3. use the chemical reactions that occur in an air bag to explain the importance of
stoichiometry.

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

What is the oxidation state of each individual carbon atom in c2o42−?