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In thermodynamics, what does the term 'enthalpy' (H) represent? (2020)

Practice Questions

Q1
In thermodynamics, what does the term 'enthalpy' (H) represent? (2020)
  1. Total energy of the system
  2. Energy required to break bonds
  3. Heat content of the system at constant pressure
  4. Work done by the system

Questions & Step-by-Step Solutions

In thermodynamics, what does the term 'enthalpy' (H) represent? (2020)
  • Step 1: Understand that enthalpy is a term used in thermodynamics, which is the study of heat and energy.
  • Step 2: Know that enthalpy is represented by the letter 'H'.
  • Step 3: Realize that enthalpy measures the total heat content of a system.
  • Step 4: Remember that enthalpy is specifically measured at constant pressure.
  • Step 5: Learn the formula for enthalpy: H = U + PV, where 'U' is the internal energy, 'P' is the pressure, and 'V' is the volume of the system.
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