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He(g) N2(g) N2(l) H2O(l) H2(g) a. He(g) b. N2(l), H2O(l) c. He(g), N2(g) H2(g) d. N2(g), H2O(l) H2(g) e. He(g) H2O(l) Given:
He(g) N2(g) N2(l) H2O(l) H2(g) a. He(g) b. N2(l), H2O(l) c. He(g), N2(g) & H2(g) d. N2(g), H2O(l) & H2(g) e. He(g) & H2O(l) Given: HgO(s) Which of the following species would need to appear in a Heat of Formation table at 25 C and 1 atm?