A pH scale is used to measure

a. how acidic a liquid is

b. how basic a liquid is

c. both of the above

Which compound becomes less soluble in water as the temperature of the solution is increased

Should scientists always report their results from experiments

Which statement best describes the physical geography of the Italian Peninsula? It is a flat plain with few hills or mountains. It is a desert without access to fresh water. It is a combination of hills, mountains, and plains.

Number of bonds CH4 have

Why isn't the mass of the electron included in the mass of an atom on the periodic table?

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