The enthalpies of formation of Al₂O₃ and Cr₂O₃ are -1596 kJ and -1134 kJ, respectively. ΔH for the reaction 2AI + Cr₂O₃ ⟶ 2Cr + Al₂O₃ is _______________

Which of the following is not a thermodynamic function ?

The value of ΔH for cooling 2 moles of an ideal monatomic gas from 125° C to 25° C at constant pressure will be [given C_p = \(\frac{5}{2}\)R] ____________.

Given that C_(g)+ O_2(g) ⟶ CO_2(g)ΔH^o =-akJ; 2CO_(g)+O_2(g) ⟶ 2CO_2(g)ΔH^o = -bkJ; Calculate the AHo for the reaction C_(g)+ 1/2O_2(g) ⟶ CO_(g)  ______________

When 15.68 litres of a gas mixture of methane and propane are fully combusted at 0° C and 1 atmosphere, 32 litres of oxygen at the same temperature and pressure are consumed. The amount of heat of released from this combustion in KJ is _____________ (ΔH_c (CH₄) = - 890 KJ mol^-1 and ΔH_c (C₃H₈ = - 2220 KJ mol^-1)

The temperature of the system, decreases in an _____________

In an isothermal reversible compression of an ideal gas the sign of q, ΔS and w are respectively _______________

A fundamental goal of thermodynamics is the prediction of __________ of the process.

A portion of matter under consideration, which is separated from rest of universe by real or imaginary boundaries is called_____________

Mathematically, the third law of thermodynamics is expressed as _______

Give examples for extensive and intensive properties.

Define molar heat capacity at constant volume and molar heat capacity at constant pressure.

Explain why C_p is always greater than C_v?

Give expressions for the entropy change a-phase change.

Two litres of an ideal gas at a pressure of 10 atm expands isothermally into vacuum until its total volume is 10 litres. How much heat is absorbed and how much work is done in the expansion.

What is the aim of the study of chemical thermodynamics?

Define the relationship C_p - C_v = nR for an ideal gas.

Show that \(\Delta\)U = nC_v (T₂ - T₁) and \(\Delta\)H = nC_p(T₂ - T₁).

Derive an expression for the efficiency of a heat engine.

1g of graphite is burnt in a bomb calorimeter in excess of oxygen at 298K and 1 atm pressure according to the equation.
C(graphite) + O2_(g)  \(\rightarrow\) CO₂(g)
During the reaction, temperature rises. from 298K to 299K. If the heat capacity of the bomb calorimeter is 20.7 kJ mol^-1. What is the enthalpy change for the above reaction at 298K and 1 atm?

Enthalpies of formation of CO(g),CO₂(g), N₂O(g) and N₂O₄(g) are -110, -393, + 81 and + 9.7 kJ mol respectively. Find the value of \(\Delta\)H for the reaction. N₂O₄(g) + 3CO(g) \(\rightarrow\) N₂O(g) + 3CO₂(g).

Given N₂(g) + 3H₂(g) \(\rightarrow\) 2NH₃(g); \(\Delta \)H°=-92.4 kJ mol^-1. What is the standard enthalpy of formation of NH₃(g)?

Calculate ΔG⁰ for the reaction. CO(g)+ \(\\ \frac { 1 }{ 2 } \)O₂(g) ⟶ CO₂(g), ΔH⁰ = - 282.84 kJ Given, S⁰(C0₂) =213.8Jk^-1 mol^-1, S^o (CO) = 197.9 Jk^-1 mol^-1 S⁰(O₂) = 205.0 Jk^-1 mol^-1