Argon gas at \( 305 \mathrm{~K} \) is confined within a constant volume at a pressure \( p_{1} \...

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Argon gas at \( 305 \mathrm{~K} \) is confined within a constant volume at a pressure \( p_{1} \). If the gas has a pressure \( p_{2} \) when it is cooled to \( 195 \mathrm{~K} \), what is the ratio of \( p_{2} \) to \( p_{1} \) ?
(A) \( 0.410 \)
(B) \( 0.717 \)
(C) \( 0.639 \)
(D) \( 1.28 \)
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