Question

Matil Mar 21 at 9 AM EDT is allowed, with a one time 10% penalty to submitted score. Use the References to access important values if needed for this question Given the standard enthalpy changes for the following two reactions: (I) 2Ni(s)-O2(g) 2NiO(s) ΔH。 479.4 kJ (2) Ni(s)-C12(g)--NiCl2(s) ΔΗ。=-305.3 kJ what is the standard enthalpy change for the reaction (3) 2Nici2(s)" O2(g) 2NiO(s)-2C12(g) ΔΗ。 ? kJ Submit Answer

Answer 1

equatien 2 end mulplt by 2 equahen 2 9) equatien x2 equaton2 △n= (66.4x2ー164-2 ) KJ- Zwo_ 31.4 KJ