Explain why it's much colder at
the bottom of a
pool than at the
top. Also,
describe what
heat transfer
process(es) is
taking place.

Consider the balanced equation below. n2h4 + 2h2o2 n2 + 4h2o what are the mole ratios of hydrazine (n2h4) to hydrogen peroxide (h2o2) and hydrazine to water? 1: 2 and 1: 4 1: 3 and 1: 4 1: 2 and 3: 5 1: 3 and 3: 5

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

50 pts plz what is the physical state of matter of baking soda.