Under which circumnstances is it appropriate to apply the pre-equilibrium approximation

Q: Ethene reacts with steam in the presence of an acid catalyst to form ethanol. CH2=CH2(g) + H20(g) =…

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Q: In the reaction PC l3(g) +C l2(g) ⇋PC l5(g) the Keq value at 300 K is 14.15. Initially, 0.81 mol…

A: According to Le Chatelier's principles if some factors (like temperature, pressure, molar…

Q: For a reaction A goes to B, DG is +7.67 kcal mol–1. At 298 K, what percentage of B will be present…

A: The reaction taking place can be written as  A -----> B Given : ΔG = 7.67 Kcal/mol

Q: A mixture of 0.06906 mol of CH4, 0.01224 mol of H2S, 0.08482 mol of CS2, and 0.01029 mol of H2 is…

A: Given that : Initial moles of CH4=0.06906 molInitial moles of H2S=0.01224 molInitial moles of…

Q: Into a sealed 1.50 L flask, chemist placed 3.00 × 10 ² mol of phosgene gas (COCI:) and heated it to…

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Q: H2O, 0.02864 mol of CH4, 0.07516 mol of CO, and 0.01990 mol of H2 is placed in a 1.0-L steel…

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Q: represent three systems at equilibrium, all in the same-size containers. (a) Without doing any…

A: (a)  At equilibrium, if the formed product is more relative to the reactant, then the equilibrium…

Q: Define the term law of mass action and show how it relates to the equilibrium-constant (Kc).

A: What is law of mass action and how it relate to Kc ?

Q: Consider the equilibrium system described by the chemical reaction below, which has a value of Kc…

A: Given,  Kc = 4.1 x 10^-4200

Q: with specific examples discuss: a) industrial application of equilibrium reaction b) environmental…

A: ( a ) The main application of Chemical Equilibria in industrial process is to maximise the desired…

Q: Why do we normally exclude pure solids and liquids from equilibrium constant expression

A: we have to explain why pure solids and liquids are not included in the equilibrium constant…

Q: Consider the equilibrium system described be the chemical reaction below, which has a value of Kc…

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Q: Can you explain me how to do the fundamental application of Beer’s Law plot in determining the…

A: Beer–Lambert law       A = εlc Where,     A = absorbance     ε = molar extinction coefficient     l…

Q: The equilibrium constant, Kc, for the following reaction is 55.6 at 698 K. H₂(g) + I2(g) → 2HI(g)…

A: Answer:For any reaction, value of equilibrium constant is equal to the ratio of molar concentration…

Q: A mixture of 0.06529 mol of CH4, 0.04045 mol of H2S, 0.06585 mol of CS2, and 0.03325 mol of H2 is…

A: Given, reaction : CH4(g) + 2 H2S(g) →  CS2(g) + 4 H2(g)  CH4 = 0.06529 mol,  H2S = 0.04045 mol, CS2…

Q: 21. When the system is not at equilibrium, the reaction quotient Q for any reaction (A) will…

A: Answer: At any stage of the reaction, value of reaction quotient is equal to the ratio of molar…

Q: Crven NHY SH (s) = NH3(g) + H₂S (g) which at the following options will cause the carilibrium at the…

A: Effect of concentration: The addition of reactant or removal of product will shift the equilibrium…