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Exothermic Process 64 Practice Questions with Verified Answers
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Exothermic Process 64 Practice Questions with Verified Answers 1: What is an exothermic process? - correct answer - An exothermic process is a chemical reaction or physical change that releases heat to its surroundings. 2: Give an example of an exothermic reaction. Combustion of methane (...

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  • 6 de septiembre de 2024
  • 15
  • 2024/2025
  • Examen
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  • exothermic process 64 practice questions with veri

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Exothermic Process 64 Practice Questions with
Verified Answers


1: What is an exothermic process? - correct answer -

An exothermic process is a chemical reaction or physical change that releases heat
to its surroundings.




2: Give an example of an exothermic reaction.

Combustion of methane (CH4 + 2O2 ? - correct answer - CO2 + 2H2O + heat) is an
example of an exothermic reaction.




3: How can you identify an exothermic reaction in a laboratory setting? - correct
answer - An exothermic reaction can be identified by the release of heat, often
causing the reaction vessel to become warm or hot to the touch.




4: Is freezing water an exothermic process? - correct answer -

Yes, freezing water is an exothermic process because it releases heat as water
transitions from liquid to solid.




5: What is the opposite of an exothermic process? - correct answer -

, The opposite of an exothermic process is an endothermic process, which absorbs
heat from the surroundings.




6: What happens to the temperature of the surroundings during an exothermic
reaction? - correct answer -

The temperature of the surroundings increases during an exothermic reaction.




7: Describe the energy change in an exothermic reaction.

In an exothermic reaction, the energy of the products is lower than the energy of
the reactants, and the excess energy is released as heat.




8: Why are exothermic reactions important in everyday life? - correct answer -

Exothermic reactions are important in everyday life because they are involved in
processes like combustion for heating and energy production, and metabolic
reactions in living organisms.




9: What is the enthalpy change (? - correct answer -H) for an exothermic reaction?
- correct answer -

The enthalpy change (? - correct answer -H) for an exothermic reaction is negative,
indicating that energy is released.

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