Suppose a sample of air can hold at most 10 grams of water vapor. If the sample actually had 2 grams of water vapor, what is its relative humidity

True or false there are no ions present in a solution of a weak electrolyte

What is the approximate molar mass of ccl4? a. 48 grams b. 83 grams c. 154 grams d. 190 grams

How many moles is 15.0 grams iron (II) nitrate?

What would be the product when combustion reaction occurs in a small tightly closed container

1. Which best explains why ionization energy tends to decrease from the top to the bottom of a group? A. The number of orbitals decreases. B. The number of neutrons decreases. C. Electrons get closer to the nucleus. D.

The reaction rate between reactants Z and Y is proportional to the cube of [Z]. What is the rate law for this reaction?

A metal surface becomes dull because of continued abrasion. chemical or physical

What types of tissues build the digestive system?

Chemical bonds? A.) Combine compounds to form elements B.) Hold atoms together to form compounds C.) Are always covalent D.) Are always ionic

What is the smalles lt unit of copper that still maintained the characteristics of copper