What is the effect of increasing temperature on the cell potential of an electro

Practice Questions

Q1
What is the effect of increasing temperature on the cell potential of an electrochemical cell?
  1. Increases cell potential
  2. Decreases cell potential
  3. No effect
  4. Depends on the reaction

Questions & Step-by-Step Solutions

What is the effect of increasing temperature on the cell potential of an electrochemical cell?
  • Step 1: Understand that an electrochemical cell generates electricity through chemical reactions.
  • Step 2: Know that the cell potential is the voltage produced by these reactions.
  • Step 3: Recognize that temperature can affect how fast and how well these reactions occur.
  • Step 4: Learn about enthalpy, which is the heat content of the reaction, and entropy, which is the measure of disorder in the system.
  • Step 5: Realize that if a reaction absorbs heat (endothermic), increasing temperature can increase cell potential.
  • Step 6: Conversely, if a reaction releases heat (exothermic), increasing temperature can decrease cell potential.
  • Step 7: Conclude that the overall effect of temperature on cell potential depends on the specific reaction's enthalpy and entropy changes.
No concepts available.
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