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For which of the following reactions is AHºrx equal to the heat of formation for the...

Question:

For which of the following reactions is AHºrx equal to the heat of formation for the product? a) N2(g) + 3H2(g) + 2NH3(g) b)
For which of the following reactions is AHºrx equal to the heat of formation for the product? a) N2(g) + 3H2(g) + 2NH3(g) b) Na (s) + 2Cl2 (1) NaCl (s) c) CH. (1) - 6C (s, graphite) + 3H2(g) X d) VP4 (s, white) + 2H2(g) + Br2 (1) - PH Br (1) e) 12C (g) + 11H2(g) + 110 (g) → CH22011 (g) X 6) Ammonia burns in air as follows: 4NH3(g) + 302 (g) 2N2 (g) + 6H20 (g). How many liters of N2 (9 formed by burning 2.50 L of ammonia in excess oxygen with all species at the same temperature and pressure? a) 2.00 L b) 2.50 L c) 1.25 L d) 5.00 L e) none of these 288

Answers

Standard enthalpy of formation is the change of enthalpyduring the formation of 1 mole of substance from its constituent elem

The balanced equation is 4 NH3 (g)3 02 (g) ----- --> 2 N2 (g) 6 H20 (g) We know that PV nRT At constant T and P, V oc n Accor

.

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