Why does your shampoo bottle expand when you travel to colorado from san franciso?

Select the statement about mixtures that is correct. Select one: a. Suspensions are homogeneous mixtures of two or more components. b. Solutions contain particles that settle out in time. c. Suspensions can change reversibly from liquid to solid. d.

Aluminum is an element. Which best describes what makes up a sample of aluminum? A. one kind of atom B. two different kinds of atoms C. all carbon-based atoms D. a carbon atom and non-carbon atoms

What are the properties of corn Plastic?

What happens to the kinetic energy of the particles of a substance as the substance changes from a liquid to a gas?

You draw back on the piston of a pump and the volume of air in the pump doubles. Which of the following happens? A. Half of the gas leaks out and the pressure is reduced. B. The temperature of the room doubles. C.

For a given reaction, adding a catalyst increases the rate of the reaction by (1) providing an alternate reaction pathway that has a higher activation energy (2) providing an alternate reaction pathway that has a lower activation energy (3) using

An element which forms an oxide that dissolves in water to form an acidic solution.

Milk of magnesia is a base. What happens when you drink milk of magnesia for an upset stomach? A) It raises the pH of your stomach. Eliminate B) It lowers the pH of your stomach. C) It cleanses the stomach of harmful, painful bacteria.

Which of the following can be classified as an empirical formula? Why? A. S2Cl2 B. C6H10O4 C. Na2SO3

A student records the value 1.5 atm on a data table. The student is measuring what?