tiaholmes31
26.10.2019 •
Chemistry
What pressure must be applied to keep a gas at 750 torr and 300 k at a constant volume of 200 ml if the temperature is raised to 450 k?
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Ответ:
To solve this we assume that the gas is an ideal gas. Then, we can use the ideal gas equation which is expressed as PV = nRT. At a constant volume and number of moles of the gas the ratio of T and P is equal to some constant. At another set of condition, the constant is still the same. Calculations are as follows:
T1/P1 = T2/P2
P2 = T2 x P1 / T1
P2 = 450 (750) / 300
P2 = 1125 torr
Ответ: