Calculate the PH of a solution containing 0.00052 m mg(oh)2 at 25 °c?

Which term refers to a property that depends only on the amount of a substance? ©@

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

What does the symbol (–hfus) indicate in a phase change?