How much heat is given off when 64 g liquid methanol (CH3OH) at its freezing point changes to solid methanol? (methanol ΔHf=3.16 kJ/mol)

0.18 kJ
0.79 kJ
1.58 kJ
6.32 kJ

Select the statement that describe chemical properties a. antacid tablets neutralize stomach acid b. helium is the lightest monatomic element c. water freezes at 0 celsius d. mercury is liquid at room temperature