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JulijaS [17]
3 years ago
6

Does the +2 and -1 make a difference when solving for the Hrxn? What difference does it make?

Chemistry
1 answer:
Kruka [31]3 years ago
4 0

Answer:

It would be a square plus b square and i am writing just so i can get pionts

Explanation:

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Consider the combustion of methanol at some high temperature in a constant-pressure reaction chamber: 2ch3oh (g) + 3o2 (g) \long
Monica [59]

The balanced reaction is

2CH3OH (g) + 3O2 (g) ⟶ 2CO2 (g) + 4H2O (g)

as per equation two moles of methanol gas will react with 3 moles of oxygen

one mole of gas occupies 22.4 L of volume

so the moles and volume goes in same ratio

it means two unit volume of methanol will react with three unit volume of oxygen

therefore 1L of methanol gas will react with 3 /2 L of oxygen

Or 18 L of methanol gas will react with 3 x 18 /2 = 27  L of oxygen

So here oxygen is limiting reagent

As per balanced equation

10L of oxygen will react with = 2 X 10 /3 L of methanol = 6.67 L of methanol gas to give 6.67 L of CO2 gas and 13.33 L of water gas

So overall there will be = 18 - 6.67 L of left out methanol = 11.33 L

And 6.67 L of CO2 + 13.33 L of water = 20 L

Total volume of gas = 11.33+ 20 = 31.33 L

8 0
3 years ago
Read 2 more answers
Can chlorine form two bonds?
pychu [463]

Double bonds are not formed by chlorine. To complete its octet, oxygen requires two bonds (two single bonds or one double bond) and two lone pairs.

Chlorine can only form single bonds unless, for instance, it is bonded to oxygen (ClO3H), in which case, the oxygen forces chlorine to form double bonds.

The chemical element chlorine has the atomic number 17 and the symbol Cl. The second-lightest halogen, fluorine is situated between bromine and fluorine in the periodic table and has most of its features in the middle. At room temperature, chlorine is a gas that is yellow-green.

To know more about Chlorine, visit;

brainly.com/question/14962130

#SPJ4

6 0
1 year ago
Chemical bonds form because: a. The atoms have more energy bonded together than separated b. The atoms have less energy bonded t
MrMuchimi

Answer:

A. The atoms have more energy together than separated.

Explanation:

There are several reasons why a chemical bond could take place. Adding things like heat or pressure stimulate the atoms to force a reaction to take place. But when it comes down to it, the intramolecular forces of the electrons  pull each other to form chemical bonds (represented by Valence electrons). The stronger these are, the more likely they are going to bond.

Atoms with lower forces typically don't typically bond with other atoms of lower forces.

6 0
3 years ago
Pls help! I'll give brainliest!
I am Lyosha [343]

Answer:

sorry im not sure

Explanation:

a

7 0
3 years ago
How would you separate a mixture of alcohol and water
Kisachek [45]
You can use fractional distillation
4 0
3 years ago
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