Does the value of Kc increase, decrease, or remain the same when the temperature is decreased? Justify your answer based on the expression for Kc and the concentrations of the product and reactants.

How has the scientific community addressed the safety of chemicals? a. chemicals are repeatedly tested, even those that have existed for a long time. b. existing chemicals are tested if they have never been tested before. c. chemicals are tested if they are suspected to have caused a problem. d. only new chemicals are tested.

The grooves or folds of the brain are called

What factor besides temperature affects the boiling point of water? a. mass b. number of moles c. volume d. pressure