1)Write out a reaction associated with the enthalpy of formation of aqueous ammo

Question

1)Write out a reaction associated with the enthalpy of formation of aqueous ammonia. you must include states for all the reactants and products.

2)Write out the reaction associated with the enthalpy of formation of aqueous hydrochloric acid. You must include states for all the reatants and products.

3) When doing coffee cup calorimetry, how do you get Final and inital temperature?

4) Write out a reaction of adding 1.5 Ammonia and 1.5 hydrochlroic acid and exclude water from the reaction, include states and do not include water.

5) wite out a reaction of adding solid ammonium chloride with distilled water include states and do not include water.

Explanation / Answer

1) N2 (g) + 3 H2 (g) ------> 2 NH3 (aq) dH = -ve
2) H2 (g) + Cl2 (g) ------> 2 HCl (aq) dH = -ve
4) 3/2 NH3 (aq) + 3/2 HCl (aq) -----> 3/2 NH4Cl (aq)
5) NH4Cl (s) + H2O (l) -----> NH4+ (aq) + Cl- (aq)

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