupied molecular orbital and the lowest unoccupied molecular orbital, respectively.
In this particular case, the wavelength of the required photon would be:
wavelength = hc/(-2.42 hartree - 0.65 hartree)
= 6.626070 * 10^-34 X 3.0 x 10^8 / (-3.07)
= 1240 nm
Hence , The wavelength of the photon required to excite this molecule from its ground state, to its first excited state is 1240 nm.
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what is the relationship between the s-cis and s-trans forms of 1,3-butadiene? multiple choice constitutional isomers different conformations of the same compound diastereomers resonance forms
Answer: The s-cis conformer of 1,3-butadiene is less stable than the s-trans conformer as in the s-cis conformer both the CH2 C H 2 groups are facing in the same direction resulting in a sterically crowded structure that leads to repulsion between the hydrogen atoms attached to C1 and C4
Explanation:
physical properties of matter ability to be stretched into a wire without breaking
Ductility is the physical property of matter which indicates ability to be stretched into a wire without breaking.
Due to its physical attribute of ductility, metal will stretch as opposed to breaking when pulled. In other words, a material's ductile qualities are its capacity to experience significant plastic deformation under tensile stress prior to rapture. Nickel, copper, steel, and other ductile materials are examples.
Brittleness is the property of metals that accounts for their breaking under tensile stress without producing stretch. Another name for it is abrupt failure. Glass, iron, and other fragile materials are examples.
The ability of a material to absorb mechanical overload is determined by its ductility, which is a crucial factor in engineering and manufacturing.
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onsidering that the naoh should be within a few percent of 0.30 m, what volume (in ml) would you expect to use for your third trial with 2.0453 g of khp?
The volume (in ml) would we expect to use for our third trial with 2.0453 g of KHP will be 33.0 ml
Molarity of NaOH = 0.30 molar
Mass of KHP = 2.0353 G
Molar mass of KHP = 204.2 g/mol
Volume of NaOH = ?
First we will find out the number moles of KHP
number of moles = mass / molar mass
number of moles of KHP = 2.0453 g / 204.2 g/mol
number of moles of KHP = 0.010 mol
Now we will find out the volume of NaOH
volume = number of moles / molarity
volume of NaOH = 0.010 mol / 0.30 M
volume of NaOH = 0.033 L
Conver L to ml
volume of NaOH = 0.33 L * 1000
volume of NaOH = 33.0 ml
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Which statement correctly describes a chemical
reaction at equilibrium?
A.
B.
C.
D
The concentrations of the products and
reactants are equal.
The concentrations of the products and
reactants are constant.
The rate of the forward reaction is less than
the rate of the reverse reaction.
The rate of the forward reaction is greater
than the rate of the reverse reaction.
Answer: The concentrations of the products and
reactants are equal.
Explanation: