Calculate the hydrogen ion concentration for solutions with the following pH values: a. 15.00 b. 6.96 c. 11.21 d. 2.42​

What are the similarities of physical and chemical change ?

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

Which substance—wood or silver—is the better thermal conductor? a thermal conductor is a material that requires very little heat energy to change its temperature. explain your answer.