Răspunsuri

2014-09-25T20:32:07+03:00
CuO + 2 HCl ---> CuCl2 + H2O + 63,6 kj
nr moli CuO = 200/80 = 2,5 moli
Q = nr moli * delta H = 2.5 * 63,6 = 159 kj