WebVerified answer. chemistry. A chemist decomposes samples of several compounds; the masses of their constituent elements are listed. Calculate the empirical formula for each compound. a. 1.245 g Ni, 5.381 g I, b. 2.677 g Ba, 3.115 g Br, c. 2.128 g Be, 7.557 g S, 15.107 g O. Verified answer. chemistry. WebOct 25, 2024 · If for a reaction A → B, Δ H = -10 kJ mol -1 and E α = 50 kJ mol -1, then the energy of activation for reaction B → A will be (a) 40 kJ mol -1 (b) 50 kJ mol -1 (c) -50 kJ mol -1 (d) 60 kJ mol -1 jee jee mains 1 …
Solved the standard free energy change for the …
Web1.2 2 (i) In the contact process: []H = -197 kJ mol-¹ 2SO₂ (g) + O₂ (g)⇒2SO3 (g) Predict the position of equilibrium when: (a) temperature is decreased and (b) pressure is decreased (c) temperature is increased and (d) pressure is decreased (ii) Explain the reasoning for using compromise temperature and pressure in industrial processes ... WebFor the equilibrim, A (g) B (g) , Δ H = - 40 kJ/mol . If the ratio of the activation energies of the forward (Ef) and reverse (Eb) reaction is 23 then: Class 12 >> Chemistry >> Chemical … graphite head gasket review
Le Chȃtelier’s principle: Changing temperature - Khan …
WebMay 7, 2024 · Δ H = Δ E + Δ ( P V) For a reacting ideal gas mixture at constant temperature, Δ ( P V) = ( Δ n) R T where Δ n is the change in the number of moles between reactants and products. Therefore, Δ H = Δ E + ( Δ n) R T For the reaction under consideration, Δ n = − 1 2 Share Improve this answer Follow answered May 9, 2024 at 1:53 Chet Miller WebAug 17, 2024 · The recycling and regeneration of Fe(III) is the key point for promoting the oxidation reaction of ore to produce acidic mine drainage (AMD). Hydroxyapatite (HAP) … WebAug 14, 2024 · We have developed an understanding of the concept of equilibrium, both for phase equilibrium and reaction equilibrium. As an illustration, at normal atmospheric … graphite heater manufacturers