Which of the following will cause the rate of a chemical reaction to speed up?
A) raising the temperature
B) increasing the concentration of reactants
C) adding a catalyst
D) All of these will speed up the rate of a reaction.
Correct Answer:
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Q2: The decomposition of 2 mol of water
Q3: Burning one mole of propane according to
Q4: The SI unit of energy is the
A)joule.
B)calorie.
C)gram.
D)watt.
Q5: How many joules of energy will a
Q6: A watt is
A)1 s/joule.
B)1 cal/s.
C)1 joule/s.
D)1 s/cal.
Q7: Which of the following situations would be
Q8: All of the following examples are classified
Q9: Which of the following is an endothermic
Q10: The thin film of air,water,and soil in
Q11: The statement "you can't get something for
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