While camping you light a small campfire, initiating the combustion of wood to produce heat and light. What can you determine about this reaction? a. it's endothermic b. it's exothermic c. the bond-breaking energy is more than 600 kJ d. the bond making energy is more than 600 kJ

Enzymes affect the reactions in living cells by changing the

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o