Chemistry Rate Equations Quiz
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Questions and Answers

What are slow reactions?

Chemical reactions that complete over a long period of time, ranging from minutes to years.

Define rate of a chemical reaction.

Rate of reaction is the change in the concentration of any one of the reactants or products per unit time.

What are moderately slow reactions?

Chemical reactions that are intermediate between slow and fast reactions.

How is temperature related to reaction rate?

<p>Temperature influences reaction rate, with a 2-3 fold increase in rate observed for every 10°C rise in temperature.</p> Signup and view all the answers

What is the purpose of a thermostat device in studying reaction rates?

<p>To maintain a constant temperature during kinetic studies.</p> Signup and view all the answers

How can a reaction be followed to determine its rate?

<p>By measuring the increase in the concentration of product or decrease in the concentration of reactant.</p> Signup and view all the answers

What is the effect of chilling or freezing a reaction sample?

<p>It arrests the reaction process, allowing for the determination of reaction rate.</p> Signup and view all the answers

What happens to the rate of reaction when temperature rises by 10°C?

<p>The rate of reaction increases by 2-3 times.</p> Signup and view all the answers

How would you describe a first order reaction?

<p>A reaction where the rate is directly proportional to the concentration of a single reactant.</p> Signup and view all the answers

What is the significance of the half-life time in reaction kinetics?

<p>It represents the time taken for the concentration of a reactant to reduce to half of its initial value.</p> Signup and view all the answers

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