What name should be used for the ionic compound KOH? potassium oxide potassium oxygen hydride potassium hydroxide potassium hydrogen oxide

A pH of 2 indicates a (n) O weak acid strong acicd O weak base O strong base

Which is the most important characteristic in determining an elements chemical properties

If a collision between molecules is very gentle the molecules are

Choose the correct statement below regarding heat and temperature. The temperature of an object is related to its kinetic energy - increasing the temperature increases the mass in the kinetic energy equation.

A gas with volume of 700.0 mL at STP (0.0 0C, 1.00 atm) is compressed to a volume of 200.0 mL and the temperature is increased to 30.0 0C. What is the new pressure in kPa?

In a hydrogen atom, what color is the emission line observed when electrons drop from the fifth to the second energy level?

What is always conserved in a chemical reaction? A. Mass is always conserved in a reaction. B. Energy is always conserved in a reaction. C. Mass and energy are both conserved. D. Nothing is always conserved in a reaction.

What impact would a sudden increase in the price of wood have on producers and consumer? How might each group respond to the change in price?

Which of these is NOT a colloid? a. Blood b. Fog c. Mountain Dew Soda d. Milk

Copper is added to a solution of nitric acid. The solution becomes hot and changes from colorless to dark blue. What is the best explanation for the change in temperature?