What causes warm air to rise

What rule can you state about the relationship between phase changes and temperature?

A material has a density of 8.9 g/cm3 you have six cubic centimeters of the substance what is the materials mass in grams

What is the process in which two atomic nuclei combine to form a larger nucleus releasing huge amounts of energy

Which of the following is not a valid equation for describing the behavior of gases? A. (P1/V1) = (P2/V2) B. PV = nRT C. P1V1 = P2V2 D. (V2/T1) = (V2/T2)

Fluorine and Aluminum oxide react to produce Aluminum fluoride and oxygen

When does raising the temperature of a gas increase its pressure? A. temperature B. volume C. number of particles D. pressure

Hexyne. What does the name of this hydrocarbon tell you about its molecular structure?

Which of the following processes includes all of the others? Group of answer choices transport of an ion down its electrochemical gradient osmosis passive transport facilitated diffusion

How is the Bohr atomic model different from the plum-pudding model? A. In Bohr's model, the atom's mass is found at its center instead of distributed throughout. B. In Bohr's model, the atom's mass is mostly made up of electrons instead of protons.

What does the cell theory state? A. that cells come from other cells B. that cells come only from animals C. that cells cannot be created or destroyed