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30 April, 01:51

The temperature of 75 mL of gas is decreased from 450 K to 150 K while the pressure is held constant. What is the new volume of the gas?

A

25 ml

B.

225 mL

C.

300 mL

D.

375 mL

+2
Answers (2)
  1. 30 April, 02:01
    0
    Answer: Option A) 25mL

    Explanation:

    Given that,

    Original volume of gas (V1) = 75mL

    Original temperature of gas (T1) = 450K

    New volume V2 = ?

    New temperature T2 = 150K

    Since volume and temperature are given while pressure is held constant, apply the formula for Charle's law

    V1/T1 = V2/T2

    75mL/450K = V2/150K

    To get the value of T2, cross multiply

    75mL x 150K = 450K x V2

    11250mL•K = 450K•V2

    Divide both sides by 450K

    11250mL•K / 450K = 450K•V2/450K

    25mL = V2

    Thus, the new volume of the gas is 25mL
  2. 30 April, 05:23
    0
    A 25ml
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Home » Chemistry » The temperature of 75 mL of gas is decreased from 450 K to 150 K while the pressure is held constant. What is the new volume of the gas? A 25 ml B. 225 mL C. 300 mL D. 375 mL
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