Author Question: Which of the following reaction energies is the least exothermic (but still an exothermic reaction)? ... (Read 150 times)

Jramos095 · **on:** Jul 29, 2018

Which of the following reaction energies is the least exothermic (but still an exothermic reaction)?

A) 540 kJ/mole
B) -540 kJ/mole
C) 125 kJ/mole
D) -125 kJ/mole
E) not enough information given

Question 2

How many moles of H2 bonds are broken if you react nitrogen with hydrogen according to the following reaction?

N2 + 3H2 2 NH3

A) 6
B) 2
C) 3
D) 1
E) 8