Henry and Tiffany are performing chemical reactions in their high school chemistry class. Henry performs his reactions with the use of a catalyst. Tiffany performs the same reaction with no catalyst present. Will Henry's catalyst be used up after it catalyzes some reactions, yes or no?
Ans: no

Marcus is working with a sealed container of oxygen. He is trying see how temperature effects its deviations from ideality. He slowly increases the temperature of the oxygen and continues to measures its deviations. Will increasing the pressure cause the expected volume be more or less?
Ans: less

Hank and Brian both grew up in the 1950s. They enjoyed playing with toys, but they each had a personal favorite. Hank's favorite toy as a child was his wooden baseball bat. Brian's favorite toy was a metal model car set that came with paint a child could use to paint the car however they wanted. They both have very fond memories of their childhood and Hank still has the baseball bat and his grandchildren now use it when they visit him. Which child was more likely exposed to dangerous amounts of lead?
Ans: Brian

Jim had a small veggie garden that he planted every year. His brother Rob had a similar patch, and he was also a gardener. The plants in Jim's garden started wilting at some point and he found out that his soil had high salinity and some harmful bacteria that wiled the plants indirectly. Rob's plant were ok, because he adjusted the soil's ph with sweet lime. Which garden had fewer plants wilting?
Ans: Rob's