When NaOH is added to water, the hydroxide concentration increases. What can you conclude about NaOH?

A. It releases protons.

B. It is a base.

C. It has a low pH.

D. It donates H + ions.

Gravitational potential energy depends on what two things?

Which causes a rainbow in the sky? a. Sunlight (white light) is refracted as it passes through different layers in the atmosphere. b. Sunlight (white light) refracts when it passes through droplets of water in the atmosphere. c.

What determines whether a current carries warm or cold water?

What is a force on the object if it has a mass of 10.41 kg and an acceleration of 6.5 m/s2

What does the negative sign in F = - kx mean?

A 72-kg fisherman in a 114-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 5.0 m/s.

Roberto creates an animation titled "Flying through an Atom." The animation makes it seem as if the viewer passes all the way through an atom, starting from one side, then through the atom's center, and then leaving through the other side.

Which part of the ear vibrates at the frequency of sound waves

A submarine that is in the sea what principle is that

1. It takes 26.5 N to pull a 72 kg sled across snow. What is the coefficient of friction? 2. A 565 N rightward force pulls a large box across the floor with a constant velocity of 0.75 m/s. If the coefficient of friction is 0.