Which one of the following organic materials will have the lowest rate of decomposition (slowest to
decompose)?

Seaweed with C:N ratio of 19:1

O Sawdust with a C:N ratio of 500:1

O Humus with a C:N ratio of 10:1

Corn stalks with a C:N ratio of 60:1

Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b