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mr Goodwill [35]
2 years ago
12

Please help I’m stuck

Chemistry
1 answer:
jonny [76]2 years ago
8 0

Answer:

wouldn't it be the #2 because +∆H um I forgot

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Compare and contrast physical property and chemical property
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A flexible container at an initial volume of 4.11 L contains 2.51 mol of gas. More gas is then added to the container until it r
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Answer:

7.81 moles

Explanation:

To solve this problem, let us generate an expression involving volume and number of mole of the gas since the pressure and temperature of the gas are constant.

From ideal gas equation:

PV = nRT

Divide both side by P

V= nRT/P

Divide both side by n

V/n = RT/P

Since RT/P are constant, then:

V1/n1 = V2/n2

Data obtained from the question include:

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V2 = 16.9L

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Using the above equation i.e V1/n1 = V2/n2, the final number of the gas can be obtained as illustrated below:

4.11/2.51 = 16.9/n2

Cross multiply to express in linear form

4.11 x n2 = 2.51 x 16.9

Divide both side by 4.11

n2 = (2.51 x 16.9) / 4.11

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Now, to obtain the number of mole of the gas added, we'll subtract the initial mole from the final mole i.e

n2 — n1

Number of mole added = n2 — n1

10.32 — 2.51 = 7.81 moles

Therefore, 7.81 moles of the gas was added to the container

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