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Boyle's law states that at constant temp...

Boyle's law states that at constant temperature, If pressure is Increased on a gas, volume decreases and vice-versa. But when we fill air in a balloon, volume as well as pressure Increase. Why ?

Text Solution

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The law is applicable only for a definite mass of the gas. As we fill air into the balloon, we are introducing more and more air into the balloon. Thus, we are increasing the mass of air inside. Hence, the law is not applicable.
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Knowledge Check

  • At constant temperature if the pressure of an ideal gas is increased by 10% then its volume must decrease by

    A
    0.1
    B
    0.0901
    C
    0.1525
    D
    0.1101

  • At constant temperature on increasing the pressure of a gas by 5% will decrease its volume by -

    A
    `5%`
    B
    `5.26%`
    C
    `4.26%`
    D
    `4.76%`

  • When the volumn of a gas is decreased at constant temperature the pressure increases because the molecules

    A
    strike the unit area of the walls of the container more often.
    B
    strike the unit area of the walls of the container with higher speed
    C
    strike the unit area of the wall of the container with lesser speed.
    D
    move with more kinetic energy

    • Similar Questions

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    At a constant temperature what should be the percentage increase in pressure for a 10% decrease in the volume of gas ? .

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    On reducing the volume of the gas at constant temperature, the pressure of the gas increases. Explain on kinetic theory.

    A constant temperature , the volume of a gas is to be decreased by 4 % The pressure must be increased by

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