Chemistry Question Bank

The heat of formation of Fe O s is –824.2 kJ mol–1. ∆H for the reaction. 2Fe O s 4Fe s 3O g → is:

The volume of gas is reduced to half from its original volume. The specific heat will____.

Which of the following is a state variable?

Which of the following is a path function?

Which of the following is not an intensive property?

Which of the following is not a state function?

Consider the following liquid-vapour equilibrium. Liquid ⇌ Vapour Which of the following relations is correct? (NEET-I 2016) (a) v H dln P dT T (b) v H d ln P dT RT (c) v H dln G dT RT (d) v H d ln P dT RT

Which of the following can be used to define the state of a system?

Which of the following is a state function and also an extensive property?

105. (∆U – ∆H) for the formation of NH₃ from N₂ and H₂ is :

For the reaction, X2O₄(l) → 2XO₂(g) ∆U = 2.1 kcal, ∆S = 20 cal K–1 at 300 K Hence, ∆G is (2014)

For the gas phase reaction, PCl g PCl g Cl g Which of the following conditions are correct?

Which of the following is intensive property?

Tea placed in thermos flask is an example of

Which is included in thermodynamic equilibrium from the following?

The work done during the expansion of a gas from a volume of 4 dm3 to 6 dm3 against a constant external pressure of 3 atm is (1 L atm = 101.32J) (2004)

Thermodynamics is not concerned about____.

The state of a thermodynamic system is represented by

The statement “The change of enthalpy of a chemical reaction is same whether the reaction takes place in one or several steps” is

In an adiabatic expansion of ideal gas

Which of the following processes is a non-spontaneous process?

Entropy is a measure of

G H when S

The respective examples of extensive and intensive properties are

Which of the following is an example of open system?