When the molecules in a body move with increased speed, it's possible that the body will change from a

A. gas to a liquid

B. gas to solid

C. liquid to a gas

D. liquid to a solid

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block

Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?