Before a bond breaks in a chemical reaction, what happens?

a. energy is absorbed.

b. neutrons in the nucleus expand.

c. an atom loses its protons.

d. the products get larger.

2h2s + 3o2 2so2 + 2h2o which option gives the correct mole ratios? h2s: so2 = 2: 2 and o2: h2o = 3: 2 h2s: so2 = 2: 3 and o2: h2o = 3: 2 h2s: so2 = 4: 4 and o2: h2o = 5: 4 h2s: so2 = 4: 6 and o2: h2o = 4: 4

What is the empirical formula for c4h8o2

Stage in which a star’s outer layers have started to cool and grow outward?