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CP Chemistry Final

Final Review Chapters 16-19

QuestionAnswer
Why does a higher concentration make a reaction go faster? There are more collisions per second.
Why does a catalyst cause a chemical reaction to proceed faster? The catalyst lowers the activation energy needed to begin a chemical reaction.
At equilibrium, what is the rate of production of reactants compated to the rate of production of products? The same
What is the effect of decreasing the volume of a reaction that contains gases? The reaction will shift to the side with more moles.
In an endothermic reaction at equilibrium, what is the effect of raising the temperature? The reactant makes more products.
What is the effect of equilibrium when more reactants are added? The reaction will make more products.
When a strong acid reacts with a strong base, what compounds are formed? a salt and water
Name properties of acids. taste sour, pH below 7, reacts with metals and carbonates
Name properties of bases. taste bitter, pH above 7, does not react with metals and carbonates
What is an acid according to Arrhenius? a substance that is a hydrogen ion donator
What is an an acid according to Bronsted-Lowery? a substance that donates a protons
What do you call a substance that changes color in the presence of acids or bases? indicators
What is pH? the negative logarithm of the hydrogen ion concentration
What type of solution has a pH of 8? basic
Name the process of adding a known amount of solution of known concentration to determine the concentration of an unknown solution. titration
Created by: ssuriano