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When gases are heated from 20^(@) to 40^...

When gases are heated from `20^(@)` to `40^(@)` C at constant pressure their volumes

A

increase by the same megnitude

B

become double

C

increase in the ratio of their molecular masses

D

increase but to different extent

Text Solution

Verified by Experts

The correct Answer is:
D
Different gases expand by different amounts when heated through the same temperature.
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Knowledge Check

  • When a gas is heated from 25^(@)C " to " 50^(@)C at constant pressure of 1 bar, its volume :

    A
    increases from V to 2V
    B
    increases from V to 1.5 V
    C
    increases from V to 1.084 V
    D
    increases from V to 1.8 V

  • The temperature of a given mass of a gas is increased from 19^(@)C to 20^(@)C at constant pressure. The volume V of the gas is

    A
    to `V((20)/(19))`.
    B
    by `(1)/(273.15)` of its volume at `0^(@)C`.
    C
    by `(1)/(273.15)` of its volume at 0K.
    D
    by a factor of `(1)/(273.15)` of its volume at `19^(@)C`.

  • 5 moles of an ideal monoatomic gas absorbes x joule when heated from 25^(@) C to 30^(@) C at a constant volume. The amount of heat absorbed when 2 moles of the same gas is heated from 25^(@) C to 30^(@) C at constant pressure, is :

    A
    `(3)/(5)xJ`
    B
    `(5)/(3)xJ`
    C
    `(2)/(3)xJ`
    D
    `(25)/(6)xJ`
    • MARVEL PUBLICATION-STATES OF MATTER : GASES AND LIQUIDS -Boyle s Law Charles Law Gay-Lussacs Law and Avogadros Law
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