The chemical formula for lithium phosphide is li3p

Which of the following is the best example of an isolated system? A. A bus at a bus station B. An astronaut in a spaceship C. A motorcycle in a garage D. A car on the freeway

1. Which of the following rules determines the charge on a monatomic Ion formed from a nonmetal? A. Group number - 8 B. Group number/8 C. 8 - group number D. 8 x group number 2. Which of the following statements is true? A.

The Kw of water varies with temperature. Calculate the pH of water at 46⁰C with a Kw = 1.219 x 10-14. Show all calculations leading to an answer.

Which statement BEST describes how the French and Indian War led to America's Revolutionary War? Group of answer choices Great Britain gained control of Canada and tried to use Canada's tax structure on the thirteen colonies.

Which describes an object in projectile motion? Check all that apply. Gravity acts to pull the object down. The object moves in a straight path. The forward velocity of the object is 0 m/s. The object's inertia carries it forward.

Condensation requires? a) the removal of energy b) the absorption of energy. c) no energy change.

What is the species that determines the ph of a solution?

Echoderms contain a what similar to the kind that vertebrates have

Study the following unbalanced redox reaction. Which one of the following choices represents the balanced redox equation? PbS + O2→ PbO + SO2 PbS + 2O2→ PbO + 2SO2 2PbS + 2O2→ 2PbO + 2SO2 2PbS + 3O2→ 2PbO + 2SO2 3PbS + 3O2→ 2PbO + 2SO2

Arrange these gases in order of decreasing standard molar entropy: Rank from largest to smallest. Kr, Cl2, SO3