Two lab assistants measured a metal rod. One reported the measurement as 250 cm, and the other measured it as 250. cm. These measurements are equally precise.

True

False

Which statements describe an ideal gas? Select all the correct answers. A. The average energy of the particles changes as collisions occur. B. The particles are in constant motion. C. Particles both attract and repel each other. E.

Molecules move slowest when carbon dioxide is in which form? A. liquid carbon dioxide B. solid carbon dioxide C. carbon dioxide gas D. plasma carbon dioxide

An acid is added to water, and a new equilibrium is established. What is the system after the acid is added? A. pH w = 1 x 10-14 B. pH w - 14 C. pH > pOH and Kw = 1 x 10-14 D. pH > pOH and Kw > 1 x 10-14

Which of the following is the correct word equation for the reaction described below? Mercury (II) oxide breaks down when it is heated to form oxygen gas and liquid mercury.

The atomic number of Zn2 + gives us the information about

What are the reactants and products of cellular respiration and photosynthesis?

Which situation would probably NOT result in the formation of new species? A) The introduction of a predatory fish that only eats the largest native bass in a Georgia lake.

How many electrons are present in outermost shell of argon atom

Why is there a difference between sodium and potassium in the reactivity with water

Why does the pressure inside a container of gas increase?