Think about the news story. The reader can tell that scientists are .

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

What are the similarities of physical and chemical change ?

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate