JEE Main Chemistry: Thermodynamics Practice Questions

14 questions with answers and step-by-step solutions. Tap any question to see the full worked solution.

  1. Q1.
    The first law of thermodynamics for a closed system is expressed as:
    Easy
  2. Q2.
    Which of the following is a state function?
    Easy
  3. Q3.
    Which of the following is an extensive property of a thermodynamic system?
    Easy
  4. Q4.
    For an adiabatic process, which of the following conditions is always true?
    Easy
  5. Q5.
    For a reaction to be spontaneous at constant temperature and pressure, the change in Gibbs free energy must be:
    Easy
  6. Q6.
    The entropy change for the transition of liquid water to steam at 100 degrees Celsius is 109 J per Kelvin per mole. Calculate the enthalpy of vaporization of wa
    Medium
  7. Q7.
    The standard enthalpy of formation of carbon dioxide is -393.5 kJ per mole. Calculate the heat released when 88 grams of carbon dioxide is formed from carbon an
    Medium
  8. Q8.
    For the reaction 2A + B goes to 2C, the change in internal energy is -10.5 kJ at 300 K. Calculate the change in enthalpy for the reaction.
    Medium
  9. Q9.
    For a reaction at 298 K, the enthalpy change is -20 kJ per mole and the entropy change is -50 J per Kelvin per mole. Calculate the Gibbs free energy change and
    Medium
  10. Q10.
    Calculate the work done during the isothermal reversible expansion of 2 moles of an ideal gas from 10 L to 20 L at 300 K.
    Medium
  11. Q11.
    For the reaction N2 + 3H2 goes to 2NH3, the relationship between enthalpy change and internal energy change at temperature T is:
    Hard
  12. Q12.
    For a reversible adiabatic expansion of 1 mole of an ideal gas with heat capacity ratio gamma, the change in entropy of the system is:
    Hard
  13. Q13.
    Calculate the standard Gibbs free energy change for the reaction 2A + B goes to 3Cat 298 K, given the equilibrium constant K is 10 to the power of 4.
    Hard
  14. Q14.
    The enthalpy of combustion of carbon to carbon dioxide is -393.5 kJ/mol. Calculate the heat released upon forming 35.2 grams of carbon dioxide from carbon and o
    Hard

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Thermodynamics — JEE Main Chemistry Practice Questions with Solutions | SolveGini