Chemical Engineering Thermodynamics (MCQs)

The amount of heat required to decompose a compound into its elements is __________ the heat of formation of that compound from its elements.

  • A. Less than
  • B. More than
  • C. Same as
  • D. Not related to
Answer: Option C.
Explanation: 
Lavoisier and laplace law : the law states that the quantity of heat which must be supplied to decompose a compound in to its elemental form is equal to the amount of heat evolved during the formation compound from its element assuming no losses involved during both process.

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