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    nisalyna's Avatar
    nisalyna Posts: 1, Reputation: 1
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    #1

    Jun 17, 2012, 06:22 AM
    help me solve chemistry problems
    A gas sample from another well was found upon to have the molecular formula C3H6.

    calculate the volume of carbon dioxide at ,rtp, that will be produced when 0.42 g of this gas is completely burnt in oxygen. Write an equation for this reaction.
    (1 mol of a gas at rtp = 24dm3)
    kenny514's Avatar
    kenny514 Posts: 6, Reputation: 1
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    #2

    Jun 19, 2012, 02:22 AM
    Quote Originally Posted by nisalyna View Post
    A gas sample from another well was found upon to have the molecular formula C3H6.

    calculate the volume of carbon dioxide at ,rtp, that will be produced when 0.42 g of this gas is completely burnt in oxygen. Write an equation for thsi reaction.
    (1 mol of a gas at rtp = 24dm3)
    2C3H6 + 9O2 --> 6CO2 + 6 H2O

    0.42g/42g/mol = 0.01mol=0.24dm3

    volume of CO2= 3 * m(C3H6) = 0.72dm3
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