Your bedroom air conditioner blows very cold air at night but only cool air during the day. Your bedroom gets lots of direct sunlight all day long. What's the hypothesis and experiment.

For which one of the following reactions is the value of δh° rxn equal to δh° f for the product? a. 2 h2 (g) + o2 (g) → 2 h2o (l) b. n2 (g) + o2 (g) → 2 no (g) c. 2 h2 (g) + o2 (g) → 2 h2o (g) d. h2o (l) + 1/2 o2 (g) → h2o2 (l) e. none of the above

Amount of liquid measured in l or lm

Can someone me with questions 15 to 17 plz.