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13 May, 22:21

At a temperature of 320K, the gas in a cylinder has a volume of 40.0 liters. If the volume of the gas is decreased to 20.0 liters, what must the temperature be for the gas pressure to remain constant?

A. 160 K

B. 273 K

C. 560 K

D. 140 K

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Answers (1)
  1. 13 May, 22:42
    0
    Assuming the gas behaves ideally,

    PV/T = constant. P will also be constant in this giving us:

    V₁/T₁ = V₂/T₂

    40/320 = 20/T₂

    T₂ = 160 K

    The answer is A.
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