Which statement is not true about a scientific law?

1) A scientific law is generally accepted as true.

2) A scientific law is always verified by a mathematical equation.

What evidence is there that indicates ink is a mixture?

Le Châtelier's principle states that increasing temperature favors a reaction that a. releases energy as heat. c. involves a chemical catalyst. b. requires energy as heat. d. involves an enzyme.

Select True or False: The following net ionic equation correctly shows the result of this experiment: A piece of lead metal was added to an aqueous solution of copper (II) nitrate, and within a few minutes it was observed that the lead turned black

Explain why it is harder to remove an inner shell electron than a valence electron from an atom?

The temperature of a sample of water changes from 10°C to 20°C when the sample absorbs 418 joules of heat. What is the mass of the sample? (1) 1 g (3) 100 g (2) 10 g (4) 1000

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