A balloon originally has a volume of 4.39L

at 44 C and a pressure of 729 torr. What temperature must the balloon be cooled to to reduce its volume to 3.78L at the same pressure?

(A) 38 C
(B) 72.9 C
(C) 0 C
(D) 546 C
(E) 273 C

Is the correct answer (A), 38 C?

1 answer

  1. Convert deg. C to deg. K, then substitute into the Combined Gas Law:
    P1V1/T1 = P2V2/T2
    Solve for V2.
    Your answer is not correct.

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