Answer:
297.15kelvin is the correct answer
Answer:297 k
Explanation:
What force on Earth can affect the pull of gravity?
Objects with more mass have more gravity. Gravity also gets weaker with distance. So, the closer objects are to each other, the stronger their gravitational pull is. Earth's gravity comes from all its mass.
Answer:
the moon or the sun
Explanation:
HELP!!!!!....... Iron oxide reacts with carbon monoxide to produce iron and carbon dioxide, with the balanced chemical equation Fe2O3 + 3CO —> 2Fe + 3CO2. What does this tell you about the relative amounts of iron oxide and iron consumed and produced in this equation?
A. For every two moles of iron oxide consumed, one mole of iron is produced,
B. For every two grams of iron oxide consumed, one gram of iron is produced.
C. For every gram of iron oxide consumed, two grams of iron are produced
D. For every mole of iron oxide consumed, two moles of iron are produced.
Answer:D
Explanation: There is one mole of Iron Oxide on the reactants side(left) and two moles of iron on the products side (right).
HELP! WILL GIVE BRAINLIEST DUE SOON
Dome Mountains are formed when:
A: plateaus are eroded away
B: faults rub against each other
C: magma escapes from the crust
D: magma pushes up sedimentary rock
Answer:
I am not the best to answer this but I think it would be B
Explanation:
three molecules of oxygen react with four molecules of hydrogen to produce water molecules write a balanced chemical equation
Answer:
ExpC
H
4
+
2
O
2
→
C
O
2
+
2
H
2
O
This is the balanced reaction equation for the combustion of methane.
Explanation:
The Law of Conservation of Mass basically states that matter can neither be created nor destroyed. As such, we must be able to show this in our chemical reaction equations.
If you look at the equation above, you'll see an arrow that separates the reaction equation into two parts. This represents the direction of the reaction.
To the left of the arrow, we have our reactants.
To the right of the arrow, we have our products.
The quantity of each individual element in the left must equal the quantity of each individual element in the right.
So if you look below, you'll see the unbalanced equation, and I'll try to explain how to balance the reaction.
C
H
4
+
O
2
→
C
O
2
+
H
2
O
Our reactants in this equation are
C
H
4
and
O
2
.
Our next step is to break these down into individual atoms.
We have:
1 C atom, 4 H atoms & 2 O atoms.
If you're confused by this, look to see the little number to the bottom right of each element, the subscript, and it tells you how many of each atom are in the molecule. Make sense?
Now we look to the other side of the equation.
Here we see our products are
C
O
2
+
H
2
O
Again, we break these down into individual atoms again.
We have:
1 C atom, 2 H atom, 3 O atom
Perform each conversion
5.88 dL to liters
Answer:
5.88 dL = 0.588 litre
Explanation:
We need to find a conversion from 5.88 dL to liters.
We know that the conversion is as follows :
1 deciliter = 0.1 litre
To find 5.88 dL to liters, we use the unitary method. So,
5.88 dL= (0.1×5.88) litre
5.88 dL = 0.588 litre
So, there are 0.588 liters in 5.88 dL.
Which part of the landscape shown in this image is the steepest?
Answer: A I believe
Explanation:
How many grams of hydrogen are produced when 125 g of iron reacts with 125 g of water?
3 Fe + 4H2O ---> Fe3O4 + 4H2
5.95g
13.89g
111.11g
119.10g
Using the equation below, how many liters of water can be made from 7.6 L of oxygen gas at STP?
Answer:
V = 15.2 L
Explanation:
STP means that T = 273 K and P = 1 atm.
We use the PV=nRT equation to convert the given liters of oxygen to moles:
1 atm * 7.6 L = n * 0.082 atm·L·mol⁻¹·K⁻¹ * 273 Kn = 0.340 molNow we convert O₂ moles to H₂O moles, using the stoichiometric coefficients of the equation:
0.340 mol O₂ * [tex]\frac{2molH_2O}{1molO_2}[/tex] = 0.68 mol H₂OFinally we use the PV=nRT equation once again to convert 0.68 moles of H₂O to liters:
1 atm * V = 0.68 * 0.082 atm·L·mol⁻¹·K⁻¹ * 273 KV = 15.2 LA white light shined onto a green brick bricks science
Answer:what’s the question?
Explanation:
) An organic chemistry lab book gives the following solubility data for oxalic acid 9.5g/100ml water 23.7g/100ml ethanol 16.9g/100ml ether (a) A 14CL student has 40 g of oxalic acid in 1000ml of water and wishes to extracted into an organic solvent for further experiments. Which solvent should the student use for the extraction
Answer:
Ethanol
Explanation:
Solvent extraction is the process in which a compound transfers from one solvent to another owing to the difference in solubility or distribution coefficient between these two solvents(Science Direct).
We have to remember that oxalic acid will be extracted better into a solvent in which it is more soluble. From the data given; oxalic acid is more soluble in ethanol than in ether.
This simply means that ethanol is a better solvent for extracting oxalic acid from water when compared to ether.
Select the correct answer
Which hand is negatively charged?
Option B is the correct answer .
What is Charge ?
Charge is a basic property of matter that is associated with the presence or absence of electrons. Objects can have positive or negative charge, or they can be neutral, which means they have an equal number of positive and negative charges. In physics, charge is one of the fundamental concepts used to explain the behavior of matter and energy in the universe. The interaction between charges is described by Coulomb's law, which states that the force between two charges is proportional to the product of their charges and inversely proportional to the square of the distance between them.
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Can someone help me please on this question like quick?
A reactive metal that burns with oxygen and makes a white bright light is?
sodium
iron
magnesium
copper
Answer:
it is magnesium hope it helps
Which of the following is an educated guess?
O Inference
O Observation
O Hypothesis
O Quantitative
The temperature in mark’s town is 30 degrees Fahrenheit. The temperature in Vikki’s town is 82 degrees Fahrenheit. In both towns, the relative humidity is 90 percent. Is the amount of water vapor in the air the same in both towns?
Answer:
sorry don't know the answer but i really need the points sorry
Explanation:
I need help please on chemistry
Intermolecular forces exist between what?
Answer:
Intramolecular forces are the forces that hold atoms together within a molecule. Intermolecular forces are forces that exist between molecules.
Explanation:
Why is nitro group called an ambident group?
Answer:
An ambident ("both teeth") group is a group that can attach to another by either of two atoms. A nitro group can bond through either N or O. In organic chemistry, this property gives rise to functional group isomers.
Explanation:
Explanation:
An ambident ("both teeth") group is a group that can attach to another by either of two atoms. A nitro group can bond through either N or O. In organic chemistry, this property gives rise to functional group isomers.
Hope this is fine for you☺️☺️☺️What is the value for the rate of constant, k(with units)?
Answer:
b
Explanation:
Everything in the universe that we can detect is either matter or ___________.
Answer:
Everything in the universe that we can detect is either matter or energy.
Everything in the universe that we can detect is either matter or energy.
What is energy?Energy exists in the capacity of a physical system to do work. The common symbol for energy exists in the uppercase letter E. The standard unit stands for the joule, symbolized by J. One joule (1 J) exists as the energy resulting from the equivalent of one newton (1 N) of force operating over one meter (1 m) of displacement.
A matter is referred as a substance having a certain mass and can take up a certain volume in the space. For example pen, pencil, toothbrush, water, milk are matters as well as car, bus, bicycle is also a matter. So matter is considered as a living thing and a non-living thing.
Energy, is the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms.
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Which atom is oxidized in the reaction of benzhydrol with bleach?
Answer:
Which atom is oxidized in the reaction of benzhydrol with bleach?
Explanation:
n this experiment, students will perform a simple oxidation reaction of a secondary
alcohol. Recall that Oxidation Is a Loss of electrons while Reduction Is a Gain of electrons (OIL
RIG). In order to apply this mnemonic, you must know the oxidation states of each atom within
the compound, with particular interest on carbon. Carbon can carry oxidation states ranging
from -4 to +4. A few examples are shown in Figure 1 below. It is also common for carbon to
carry an oxidation state of -3, -1, +1, and +3.
Figure 1. Examples of carbon’s oxidation levels.
You may have noticed that all of the compounds in Figure 1 are neutral and carbon has
zero formal charge in each example. The concept of oxidation state and formal charge are
similar with one important difference in the calculation. Both are calculated by taking the
difference between the valence electrons (from the periodic table) and the number of electrons
belonging to that atom within the molecule. For a given atom, the valence electrons will never
change but the electrons ‘belonging’ the atom in the molecule will vary depending on number of
lone pairs and attachments to more or less electronegative atoms. The important difference in
the calculation of oxidation states and formal charge is based on the following assignment of
bonding electrons (Figure 2). This is how the highlighted carbon in ethanol can have an
oxidation state of -1 but a formal charge of zero.
- Oxidation states assign bonding electrons to the more electronegative atom in a bond,
except when the two atoms are the same and the bonding electrons are split equally.
Answer:
so the reaction would probably would be a chemical reaction
"When benzophenone reduces to diphenylmethanol, leftover products include the CH2OH and NaBH3 species. The energetic CH2OH and NaBH3 quickly bond to give (CH2OH)H3B-Na+. This complex is the main second product of benzophenone reduction."
Reactant Ratios
"In life, four benzophenone molecules react with each BH4 complex. Since four benzophenone molecules each attract a hydrogen atom from the “BH4” hydrogen donor, four “CH2OH”s bond with each boron (B) atom. Realistically, the secondary product is (CH2OH)4B-Na+ and four diphenylmethanol molecules. Focusing on one benzophenone molecule at a time is helpful for explaining and understanding reaction steps."
i hope it helps
=>
Please put them in order for 15 points
Answer:
I forgot that but I think boron is first d ff\
Explanation:
Someone answer this question by me
I'm giving 100 points for that question
https://brainly.com/question/21777272
If you don't want to get reported and want brainiest, answer the question and don't just spam some random things. I really need help with this that's why I'm giving so many points
Answer:
Uiiikjhb+2
Explanation:
I’m gonna swinggggggf
2-Methyl-2-pentanol can be made starting from two different ketone electrophiles using two different Grignard reagents: one from a lower molecular mass Grignard reagent and one from a higher molecular mass Grignard reagent. Provide the retrosynthetic analysis for both routes using bromine as the halogen.
Answer:
Explanation:
In this case, we can do this by thinking a little.
Both ways use a grignard reagent, the difference between both ways is that one use an electrophile ketone with a low molecular mass, and the other has a high molecular mass.
The grignard reagent is commonly used to reduce carbonyle groups to alcohols. In the first step, a complex with the reagent is formed in the carbonile, and in the second step, the oxygen atom is hidrated in acid or basic medium and form the respective alcohol.
For the first way, we will use a high molecular mass ketone. In this case the 2-pentanone reacting with CH₃MgBr as a grignard reagent.
For the second way, we will use a low molecular mass ketone, in this case Acetone, reacting with CH₃CH₂CH₂MgBr. Both of them, will give the same product of 2 methyl-2-pentanol. See picture below for that
Hope this helps
which metals take part in chemical reactions when exposed to the air?
Answer:
sodium metal take part when exposed to air
If AB = 5 inches and AD = 8, find BD. Round to the nearest tenth if necessary.
WILL GIVE BRAINLIEST
Answer:
6.5
Explanation:
half of 5 is 2.5, half of 8 is 4. 2.5+4=6.5
:)
What is the Molar Mass of Iron(Fe)? and also state how many particles there are in one mole of iron.
This compound is treated with two different oxidizing reagents: either H2CrO4 and H2SO4, or with PCC. Draw the major organic product for each of the oxidation reactions. Do not draw inorganic by-products.
Answer:
See explanation and image attached
Explanation:
We were told that one of two different oxidizing agents were used H2CrO4 and H2SO4 or PCC/CH2Cl2.
Now, we must know that when we use H2CrO4 and H2SO4, primary alcohols are converted to aldehydes and then to carboxylic acids while secondary alcohols are converted to ketones.
When we use PCC/CH2Cl2 primary alcohols are converted to aldehydes and does not move further to convert to carboxylic acids while secondary alcohols are converted to ketones.
Recall that tertiary alcohols are not oxidized at all.
(Al = 27.0 g, O = 16.0 g, H = 1.0 g)
2 Al(OH)3 Al2O3 + 3 H2O
how many grams are produced from .85 moles of AI(OH)3
Answer:
Explanation:
21
The scientific method
A.is a recipe for doing science
B.will always give the right answer
C.is a systematic approach to the study of phenomena
D.involves preconceived ideas
Answer:
A. Is a recipe for soing science
Explanation:
A scientific method is a procedure for conducting science experiments, its almost like a recipe for a science experiment.