A sample of neon is collected at 2.7 atm and 12.0 degrees C. It has a volume of 2.25 L. What would be the volume of this gas at STP?

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A sample of neon is collected at 2.7 atm and 12.0 degrees C. It has a volume of 2.25 L. What would be the volume of this gas at STP?

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Answer 1 · 2016-09-23T15:46:49

$Standard temperature and pressure$ $"Standard temperature and pressure"$ specifies $1 \cdot a t m$ $1*atm$ pressure, and a temperature of $273.15 \cdot K$ $273.15*K$

Explanation:

The combined gas law holds that $\frac{P_{1} V_{1}}{T_{1}} = \frac{P_{2} V_{2}}{T_{2}}$ $(P_1V_1)/T_1=(P_2V_2)/T_2$ .

And thus $V_{2} = \frac{P_{1} \times V_{1} \times T_{2}}{T_{1} \times P_{2}}$ $V_2=(P_1xxV_1xxT_2)/(T_1xxP_2)$

$=$ $=$ $\frac{2.7 \cdot a t m \times 2.25 \cdot L \times 273.15 \cdot K}{285.15 \cdot K \times 1 \cdot a t m}$ $(2.7*atmxx2.25*Lxx273.15*K)/(285.15*Kxx1*atm)$

$≅$ $~=$ $6 \cdot L$ $6*L$

This volume increase is reasonable as we have only marginally changed temperature, but have reduced pressure by a third.

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A sample of neon is collected at 2.7 atm and 12.0 degrees C. It has a volume of 2.25 L. What would be the volume of this gas at STP?

1 Answer

Explanation:

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