An ideal gas at constant temperature and pressure expands and its
An ideal gas at constant temperature and pressure expands and its Options (a) internal energy increases (b) internal energy decreases…
5 years ago
Chemistry
Equal volumes of methanoic acid and sodium hydroxide are mixed, if x is the heat
Equal volumes of methanoic acid and sodium hydroxide are mixed, if x is the heat of formation of water, then…
5 years ago
The neutralisation of a strong acid by a strong base liberates an amount
The neutralisation of a strong acid by a strong base liberates an amount of energy per mole of H⁺ that…
5 years ago
If 900 J/g of heat is exchanged at boiling point of water, then what is increase
If 900 J/g of heat is exchanged at boiling point of water, then what is increase in entropy Options (a)…
5 years ago
The values of heat of formation of SO₂ and SO₃ are -298.2 kJ and -98.2 kJ.
The values of heat of formation of SO₂ and SO₃ are -298.2 kJ and -98.2 kJ. The heat of formation…
5 years ago
The standard heat of formation of carbon disulphide (l) given that the standard
The standard heat of formation of carbon disulphide (l) given that the standard heat of combustion of carbon(s) , sulphur(s)…
5 years ago
For the reaction C(s) + O₂(g)
For the reaction C(s) + O₂(g) Options (a) ΔH = ΔE (b) ΔH < ΔE (c) ΔH > ΔE (d)…
5 years ago
Heat of formation of H₂O(g) at 25⁰C is -243 kJ,ΔE for the reaction
Heat of formation of H₂O(g) at 25⁰C is -243 kJ,ΔE for the reaction H₂(g) + 1/2 O₂(g) → H₂O(g) at…
5 years ago
For an endothermic reaction the value of ΔS is positive.The reaction is
For an endothermic reaction the value of ΔS is positive.The reaction is Options (a) feasible when ΔH > TΔS (b)…
5 years ago
If the value of Cp for nitrogen gas is 7 JK⁻¹mol⁻¹ , then the value
If the value of Cp for nitrogen gas is 7 JK⁻¹mol⁻¹ , then the value of ΔH on heating 28g…
5 years ago