Which of the following involves a chemical change? A. Combining baking soda and vinegar.
B. Combining salt and water.
C. Sweetening iced tea.
D. Tossing a salad.

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

•hydration •dissociation •dissolving which one goes to which

What is the relationship between particles in matter