trapped air

what is trapped air?

please use Chinese


why temperature is increased but the pressure do not increase?

1 個解答

  • 天同
    Lv 7
    9 年前

    Trapped air is air confined in an eclosed space.

    2012-02-27 13:49:07 補充:

    Your suppl. question:

    You need to know the given condition under which the temperature increases. An increase of temperture may not necessarily lead to an increase of pressure. For example, under the situation that the gas is allowed to expand freely.