When a chemical reaction takes place, the number of atoms of each element in the reactants

Which is more metallic a) Gold b) Bismuth

The force that is expanding the universe at its present rate is called

In a solution at 25 degrees Celsius the H is 3.5 x 10^-6 M. What is the OH

Consider the reaction below. CO (g) + Cl2 (g) " COCl2 (g) What is the most likely effect to the forward reaction if there is an increase in pressure on this reaction? The reactant surface area increases. The reaction rate decreases.

In aqueous solution, classify these compounds as strong acids, weak acids, strong bases, weak bases, or other. hf hbr

An industrial chemist is studying a sample of an unknown metal. Describe two ways he could change the metal physically and two ways he could change the metal chemically to try to identify it.

Which of the following elements is the most nonreactive? H, fe, Au, O, Ne

Which is most likely why many scientists reject the cold fusion theory? There is too much waste involved in the process. Cold fusion experiments have been conducted at room temperature only.

What is the solubility of m (oh) 2 in a 0.202 m solution of m (no3) 2? ksp 4.45*10^-12?

Describe three physical changes that occur in nature.