Which of the following causes the shape of an object to change without causing a chemical change? a. burning
b. corroding
c. folding
d. rotting

How many molecules are in 6.0 moles of methane

Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.

Calculate the mass of 0.750 mol of the following substance. na3po4. , i'm not quite sure on how to set up the problem to solve! : (