Another student is attempting to make a saturated solution of KCl. The student added 30 g of KCl to 100 g of water at 60°C. What more does the student need to do to create a saturated KCl solution at 60°C?

Use examples from the article to explain one positive and one negative effect that chemistry has had on society

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?