Which of the following is the most abundant gas in the atmosphere?

How many moles of HCl are present in 75.0 mL of a 0.600 M solution?

A 524 mL sample of gas is initially at a pressure of 765 mmHg and a temperature of 305K. If this gas is compressed to a volume of 424 mL and the temperature increases to 335 K, what is the new pressure in mmHg?

A 250. mL sample of gas at 1.00 atm and 293 K has the temperature increased to 313 K and the volume increased to 500. mL. What is the new pressure?

Which of the following cannot act as a Brønsted base?

The classification of an acid or a base as weak or strong is determined by

What is the pH of a 7.8 x 10-7 M solution of NaOH?

The tire pressure in a standard car tire is 42 psi, what is this pressure in atm?

The tire pressure in a standard car tire is 42 psi, what is this pressure in atm?

If the concentration of H3O+ is 3.5 × 10-3 M, the concentration of OH- is _____ M.