A reaction produces 156 mL of carbon dioxide gas collected over water at a temperature of 25.0 °C and a pressure of 99.81 kPa. C

Question

A reaction produces 156 mL of carbon dioxide gas collected
over water at a temperature of 25.0 °C and a pressure of 99.81
kPa. Calculate the volume of CO2 at STP.

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Nem 4 years 2021-08-05T20:46:59+00:00 1 Answers 147 views 0

Answers ( )

  1. thuhuong
    0
    2021-08-05T20:48:26+00:00
    Reply

    Answer:

    150mL

    Explanation:

    at stp, pressure = 1atmospheres, temperature 20°C

    V=156mL

    T=25°C

    P=99.81kPa =99.81*0.00986923=0.9850atm

    P

    1

    V

    1

    T

    1

    =

    P

    2

    V

    2

    T

    2

    V

    2

    =

    V

    1

    ×

    P

    1

    P

    2

    ×

    T

    2

    T

    1

    =

    156 mL

    ×

    1.053

    bar

    1

    bar

    ×

    273.15

    K

    298.15

    K

    =

    150 mL

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