Which of the following elements is an alkali metal? A. potassium (K) B. calcium (Ca) C. chromium (Cr) D. germanium (Ge)

If 5 moles of Fe2O3 react with excess CO, what is the maximum amount of age and CO2 that can be formed?

A chemical reaction was used to separate a sample into its components. What conclusion about the sample can be formed based on the technique used?

Given [OH-] = 5.5 x 10-10M Find: [H3O+] and pH Is this acidic, basic or neutral?

Which statement is correct? . O The volume of 1 mol of CO2 is greater than that of 2 mol of Oz. The volume of 1 mol of CO2 is greater than that of 1 mol of Nz. The volumes of 2 mol of O2 and 1 mol of N, gases are the same.

What is the chemical formula of sulfur dioxide? A. SO B. SO2 C. SO3 D. S2O

Cyanide was used in the infamous Jonestown Massacre true or false

Can 5 minutes of hard sex be better then 30 minutes of work

If, at a given temperature, the equilibrium constant for the reaction H2 (g) Cl2 (g) 2HCl (g) is Kp, then the equilibrium constant for the reaction HCl (g) (1/2) H2 (g) (1/2) Cl2 (g) can be represented as:

The tank of an air compressor contains gas at normal atmospheric pressure (1atm). If the compressor motor pumps the equivalent of three extra tanks of air into the compressor tank, what will be the final pressure

Which atom has the largest number of neutrons? phosphorus-30 chlorine-37 potassium-39 argon-40 calcium-40?