To make a 3.50 M solution, how many moles of solute will be needed if 11 liters of solution are required?

Match the numbers of atoms in a molecule to its possible shape A.) Tetrahedral 3 B.) linear 5 C.) trigonal planar 4

How much energy would be absorbed or released by the h2o in the process 30 grams h2o ( g. at 100◦c → 30 grams h2o (ℓ) at 20◦c?

How many significant figures are in the number 0.00230? O 6

the characteristic ions present in water solutions of acids are A) oxide ions B) chloride ions C) hydronium ions D) nitride ions

Which best describes the molecules of an ideal gas

Calculate the [h+] in a solution that has a ph of 9.88.

Substance M is a blue, brittle solid. Substance N is a colorless, flammable gas. What can we predict about the compound created when M and N form a covalent bond?

A 275-mL f lask contains pure helium at a pressure of 752 torr. A second f lask with a volume of 475 mL contains pure argon at a pressure of 722 torr.

The temperature of 6.24 l of a gas is increased from 25.0°c to 55.0°c at constant pressure. the new volume of the gas is

Which of the following statements regarding pH is true? Which of the following statements regarding pH is true? A pH of 10 is acidic, and a pH of 3 is alkaline. Buffers accelerate large changes in the pH of a solution.