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For some of these questions, you need data from the appendices of Inorganic Chemistry, third edition by C.E. Housecroft and A.G. Sharpe. On opening the book cover you will find a periodic table and a list of elements and atomic masses. Physical constants are listed on the back inside cover of the book. Multiple choice questions by Catherine E. Housecroft. This activity contains 20 questions.If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
Which of the following best describes catalyst?A catalyst is a substance which increases or decreases the rate of a reaction without being consumed in the reaction.
Which of the following best describes the rate of catalytic reaction?Answer and Explanation: The correct answer is (d) The reaction is completed in a shorter amount of time. A catalyst is a substance that increases the rate of a chemical reaction.
What is the definition of a catalyst quizlet?Catalyst. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
Which of the following is a catalyst?catalyst, in chemistry, any substance that increases the rate of a reaction without itself being consumed. Enzymes are naturally occurring catalysts responsible for many essential biochemical reactions.
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