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vfiekz [6]
3 years ago
7

If you need to multiply the following reaction by 2 to be an intermediate

Chemistry
1 answer:
irina [24]3 years ago
5 0

Answer:

-2820 kJ

Explanation:

Just got it right on Ap3x :)

Check your question and verify that it says "multiply" and not "reverse", this is the only page that has the answer for that one.

If you have "reverse" there is another guy who asked the question, is easy to find.

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Some athletes have used steroids, often with negative consequences to their health. Steroids belong to which class of biochemica
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3 years ago
Derive an expression for the molar mass of a gas starting with its density?
notka56 [123]

Answer:

The relationships between molar mass and density for a monoatomic gas can be easy.  

The Ideal Gas Law, PV = nRT can be arranged so that n moles equals the mass/molar mass of the gas to become,

PV =  

M

mRT

​  

 

where m is the mass and M is the molar mass.

M =  

PV

mRT

​  

, if you hold the temperature of the gas constant the equation reduces to the Boyle's law or  

PV

m

​  

 

The mass will be constant assuming the container is closed and so the gas cannot be escaped so, PV will be constant.  

D =  

V

m

​  

 and M =  

PV

mRT

​  

 

M =  

P

DRT

​  

 

The higher the density of the gas the higher the molar mass and vice versa.

Explanation:

6 0
3 years ago
Balance the reaction ____Mo+___O2> ___MoO3​
DIA [1.3K]

The balanced reaction is: 2Mo+3O2>2MoO3

7 0
3 years ago
What is 2x10? I need help on my.
meriva

Answer:

20

Explanation:

Add 10, then another 10.

That makes 20.

Hope it helps!

4 0
3 years ago
Read 2 more answers
If measurements are made, then they are more precise on a larger scale.?
Anuta_ua [19.1K]

Answer:

No.

Explanation:

According to the formula б/X=б/√n, as more measurements are made, the uncertainty gets smaller.

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