How much heat is given off when 32g liquid methanol (ch3oh) at its freezing point changes to solid methanol? (methanol hf=3.16 kj/mol)

a)1.58 kj
b)3.16 kj
c)0.79 kj
d) 0.18 kj

Magnesium is the limiting reactant in this experiment. calculate the theoretical yield of mgo for each trial. trial 1: trial 2: data mass of empty crucible with lid trial 1: 26.688 trial 2: 26.681 mass of mg metal, crucible, and lid trial 1: 26.994 trial: 2 26.985 mass of mgo, crucible, and lid trial 1: 27.188 trial 2: 27.180