Please help! I will give 100pts and brainliest!!!

1. calculate the approximate enthalpy of the reaction in joules. estimate that 1.0 ml of vinegar has the same thermal mass as 1.0 ml of water. iqnore the thermal mass of th sodium bicarbonate. note: it takes about 4.2 joules () to change 1.0 gram (1.0ml) of water 1.0 c

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

What is the mass of 0.46 mol of mgcl2