When HC l(g) reacts with o_2(g) according to the following reaction. 28.6 k t of energy...

Question

Question

science chemistry

Answer 1

Answer #1

1 mol of HCl... -- > 28.6 kJ

but we have 4 mol in reaction so

4*28.6 = 114.4 kJ

since it evolved, this is exothermic, so dH must be negative

dH = -114.4 kJ

Answer 2

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