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given 90 ml of Hydrogen gas collected with the temperature is 27 degrees C. What
volume will the Hydrogen occupy at 42 C ?

  • science -

    assuming the Hydrogen gas is ideal, we can use the formula:
    (V1)/(T1) = (V2)/(T2)
    where
    V1 = initial volume
    T1 = initial temperature (units in Kelvin)
    V2 = final volume
    T2 = final temperature (units in Kelvin)
    since the given temp are in degree Celsius, we first convert it to Kelvin by adding 273:
    T1 = 27 + 273 = 300 K
    T2 = 42 + 273 = 315 K
    substituting to the formula:
    90 / 300 = (V2) / 315
    V2 = 94.5 mL

    hope this helps~ :)

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