What are the correct coefficients for each reactant and product when this equation is balanced? Make sure to select the correct order. __MgO + __H2O -->__Mg(OH)2

A. 2,2,2

B. 2,3,4

C. 1,1,1

Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)