Forums Assignment Help Chemistry

This topic contains 3 replies, has 3 voices, and was last updated by  ahtutor 9 years, 1 month ago.

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  • #29

    ahwriter
    Participant

    The vapour pressure of deliquescent substance is less or more than that of water vapours in air ?

    #8580

    Tyler
    Participant

    Less than that of water vapours in air.

    #8582

    ahtutor
    Participant

    vapour pressure of a deliquescent substance is less than that of the water vapour in air because these substances absorb water vapor and thus reduce its vapor pressure. Please look at the below table

    Systematic name Water vapor

    Liquid State water

    Solid state ice

    Properties[1]

    Molecular formula H2O

    Molar mass 18.01528(33) g/mol

    Melting point 0 °C (273 K)[2]

    Boiling point 99.98 °C (373.13 K)[2]

    specific gas constant 461.5 J/(kg·K)

    Heat of vaporization 2.27 MJ/kg

    specific heat capacity

    at constant pressure 1.84 kJ/(kg·K)

    #8583

    ahtutor
    Participant

    For more please look at this page.

    http://en.wikipedia.org/wiki/Water_vapor

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