Which of the following statements is true? one variable of a gas affects only one additional variable of the gas. several variables of a gas often change simultaneously.

Which of the following isotopes has the same number of neutrons as phosphorus-31?

The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing

If volume remains the same while the mass of a substance the density of the substance