How many moles of oxygen (O2) are required to produce 40 liters of water (H2O) if there is excess hydrogen (H2)? 2 H2 + O2 → 2 H2O

40.0 moles O2

1.76 moles O2

0.89 moles O2

3.57 moles O2

What is the question

Heat is involved in chemical change in two ways; chemical changes either result in heat being added to or removed from an object, and chemical changes require a certain amount of heat before they can take place.

The answer to your q it is d