One mole of a gas absorbs 300 J of heat at constant volume and its temperature
One mole of a gas absorbs 300 J of heat at constant volume and its temperature is raised from 30…
5 years ago
Thermodynamics
Two moles of an ideal gas expand spontaneously into a vacuum. The work done is
Two moles of an ideal gas expand spontaneously into a vacuum. The work done is Options (a) 2 joules (b)…
5 years ago
Which of the following equations describe the first law of thermodynamics
Which of the following equations describe the first law of thermodynamics Options (a) ΔE = q + w (b) q…
5 years ago
The entropy change in the conversion of a solid into its different states
The entropy change in the conversion of a solid into its different states can be obtained by using Options (a)…
5 years ago
In an exothermic reaction
In an exothermic reaction Options (a) enthalpy of reactants is equal to that of the products (b) enthalpy of reactants…
5 years ago
At 0K, (i) ¹²C and (ii) a mixture of ¹²C and ¹⁴C will
At 0K, (i) ¹²C and (ii) a mixture of ¹²C and ¹⁴C will Options (a) both have zero entropy (b)…
5 years ago
For the reaction 2SO₃(g) → 2SO₂(g) + O₂(g) the entropy change (ΔG) is
For the reaction 2SO₃(g) → 2SO₂(g) + O₂(g) the entropy change (ΔG) is Options (a) ΔS > 0 (b) ΔS…
5 years ago
In which of the following conditions a chemical reaction can not occur
In which of the following conditions a chemical reaction can not occur Options (a) ΔH and ΔS increase and TΔS…
5 years ago
If the melting point of ice is 0⁰C and latent heat of fusion is 5.46 kJ mol⁻¹,
If the melting point of ice is 0⁰C and latent heat of fusion is 5.46 kJ mol⁻¹, the entropy change…
5 years ago
The internal energy of a system is the sum of
The internal energy of a system is the sum of Options (a) vibrational energy and electronic energy (b) vibrational energy…
5 years ago