With changes of state from solid to liquid and dissolving a gas in a liquid
a. increase, increase
c. increase, decrease
b. decrease, decrease
d. decrease, increase

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction