How is the potential (voltage) of a redox reaction determined using the reduction potential chart? Calculate the voltage for the equation in 3(a).

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

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

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o