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Chemistry
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OpenStudy (anonymous):
Given the balanced equation representing a reaction at 101.3 kPa and 298 K: N2 (g) + 3H2 (g) -> 2NH3 (g) + 91.8 kJ. Which statement is true about this reaction? 1)It is exothermic and delta H equals -91.8 kJ 2) It is exothermic and delta H equals +91.8 kJ 3) (Same as 1, but endothermic) 4) (Same as 2, but endothermic) I need an explanation as well, Thanks!
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