Which of the following is a valid mole ratio from the balanced equation 2fe2o3+3c yield 4fe+3co2

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood

What is the effect of returning nuclear reactor cooling water back into bodies of water?

A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?