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dimulka [17.4K]
4 years ago
15

How do I solve this?

Chemistry
1 answer:
ira [324]4 years ago
6 0
Sorry, I can't really see the question )-:
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the system absorbs 34.7 j from the surroundings in form of heat as it increases its volume to 12.80 l under an external pressure
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The initial volume of the gas is obtained as 11.02 L.

<h3>What is the initial volume?</h3>

The work done can be obtained from the use of the formula;

W = PΔV

W = work done on the gas

P = pressure of the gas

ΔV = Change in volume

Now we can see that;

Internal energy = 127.5 J or 1.26 Latm

Heat lost = 34.7 J or 0.34 Latm

We now have;

-1.26 = 0.34 -  0.900(12.80 - V1)

-1.26 = 0.34 - 11.52 + 0.9V1

-1.26 + 11.18 = 0.9V1

V1 = -1.26 + 11.18 / 0.9

V1 = 11.02 L

Learn more about work done:brainly.com/question/13031096

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When Magnesium and Oxygen react 204 g of MgO is actually produced. The calculated theoretical yield is 216 g. What is the percen
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Answer:

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Explanation:

204/216=.94444

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