Calculate the decrease in temperature when 7.00 L at 21.5 °C is compressed to 4.00 L. The pressure remains constant at 101.3 kPa.

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asked Mar 25, 2022 196k views

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Calculate the decrease in temperature when 7.00 L at 21.5 °C is compressed to 4.00 L. The pressure remains constant at 101.3 kPa.

Chemistry
high-school

Alex Larzelere asked

by Alex Larzelere

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1 Answer

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Step-by-step explanation:

$(P _(1) V _(1) )/(T _(2)) = (P _(2) V _(2))/(T _(1)) \\ ((101300 * 7))/((21.5 + 273)) = ((101300 * 4))/(T _(2)) \\ T _(2) = ((405200 * 294.5))/((709100)) \\ T _(2) = 168.3 \: kelvin \\ decrease \: in \: temperature = (294.5 - 168.3) \\ = 126.2 \: kelvin$