You have two solutions, both with a concentration of 0.1M. Solution A contains a weak acid with a pKa of 5. The pH of solution A is 3. Solution B contains a weak acid with a pKa of 9. The pH of solution B is:

What is the relationship of air masses and the temperature of oceans?

Describe the interaction that occurs between two objects with the same electrical charge.

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