Which is true about dissolving a polar substance in water? The solvent particles are all nonpolar molecules. The solute particles are carried into the solution. The solute particles have no attraction for the solvent molecules. The solute particles are very different from the solvent molecules.

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved

Suppose you increase your walking speed from 7 m/s to 15 m/s in a period of 1 s. what is your acceleration?