Factors Affecting Chemical Reaction Rate Quiz

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Questions and Answers

How does temperature affect the rate of a chemical reaction?

  • Has no effect on the rate of a chemical reaction
  • Decreases the rate of a chemical reaction
  • Increases the rate of a chemical reaction (correct)
  • Stops the rate of a chemical reaction

What role do catalysts play in the rate of a chemical reaction?

  • Increase the rate of a chemical reaction (correct)
  • Decrease the rate of a chemical reaction
  • Have no effect on the rate of a chemical reaction
  • Stop the rate of a chemical reaction

How does surface area influence the rate of a chemical reaction?

  • Stops the rate of a chemical reaction
  • Decreases the rate of a chemical reaction
  • Increases the rate of a chemical reaction (correct)
  • Has no effect on the rate of a chemical reaction

What effect does concentration have on the rate of a chemical reaction?

<p>Increases the rate of a chemical reaction (A)</p> Signup and view all the answers

How does pressure influence the rate of a chemical reaction?

<p>Increases the rate of a chemical reaction (D)</p> Signup and view all the answers

What is the effect of decreasing temperature on the rate of a chemical reaction?

<p>Decreases the rate of a chemical reaction (A)</p> Signup and view all the answers

Which factor is not related to the rate of a chemical reaction?

<p>Volume (B)</p> Signup and view all the answers

What can increase the rate of a chemical reaction?

<p>Adding a catalyst (D)</p> Signup and view all the answers

In general, how does an increase in temperature affect the rate of a chemical reaction?

<p>Increases the rate (D)</p> Signup and view all the answers

What effect does decreasing surface area have on the rate of a chemical reaction?

<p>Decreases the rate (A)</p> Signup and view all the answers

How do catalysts influence the rate of a chemical reaction?

<p>They decrease the activation energy (C)</p> Signup and view all the answers

What happens to the rate of a chemical reaction when concentration of reactants is increased?

<p>Increases (C)</p> Signup and view all the answers

Why does increasing pressure generally increase the rate of a chemical reaction?

<p>It increases the concentration of reactants (A)</p> Signup and view all the answers

What impact does decreasing temperature have on the rate of a chemical reaction?

<p>Decreases the rate (C)</p> Signup and view all the answers

Which factor can alter the frequency and effectiveness of collisions between reactant particles?

<p>Temperature (D)</p> Signup and view all the answers

What is the role of surface area in relation to the rate of a chemical reaction?

<p>It influences collision frequency (A)</p> Signup and view all the answers

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Study Notes

The Role of Temperature, Concentration, Catalysts, Surface area, and Pressure in the rate of a chemical reaction

Temperature

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