Chemistry

In an exothermic reaction

In an exothermic reaction Options (a) enthalpy of reactants is equal to that of the products (b) enthalpy of reactants…

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)…

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…

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)…

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…

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…

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…

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…

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…

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)…