`15 L` of gas at `STP` is subjected to four different conditions of temperature and pressure as shown below. In which case the volume will remain unaffected?

Options

A. `273 K`, `2 "bar"` pressure
B. `273^(@)C`, `0.5 atm` pressure
C. `546^(@)C`, `1.5 atm` pressure
D. `273^(@)C`, `2 atm` pressure

Explanation

To determine in which case the volume of the gas will remain unaffected when subjected to different conditions of temperature and pressure, we can use the combined gas law, which states:

\[ \frac{P_1 V_1}{T_1} = \frac{P_2 V_2}{T_2} \]

Where:
- \( P_1 \) and \( P_2 \) are the initial and final pressures,
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