Which of the following is a heat of formation reaction?

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

What are the 4 phases of matter in order of increasing engery content?

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