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04.03.2021 •
Chemistry
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Ответ:
Explanation:
if you post the whole question I can help you
Ответ:
_and_Thanks for the free points
Explanation:
Ответ:
Solution:
Assuming ideal behavior of the helium gas, we can use the universal gas law equation
P1V1/T1 = P2V2/T2
The terms with subscripts of one represent the given initial values while for terms with subscripts of two represent the final conditions.
We rearrange the gas law equation to calculate for the new volume V2:
V2 = P1V1T2 / P2T1
We can now substitute the values to the expression. Therefore,
V2 = (925torr * 392cm3 * 258.15K) / (305.15K * 775torr)
V2 = 396 cm³ or 396 553 mL