5. Which of the following characteristics in a chemical reaction indicates

that a precipitate has formed?

a. The product changes

c. The product becomes a

color only

liquid

b. A gas is produced

d. A solid is produced

Why don't we notice changes in the elevation of the land due to the moons pull?

List three ways populations change

Which is a postulate of the kinetic molecular theory of gases? Despite being very small, the volume occupied by the individual particles that compose a gas cannot be assumed to be negligible.

What is an ionization energy and the first ionization energy ...

Which is the least effective strategy for communicating about environmental issues? A. attacking the opposition's personality rather than its facts B. welcoming responses from the other side C. presenting both sides of an argument D.

Which one doesnt belong in the list below? A. a meter B. one liter C. One centimeter D. one kilometer

Which elements did curies discover

When rubidium metal is exposed to air, two atoms of rubidium, Rb, combine with one atom of oxygen. If 1.98 grams of rubidium is exposed to air, what will be the mass of the product in grams

Fission reactions can get of of control without what taking place?

In which main energy level does the 's' sublevel first appear? K (first main energy level) L (second main energy level) M (third main energy level) N (fourth main energy level)