Choose all the answers that apply. Which of the following has kinetic energy? rolling ball, moving car, book on a table, spinning top, or a falling tree.

Chemical reactions can be detected by changes in: a. temperature b. color c. overall mass of the products compared to the mass of the reactants d. density of the products compared to the reactants

2. The formula for density is where m is mass and V is volume. If the volume inside the packet decreases, what would happen to the density of the air inside the packet?

What causes pressure against the walls of a container when particles of gas are inside?

Based upon the valence electrons taken from the periodic table, the formula for rubidium (Rb) chlorine (CL) is:

Which of these relationships is true of an uncharged atom? which of these relationships is true of an uncharged atom? the atomic mass is equal to the number of electrons. the number of electrons is equal to the number of neutrons.

In an acid-base titration, of 20 ml of a m HCI solution with 1 m NaOH. How many ml of NaOH are needed

Which of the following is not a source of air pollution related to human activities

Objects and substances in motion is I

If you were to remove an electron from a sodium atom that has eleven protons, what would be the electrical charge of the ion?

The atomic mass of fluorine in 19.0 amu, so the molar mass is?