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# Help!

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At constant temperature, the pressure of a sample of gas is inversely proportional to its volume. I have some oxygen in a 2.28 liter container with a pressure of 5 kPa. If I move all of it to a 5.7 liter container at the same temperature, what will the new pressure be in kPa?

Aug 20, 2018

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At constant temperature, the pressure of a sample of gas is inversely proportional to its volume. I have some oxygen in a 2.28 liter container with a pressure of 5 kPa. If I move all of it to a 5.7 liter container at the same temperature, what will the new pressure be in kPa?

Hello Logic!

$$\frac{p_1V_1}{T_1}=\frac{p_2V_2}{T_2}\\ \frac{5kPa\cdot 2.28l}{T}=\frac{p_2\cdot 5.7l}{T}\\ p_2=\frac{5kPa\cdot 2.28l}{5.7l}$$

$$p_2=2kPa$$

Greetings

!

Aug 21, 2018
edited by asinus  Aug 21, 2018