How are we able to see planets in the night sky?

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 ?

No copying 15 pts how does a free-body diagram tell you about the net force on an object?