An unknown solution has a pH of 7. how would you classify this solution?

A. neutral

B. acidic

C. basic

D. not enough information

Which one of the following equations is properly balanced? a. CH 3CHO + 3O 2 → 2CO 2 + 2H 2O b. NH 4NO 3 → 2H 2O + N 2 c. Na 2CO 3 + 2H 2SO 4 → Na 2SO 4 + 2H 2O + CO 2 d. 2Na 2SO 4 + 3Bi (NO 3) 3 → Bi 2 (SO 4) 3 + 9NaNO 3 e.

What is the volume occupied by 51.0 g of ammonia gas (nh3) at stp?

Calculate the [OH-] and the pH of a solution with an [H+=.00083 M at 25 degrees

You place air in a sealed can at standard temperature and pressure (STP). You double its absolute temperature (K) while leaving the volume constant. What happens to the pressure?

What is the molar solubility of CdCO3 in a 0.055 M solution of NH3. Ksp (CdCO3) = 5.2 x 10-12, Kf ([Cd (NH3) 4]2+) = 1.3 x 107 What is the molar solubility of CdCO3 in a 0.055 M solution of NH3. Ksp (CdCO3) = 5.2 x 10-12, Kf ([Cd (NH3) 4]2+) = 1.

3/4 / 100 as a decimal and a percentage?

What is the net ionic equation for AgNO3 (aq) + Na2SO4 (aq)

What does it take to prove a hypothesis false? O A. It is impossible to prove a hypothesis false O B. At least ten examples O C. One counterexample O D. A poorly stated question

We dissolve 5g of sugar, C12H22O11, in water to make 1L solution. What is the concentration of this solution expressed as molarity.

Explain how the molar mass of a gas affects the rate at which the gas diffuses and effuses