Chemical Kinetics Basics

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Questions and Answers

What is the main focus of chemical kinetics?

  • Determining the direction in which a reaction occurs
  • Constructing mathematical models for reactions
  • Studying the mechanism and transition states of reactions
  • Understanding the rates of chemical reactions (correct)

Who was the German chemist known for pioneering work in chemical kinetics in 1850?

  • Ludwig Wilhelmy (correct)
  • Peter Waage
  • Wilhelm Ostwald
  • Cato Guldberg

What did Peter Waage and Cato Guldberg publish in 1864 related to chemical kinetics?

  • The discovery of osmotic pressure in solutions
  • The laws of chemical dynamics
  • The law of mass action (correct)
  • The determination of reaction kinetics using integrated rate law

For what did Van 't Hoff receive the first Nobel Prize in Chemistry in 1901?

<p>Discovery of the laws of chemical dynamics (C)</p> Signup and view all the answers

What did Wilhelm Ostwald notice 34 years after Ludwig Wilhelmy's work?

<p>The pioneering work on chemical kinetics done by Ludwig Wilhelmy (D)</p> Signup and view all the answers

Which branch of physical chemistry is concerned with understanding the rates of chemical reactions?

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

Who experimentally studied the rate of inversion of sucrose and used integrated rate law for the determination of the reaction kinetics of this reaction?

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

Which law states that the speed of a chemical reaction is proportional to the quantity of the reacting substances?

<p>Law of mass action (B)</p> Signup and view all the answers

Who published the famous "Études de dynamique chimique" in 1884 and studied chemical dynamics?

<p>Van 't Hoff (C)</p> Signup and view all the answers

For what discovery was Van 't Hoff awarded the first Nobel Prize in Chemistry in 1901?

<p>Laws of chemical dynamics and osmotic pressure in solutions (C)</p> Signup and view all the answers

What does the Nernst equation allow the calculation of?

<p>Reduction potential of a reaction (D)</p> Signup and view all the answers

Which chemical form does the reaction quotient (Qr) compare in the Nernst equation?

<p>Reduced form and oxidized form (B)</p> Signup and view all the answers

What is the chemical activity of a dissolved species in the Nernst equation determined by?

<p>Product of its activity coefficient and molar concentration (A)</p> Signup and view all the answers

What does the Nernst equation take into account when calculating the reduction potential?

<p>Electrical interactions between ions in solution (B)</p> Signup and view all the answers

Who is the Nernst equation named after?

<p>Walther Nernst (A)</p> Signup and view all the answers

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