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What is the effect of adding a small amount of nickel to a titanium alloy on the strength and corrosion resistance of the alloy, and how does this influence its suitability for aerospace applications?

asked Jan 30 in Materials Chemistry by AdaFennescey (1.8k points)

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1 answer 83 views

What is the effect of adding a methyl group to a benzene ring on its electronic transport properties, as predicted by density functional theory calculations, and how does this relate to its potential use in organic electronic devices?

asked Jan 30 in Computational Chemistry by BlondellHock (1.9k points)

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1 answer 81 views

How does adding a known concentration of a specific reaction intermediate affect the rate of a chemical reaction, and what is the mechanism behind this observed effect?

asked Jan 30 in Chemical kinetics by AntonioDaven (1.7k points)

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1 answer 85 views

What is the effect of adding a catalyst, specifically platinum, on the equilibrium position of the redox reaction between iodine and thiosulfate? Calculate the new equilibrium constant and explain the observed changes in the reaction rate and yield.

asked Jan 30 in Chemical equilibrium by MervinSchroe (2.0k points)

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1 answer 75 views

What is the effect of adding a catalyst on the equilibrium position of a redox reaction in which the products have a higher number of moles than the reactants? Provide a numerical example to support your answer.

asked Jan 30 in Chemical equilibrium by VerleneSchut (1.7k points)

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1 answer 64 views

What is the effect of adding a catalyst on the equilibrium position of a redox reaction between potassium permanganate and oxalic acid? Provide a detailed explanation and calculations to support your answer.

asked Jan 30 in Chemical equilibrium by PDQJenifer7 (2.0k points)

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1 answer 83 views

What is the effect of adding a catalyst on the equilibrium position of a redox reaction between iron and copper ions in a solution at room temperature, and how would the equilibrium constant be affected by the addition of the catalyst?

asked Jan 30 in Chemical equilibrium by AnitraSchard (2.1k points)

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1 answer 72 views

What is the effect of adding a catalyst on the equilibrium position of a reaction system, given the initial concentrations and temperature of the reactants and products? Use the equilibrium constant expression and Le Chatelier's principle to explain your answer. Provide an example of a reaction where a catalyst can be used to shift the equilibrium position.

asked Jan 30 in Chemical equilibrium by GarnetFjo447 (1.8k points)

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1 answer 93 views

How much would the equilibrium constant (Kc) change if a catalyst is added to the reaction system, given the initial concentration of reactants and products? Specifically, consider the equilibrium reaction: N2(g) + 3H2(g) ⇌ 2NH3(g)with an initial concentration of N2 = 0.10 M, H2 = 0.20 M, and NH3 = 0.25 M. The activation energy of the reaction is 150 kJ/mol and the catalyst lowers it by 50 kJ/mol. Calculate the change in Kc for this reaction when the catalyst is added to the system.

asked Jan 30 in Chemical equilibrium by ClarkFogarty (1.9k points)

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1 answer 69 views

What is the effect of adding a catalyst on the equilibrium position of the redox reaction: Fe3+(aq) + SCN-(aq) ⇌ FeSCN2+(aq)? Calculate the equilibrium constants (Kc and Kp) at 25°C for the reaction with and without a catalyst. Also, explain why addition of a catalyst changes the position of the equilibrium in this system.

asked Jan 30 in Chemical equilibrium by RosarioManto (1.8k points)

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1 answer 63 views

If the equilibrium constant (Kc) for the reaction N2(g) + 3H2(g) ⇌ 2NH3(g) at a certain temperature is 4.0×10^-3, and a catalyst is added to speed up the reaction, how will the equilibrium position shift? Calculate the new equilibrium constant if the catalyst increases the rate of the forward reaction by a factor of 10.

asked Jan 30 in Chemical equilibrium by RamiroShockl (2.3k points)

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1 answer 79 views

What is the effect of adding a catalyst on the equilibrium position of the redox reaction between potassium permanganate (KMnO4) and oxalic acid (H2C2O4)? Calculate the new equilibrium constant (Kc) and explain how the addition of the catalyst affects the forward and reverse reaction rates.

asked Jan 30 in Chemical equilibrium by KitRatley759 (1.9k points)

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1 answer 88 views

What is the effect of adding a catalyst on the equilibrium position of a redox reaction between hydrogen peroxide and iodide ions? Calculate the new equilibrium constant and predict the direction of the shift in equilibrium.

asked Jan 30 in Chemical equilibrium by JannaWales93 (2.0k points)

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1 answer 90 views

What is the effect of adding a catalyst on the equilibrium position of a redox reaction between iron(III) oxide and carbon monoxide, where iron is reduced and carbon is oxidized according to the following equation?Fe2O3 + 3CO ⇆ 2Fe + 3CO2 Calculate the equilibrium constant (Kp) of the reaction at 298 K in the presence and absence of a catalyst. Explain whether or not the presence of the catalyst will affect the position of equilibrium and justify the answer with relevant calculations.

asked Jan 30 in Chemical equilibrium by Vance58E9387 (1.9k points)

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1 answer 53 views

What effect does adding a catalyst to a chemical system have on the equilibrium position and how does this impact the overall rate of reaction? Use the example of the Haber process to illustrate your answer with calculations.

asked Jan 30 in Chemical equilibrium by LorenzaOrell (2.1k points)

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1 answer 84 views

What is the effect of adding a catalyst on the equilibrium position of a redox reaction where iodate ions combine with sulfite ions in an acidic solution to create iodide ions and sulfate ions? Calculate the new equilibrium constant with and without the catalyst given the reaction equation: IO3^- (aq) + 3SO3^2- (aq) + H2O (l) → I^- (aq) + 3SO4^2- (aq) + 2H+ (aq) Assume the temperature, pressure and volume remain constant, and that the initial concentrations of each reactant and product are known.

asked Jan 30 in Chemical equilibrium by JackQ7308746 (2.0k points)

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1 answer 62 views

What is the effect of adding a catalyst on the equilibrium position of a redox reaction between potassium permanganate and oxalic acid if the reaction has already reached equilibrium at a specific temperature and pressure? Provide a detailed explanation and show your calculations.

asked Jan 30 in Chemical equilibrium by BradCrandall (2.5k points)

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1 answer 63 views

What will be the effect of adding a buffer solution on the equilibrium constant of an acid-base reaction between a weak acid and its conjugate base? Provide a step-by-step calculation showing the change in equilibrium position and the final pH value after the addition of the buffer solution.

asked Jan 30 in Chemical equilibrium by Vernell30C7 (2.5k points)

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1 answer 90 views

What is the role of the enzyme acyl-CoA synthetase in the metabolism of long-chain fatty acids and how does it differ from the enzyme used for the metabolism of short-chain fatty acids?

asked Jan 30 in BioChemistry by AbbeySorenso (1.8k points)

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1 answer 84 views

What is the difference between Acyl chlorides and Acid anhydrides in terms of their reactivity towards nucleophiles? Provide specific examples and mechanisms to support your answer.

asked Jan 30 in Organic Chemistry by Leif76792351 (2.0k points)

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