A cleaning bottle contains 83.1g of ammonia. how many molecules of ammonia are in the bottle

Ok so co(g) is not pronoused that. the only clue is that youpronouse it the oppisote way. 

Answerδh > 0explanationc₆h₆  (s)  → c₆h₆ (l)if you are changing it from a solid to a liquid, you are pretty much melting the solid. this requires heat energy. therefore, the reaction is endothermic (takes in energy); the system enthalpy increases as the reaction proceeds: δh > 0.

Answer(false);