At stp which of following would have the same number of molecules a 1 l of c2h4 gas? a. 0.5 of h2 b. 1l of ne c.2l of h2o d.3l of cl2

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.