TS EAMCET Practice Quiz

Question 1

For a spontaneous process occurring at constant temperature and pressure, which thermodynamic quantity must decrease for the system?

Accepted Answer

Gibbs free energy, G

Question 2

For the reaction N2(g) + 3H2(g) ⇌ 2NH3(g), if the equilibrium constant Kc = 0.50 at a certain temperature, what is the value of Kc for the reverse reaction at the same temperature?

Accepted Answer

2.0

Question 3

For the reaction 2A(g) ⇌ B(g), Kp = 0.50 at a certain temperature. What is Kc if R = 0.0821 L atm mol^-1 K^-1 and T = 300 K?

Accepted Answer

12.3

Question 4

One mole of an ideal gas expands reversibly and isothermally at 300 K from 10 L to 20 L. What is the work done by the gas? (Use R = 8.314 J mol^-1 K^-1, ln 2 = 0.693)

Accepted Answer

+1728 J

Question 5

For the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), if the concentration of O2 is doubled while keeping temperature constant and the system is not yet at equilibrium, the reaction quotient Qc becomes

Accepted Answer

halved

TS EAMCET Group Discussion

Students preparing for TS EAMCET

TS EAMCET — Group Discussion