3. In which compound is the oxidation state of oxygen -1? (Show why) (a) 02 (b) H20 (c) H2SO4 (d) H2O2 (e) KCH3COO

4. Which of the following metals will be oxidized by Pb(NO3)2: Zn, Cu, Fe? Why?

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.

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule