Why we should avoid adding solids to hot water?​

In an energy pyramid, which level has the most available energy?

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

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