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Problem For which of the following change f ′ H ≠ f ′ E f'H \neq f'E f ′ H = f ′ E H 2 ( g ) + I 2 ( g ) → 2 HI ( g ) \text{H}_2(\text{g}) + \text{I}_2(\text{g}) \rightarrow 2\text{HI}(\text{g}) H 2 ( g ) + I 2 ( g ) → 2 HI ( g ) HCl ( aq ) + NaOH ( aq ) → NaCl ( aq ) + H 2 O ( l ) \text{HCl}(\text{aq}) + \text{NaOH}(\text{aq}) \rightarrow \text{NaCl}(\text{aq}) + \text{H}_2\text{O}(\text{l}) HCl ( aq ) + NaOH ( aq ) → NaCl ( aq ) + H 2 O ( l ) C ( s ) + O 2 ( g ) → CO 2 ( g ) \text{C}(\text{s}) + \text{O}_2(\text{g}) \rightarrow \text{CO}_2(\text{g}) C ( s ) + O 2 ( g ) → CO 2 ( g ) N 2 ( g ) + 3 H 2 ( g ) → 2 NH 3 ( g ) \text{N}_2(\text{g}) + 3\text{H}_2(\text{g}) \rightarrow 2\text{NH}_3(\text{g}) N 2 ( g ) + 3 H 2 ( g ) → 2 NH 3 ( g ) Browse the problem library