For the balanced equation: 2 P(s) + 5 Cl2 (g) → 2 PC15() a. How many moles of Cl2 are needed to react with 118 g of P?
b. How many g of Cl2 are needed to produce 11.4 g of PC15?
C. How many g of PC15 are produced from 1.3 x 10^4 g Cl2?

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

Identify one disadvantage to each of the following models of electron configuration: dot structures arrow and line diagrams written electron configurations type in your answer below.

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape