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Problem Which equation represents the N–H bond enthalpy in NH 3 \text{NH}_3 NH 3 NH 3 ( g ) → N ( g ) + 3 H ( g ) \text{NH}_3(\text{g}) \rightarrow \text{N}(\text{g}) + 3\text{H}(\text{g}) NH 3 ( g ) → N ( g ) + 3 H ( g ) 1 3 NH 3 ( g ) → 1 3 N ( g ) + H ( g ) \frac{1}{3}\text{NH}_3(\text{g}) \rightarrow \frac{1}{3}\text{N}(\text{g}) + \text{H}(\text{g}) 3 1 NH 3 ( g ) → 3 1 N ( g ) + H ( g ) NH 3 ( g ) → 1 2 N 2 ( g ) + 3 2 H 2 ( g ) \text{NH}_3(\text{g}) \rightarrow \frac{1}{2}\text{N}_2(\text{g}) + \frac{3}{2}\text{H}_2(\text{g}) NH 3 ( g ) → 2 1 N 2 ( g ) + 2 3 H 2 ( g ) NH 3 ( g ) → ∙ N H 2 ( g ) + ∙ H ( g ) \text{NH}_3(\text{g}) \rightarrow \bullet\text{N}\text{H}_2(\text{g}) + \bullet\text{H}(\text{g}) NH 3 ( g ) → ∙ N H 2 ( g ) + ∙ H ( g ) Browse the problem library