What is activation energy? a. energy needed by the body to stay active b. energy needed to break chemical bonds c. energy provided by carbohydrate foods d. energy provided by fat foods

What does x represent in the formula for the compound xcl4?

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

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