How many mols is 3 g H2O?
mols = g/molar mass = 3/18 = 0.168 mols.
42 kj/mol x 0.168 mol = ? kJ released. Energy going out is negative.
The molar heat of vaporization of water is 42 kJ/mol. How much energy is released by the condensation of 3.0 g of
water?
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wagwan fam
1 answer