
Concept explainers
Interpretation: The new pressure of the gas needs to be determined.
Concept Introduction:
The ideal gas equation is represented as follows:
Here, P is pressure, V is volume, n is number of moles, R is Universal gas constant and T is temperature of the gas.

Answer to Problem SII3RE
Explanation of Solution
Given Information:
The initial volume and pressure of the gas is 26.5 L and 1.5 atm respectively. The final volume of the gas is 50.0 L at constant temperature.
Calculation:
The ideal gas equation is as follows:
On expansion, number of moles of the gas also remains the same. Thus, at constant temperature and number of moles,
On rearranging,
Putting the values,
Thus, the new pressure of the gas is
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