Gases are unique because it is the only phase that

can be compressed

can flow

is composed of moving particles

cannot be compressed

True or false Infrared rays are electromagnet waves that are longer than radio waves but shorter than visible light rays.

A compound is a substance composed of two or more elements that are

While looking at neon on the periodic table a student needs to find an element with a smaller atomic mass in the same group where should the student look?

In lab, you will be provided with a 1.8 M acetic acid solution (CH3COOH) and solid sodium acetate trihydrate (NaOOCCH3  3H2O). You want to make 100.0 mL of a 0.5 M acetic acid buffer at pH 5.00.

Eli states that sodium phosphate is a mixture because it is composed of both sodium ions and phosphate ions. Which is the best analysis of Eli's statement? a.

Materials with small, connected pores are a. impermeable c. unsaturated b. permeable d. saturated

Which of the following work by Robert Hooke most likely impacted later scientists who developed the theory that all organisms are made of cells? a.

Who first established the heliocentric view

If measurements of a gas are 75l and 300 kilopascals and then the gas is measured a second Time and found to be 50L describe what had to happen to the pressure

The neritic zone is also called the: a. Intertidal zone c. Eutrophic zone b. Bathyal zone d. Subtidal zone