You run an experiment in which two substances chemically react in a closed system. You run the same experiment in an open system. How would the masses of the products in each experiment compare? Explain.

Gettysburg address question. what is the purpose of this address?

Peggy feels sorry for smokers who have lung cancer because she believes they were duped by tobacco companies to develop a deadly addiction and are therefore not responsible for their disease. when asked to donate money to support lung cancer research, peggy gives generously. peggy’s prosocial behavior can best be explained by the arousal: cost-reward model. the negative state relief model. a norm of equity. attributions of responsibility.

Linda, mike, and carol all call their group leader by her first name, juanita. a fifth group member, leslie, calls her ʺms. garcia.ʺ leslie has not accepted: