The Hawaiian islands formed as a result of a hot spot.

A.) True

B.) False

How could you separate I mixture of marbles, corks, and nails?

What is true about the energy involved in a chemical reaction?

Why types of clouds did you observe today and what type of weather can you predict will occur from these clouds?

8. What must occur for osmotic forces to cease across a cell membrane? A. Equilibrium. B. Diffusion. C. Dehydration D. Active transport.

Airplane cabins are pressurized so passengers can breathe comfortably at altitudes of up to 9,200 meters (30,000 feet). The air pressure inside the cabin at this altitude, however, is still lower than the atmospheric pressure at sea level.

How many molecules of sodium nitrate are produced when 17 g of sodium azide, NaN3, react according to the following equation: NaN3 (aq) + AgNO3 (aq) - --> AgN3 (s) + NaNO3 (aq) Question options: 3.7x1023 1.6 x 1023 1.85x1023 6.02x1023

Which statement is true for the given reaction? Zn + PbSO4

A student states the following: "Since acetone (nail polish remover) evaporate more readily than water, one would assume that acetone has weaker intermolecular forces than water." Evaluate their claim. (2 sentences)

A catalyst can only be used once. True False

On what basis do we distinguish between substances and separate them from one another?