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13 October, 14:42

1.5L of gas is initially at 37 degrees * C. The volume of the gas is increased to 42L. What is the final temperature of the gas if the pressure remains constant?

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Answers (2)
  1. 13 October, 18:20
    0
    8680K or 8407°C

    Explanation:

    Initial volume V1 = 1.5L

    Initial temperature T1 = 37+273 = 310K

    Final volume V2 = 42L

    Final temperature T2=?

    From Charles law:

    V1/T1 = V2/T2

    Therefore T2 = V1*T1/V1 = 42*310/1.5=8680K or 8407°C
  2. 13 October, 18:39
    0
    The final temperature is 8680 K or 8407 °C

    Explanation:

    Step 1: Data given

    Initial volume of the gas = 1.5 L

    Initial temperature of the gas = 37.0 °C = 310 K

    Final volume of the gas = 42 L

    Step 2: Calculate final temperature

    V1/T1 = V2/T2

    ⇒with V1 = the initial volume of the gas = 1.5 L

    ⇒with T1 = the initial temperature = 310 K

    ⇒with V2 = the final volume of the gas = 42 L

    ⇒with T2 = the final temperature of the gas = ?

    1.5 L / 310 K = 42 L / T2

    0.0048387 = 42L / T2

    T2 = 42 / 0.0048387

    T2 = 8680 K

    The final temperature is 8680 K or 8407 °C
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