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22 March, 18:45

Calculate the number of moles of gas that occupy a 3.45 L container at a pressure of 150 kPA and a tempeature if 45.6.

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  1. 22 March, 20:57
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    We have 0.195 moles of gas

    Explanation:

    Step 1: Data given

    volume = 3.45 L

    Pressure = 150 kPa = 1.48038 atm

    Temperature = 45.6 °C

    Step 2: Calculate number of moles gas

    p*V = n*R*T

    n = (p*V) / (R*T)

    ⇒ with p = the pressure of the gas = 150 kPa = 1.48038 atm

    ⇒ with V = the volume of the gas = 3.45 L

    ⇒ with R = the gas constant = 0.08206 L*atm/k*mol

    ⇒ with T = the temperature = 45.6 °C = 318.75 Kelvin

    n = (1.48038*3.45) / (0.08206*318.75)

    n = 0.195 moles of gas

    We have 0.195 moles of gas
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