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March 26, 2017

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Given the following equation,

C3H8 (g) + 5O2 (g) -> 3CO2 (g) + 4H2O (g); H comb = -2219 kJ/mole

A) how much heat will be released when 10 g of propane is burned?

B) how much heat will be released when 10 g of water (H2O) is formed?

Please show all work.

  • Chemistry Grade 12 - ,

    A. You get 2219 kJ for a mol (44 g) propane; therefore,
    2219 x (10/44) = ? kJ.

    B. You get 2219 kJ for 4 mol H2O (4*18 = 72g). Therefore,
    2219 kJ x (10/72) = ? kJ.

  • Chemistry Grade 12 - ,

    volume of oxygen in liters at .91 ml of oxygen

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