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.
    Which of the following is an extensive property of a thermodynamic system?
    Easy
  2. Q2.
    The first law of thermodynamics for a closed system is expressed as:
    Easy
  3. Q3.
    Which of the following is a state function?
    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 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
  7. Q7.
    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
  8. Q8.
    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
  9. Q9.
    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
  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.
    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
  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.
    For the reaction N2 + 3H2 goes to 2NH3, the relationship between enthalpy change and internal energy change at temperature T is:
    Hard

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Thermodynamics — JEE Main Chemistry Practice Questions with Solutions | SolveGini