How much water must be added to 40.0 g of CaCl2 to produce a solution that is 35.0 wt% CaCl2?

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules