how many kilojouels of heat are produced when 670gof oxygen react with sufficient hydrogen?
2H2 + O2 ==> 2H2O
Look up the delta Hf in your text or notes, then
q = delta Hf x (670/32) = ??
Look up the delta Hf in your text or notes, then
q = delta Hf x (670/32) = ??