You have a stock solution that is 226mg/ml and you need 10ml of a working solution that is 15mg/ml. what is the volume of stock solution will you need to dilute to have 10ml of working solution at the above concentration. state your answer to two decimals.

Which substance absorbs 58.16 kj of energy when 3.11 mol vaporizes? a)ch4 b)h2s c)co2 d)nacl

What happens to isotopes that are unstable?

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.