Can someone help please!??

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 does the process of natural selection involve

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?