Calculate the ph of a solution prepared by dissolving 0.750 mol of nh3 and 0.250 mol of nh cl 4 in water sufficient to yield 1.00 l of solution. the kb of ammonia is 1.77 × 10-4 .

i believe it is a.) released into

explanation:

the enthalpy of formation of water is given as -285.8kj/mol, which states that the enthalpy of formation is negative.

negative enthalpy of formation indicates that the heat is released during the reaction process. the heat is released from reaction to the surroundings the enthalpy is expressed with a negative sign with the energy given out in the reaction process.

the formation of water takes place by giving out heat which is -285.8 kj/mol.