How many moles of lead (IV) chloride are needed to completely react with

42.0 grams of calcium hydroxide in the reaction below?

1 PbCl4 (aq) + 2 Ca(OH)2 (5)

O0.283 mol

114 mol

3.53 mol

1560 mol

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

What’s the theoretical yield of solid lead

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)