1 a

If an atom has no charge, which of the following must be

true?

The mole fraction of carbon dioxide (xco2) in water is 0.25. determine the molarity of co2. (assume the density of the solution is 1.0 g/ml.)

What is the symbol for molarity?

What happens when the silvered coin is put on the flame

What fossil fuel causes acid rain?

For this problem, there are 4 things required to receive full credit. 1) The name of the gas law you are using to solve the problem. 2) The formula of the gas law you are using to solve the problem.

When you open a bottle of soda, bubbles of carbon dioxide start appearing. Is this a chemical or physical change and why?

Al2 (SO3) 3 what are the number of atoms

How marly electrons are in an atom of elemental sodium?

Petroleum and coal can be mined from the continental shelf. t/f

A solid substance turns into a liquid. Which best describes this change?