Ionic solutions are poor conductors of electricity.

a. True

b. False

Which type of material becomes molten rock at subduction zones?

What are three substances that are solid at room temperature

At 0°C, frozen water (ice) changes to liquid water. When an ice cube is placed on something that is warmer than it, heat will move from the warmer substance to the water until A. both objects are the same temperature. B. the ice melts. C.

If you wish to prepare a 1.13 M solution of NaNo3, to what volume (in liters) would you have to dilute 25.4 mL of 3.21 M NaNO3?

A 3.0-l sample of helium was placed in a container fitted with a porous membrane. half of the helium effused through the membrane in 24 hours. a 3.0-l sample of oxygen was placed in an identical container.

If I want to say HCl (g), do I need to say the gas form of hydrogen chloride or hydrochloric acid?

Given what you know about acids and bases, which of the following descriptions is the most accurate? A. We can tell a substance is acidic if it had a high pH B. A basic substance has a low pH C.

A 0.610 m aqueous solution of kbr has a total mass of 75.0 g. what masses of solute and solvent are present?

If a gas has a volume of 15l and a temperature of 125K, and the temperature is increased to 225K, what is the new volume

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