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Enthalpy Changes and Heat Measurements Quiz
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Enthalpy Changes and Heat Measurements Quiz

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@JollyGreen

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Questions and Answers

What is the relationship between enthalpy changes and temperature changes?

  • $ riangle H = VdC_p riangle T$
  • $ riangle H = mC_p riangle T$ (correct)
  • $ riangle H = rac{VdC_p}{ riangle T}$
  • $ riangle H = rac{mC_p}{ riangle T}$
  • Why are metallic calorimeters not used for measuring thermochemical changes?

  • Metals are not readily available
  • Metals may react with substances (correct)
  • Metals have low thermal conductivity
  • Metals are expensive
  • What is the purpose of determining the calorimeter constant?

  • To calculate the volume of the solution
  • To determine the density of the solution
  • To measure the heat capacity of the solution
  • To account for heat absorbed by the calorimeter, thermometer, and stirrer during heat changes measurement (correct)
  • What method is used to determine the calorimeter constant?

    <p>Method of mixtures</p> Signup and view all the answers

    In the equation $ riangle H = VdC_p riangle T$, what does 'V' represent?

    <p>Volume of the solution</p> Signup and view all the answers

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