Thermochemistry Quiz: Mastering Heat in Chemistry

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  • 1/15 Questions

    The principle that states energy cannot be created or destroyed, only transferred or converted from one form to another, is known as:

    • Law of Conservation of Mass
    • Law of Conservation of Energy
    • Law of Multiple Proportions
    • Law of Definite Proportions
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About This Quiz

Embark on a journey through the realm of heat and energy transformations with our "Thermochemistry Quiz: Mastering Heat in Chemistry." This quiz is designed to challenge and deepen your understanding of the principles governing heat, enthalpy, and chemical reactions. Delve into the intricacies of calorimetry, decipher the signs of endothermic and exothermic processes, and master the calculations that quantify energy changes in chemical reactions.

Whether you're a chemistry enthusiast or a student aiming to ace your exams, this quiz offers a comprehensive exploration of thermochemistry. From the basics of heat transfer to the complexities of enthalpy changes, each question is crafted to elevate your knowledge and test your problem-solving skills.

Take the "Thermochemistry Quiz: Mastering Heat in Chemistry" and emerge not only with a stronger grasp of thermochemical concepts but also with the confidence to navigate the energetic landscapes of chemical reactions. Challenge yourself, enhance your understanding, and become a wizard in the fascinating world of thermochemistry.

Thermochemistry Quiz: Mastering Heat In Chemistry - Quiz

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  • 2. 

    Which of the following statements is true about exothermic reactions?

    • They release heat to the surroundings.

    • They absorb heat from the surroundings.

    • They have a positive change in enthalpy.

    • They involve only solids and liquids.

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  • 3. 

    Which of the following devices is commonly used to measure heat exchanged in a chemical reaction?

    • Spectrometer

    • Bunsen burner

    • Calorimeter

    • Microscope

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  • 4. 

    The quantity of heat required to raise the temperature of a substance by 1 degree Celsius is called:

    • Specific heat capacity

    • Enthalpy

    • Thermal conductivity

    • Heat of fusion

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  • 5. 

    Which technique can the enthalpy change for a reaction be determined experimentally?

    • Titration

    • Distillation

    • Calorimetry

    • Chromatography

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  • 6. 

    At constant pressure, the heat absorbed or released in a reaction is equal to the change in:

    • Enthalpy

    • Entropy

    • Gibbs free energy

    • Activation energy

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  • 7. 

    In calorimetry, what is the formula used to calculate heat transfer?

    • Q = mcΔT

    • E = mc^2

    • H = MCΔT

    • Q = msΔT

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  • 8. 

    During an exothermic reaction, the surroundings

    • Gain energy

    • Lose energy

    • Remain unchanged

    • Absorb energy

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  • 9. 

    Which of the following is an example of an open system in thermodynamics?

    • Sealed glass jar

    • Closed can

    • Human body

    • Balloon filled with air

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  • 10. 

    What is the SI unit of heat?

    • Joule

    • Kelvin

    • Celsius

    • Gram

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  • 11. 

    Which of the following is a measure of the disorder or randomness of a system?

    • Entropy

    • Enthalpy

    • Gibbs free energy

    • Activation energy

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  • 12. 

    Which of the following substances has the highest specific heat capacity?

    • Water

    • Aluminum

    • Iron

    • Gold

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  • 13. 

    Which of the following is NOT an example of an energy transformation?

    • Burning of gasoline in a car engine

    • Photosynthesis in plants

    • Melting of ice into water

    • Boiling water into steam

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  • 14. 

    What is the heat evolved or absorbed during a chemical reaction under constant pressure conditions called?

    • Heat of reaction

    • Heat of fusion

    • Heat of vaporization

    • Heat capacity

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  • 15. 

    Which of the following is an endothermic process?

    • Condensation of water vapor

    • Sublimation of dry ice

    • Combustion of paper

    • Freezing of water

    Rate this question:

Quiz Review Timeline (Updated): Nov 28, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Nov 28, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 24, 2023
    Quiz Created by
    Surajit Dey
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