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How can a chemical engineer design a system for producing a natural and sustainable face moisturizer that has a shelf life of at least six months without the use of synthetic preservatives?

asked Jan 30 in Chemical engineering by LillianaY16 (1.7k points)

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1 answer 29 views

How can the chemical engineer design a safe and cost-effective system for the production of cosmetics such as lotions and creams which align with regulatory standards and offer desirable shelf-life?

asked Jan 30 in Chemical engineering by AdaFennescey (1.8k points)

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1 answer 80 views

How can a chemical engineer design a process for the purification of a specific chemical compound, taking into account its physical and chemical properties, and ensuring maximum yield and purity while minimizing waste and cost?

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

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1 answer 83 views

What type of chemical bond will form between an atom of potassium and an atom of chlorine, and what is the percentage ionic character of this bond?

asked Jan 30 in Chemical bonding by LucieFernand (2.0k points)

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1 answer 132 views

How does a change in reaction rate affect the equilibrium constant in a chemical reaction?

asked Jan 30 in Chemical kinetics by Fawn72203404 (2.2k points)

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1 answer 72 views

How does a change in the reaction mechanism affect the rate of reaction in a chemical reaction? Provide an experimental investigation to support your answer.

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

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1 answer 83 views

How does a change in the reaction mechanism affect the rate of a chemical reaction?

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

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1 answer 95 views

How does a change in the number of electrons affect the dipole moment of a molecule as predicted by ab initio calculations?

asked Jan 30 in Computational Chemistry by ZellaSeamon3 (1.6k points)

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1 answer 99 views

How does a change in concentration of reactants affect the rate of reaction and the safety in the production of hydrogen gas?

asked Jan 30 in Chemical kinetics by RigobertoWat (1.5k points)

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1 answer 85 views

What effect does a change in the concentration of ligands have on the formation of a complex ion in a solution of FeCl3? How does this affect the equilibrium constant of the reaction and what is the relationship between the concentration of the ligands and the stability constant of the complex ion? Calculate the equilibrium concentrations of the species involved and determine their values at different stages of the reaction. Use the given data and appropriate equations to solve the problem.

asked Jan 30 in Chemical equilibrium by VonnieMyers6 (2.1k points)

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1 answer 110 views

How does a change in temperature affect the reaction rate of the chemical reaction between potassium permanganate and oxalic acid in an acidic solution?

asked Jan 30 in Chemical kinetics by CecileBills (2.2k points)

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1 answer 94 views

How does a change in temperature affect the folding behavior of a specific protein using molecular dynamics simulations in computational chemistry?

asked Jan 30 in Computational Chemistry by DUPMathias4 (2.1k points)

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1 answer 87 views

How does a change in pH affect the formation of complex ions in a chemical equilibrium system? Provide an explanation and relevant examples.

asked Jan 30 in Chemical equilibrium by RyderShupe77 (1.7k points)

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1 answer 106 views

What is the effect of a change in pH on the structure and function of proteins?

asked Jan 30 in BioChemistry by LeilaniPage7 (1.8k points)

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1 answer 101 views

How does a change in pH affect the formation of the complex ion Fe(III)-thiocyanate, and what is the equilibrium constant for this reaction at a pH of 2.5?

asked Jan 30 in Chemical equilibrium by TonyaCombs22 (1.8k points)

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1 answer 98 views

How does a change in pH affect the equilibrium position of a redox reaction between iron (III) and iodide ions, and can this effect be predicted using the Nernst equation? Provide experimental data and calculations to support your answer.

asked Jan 30 in Chemical equilibrium by PriscillaLaf (1.6k points)

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1 answer 66 views

How does a change in pH affect the equilibrium position of a reaction between a weak acid and its conjugate base?

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

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1 answer 32 views

Consider the reaction: 2NOBr(g) ⇌ 2NO(g) + Br2(g)The Kc value for this reaction at a certain temperature is 0.045. A catalyst is added to the reaction mixture that increases the rate of the forward and reverse reactions to the same extent. What effect will this catalyst have on the equilibrium position of the reaction mixture? Justify your answer using calculations.

asked Jan 30 in Chemical equilibrium by GraceChaves1 (2.0k points)

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1 answer 76 views

What is the effect of a catalyst on the rate of a chemical reaction, and how does this relate to the reaction mechanism?

asked Jan 30 in Chemical kinetics by Sylvia941924 (1.9k points)

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1 answer 94 views

What is the effect of catalyst on the activation energy and rate of a chemical reaction? Provide an example of a catalytic reaction and explain how the catalyst works to increase the rate of the reaction.

asked Jan 30 in Physical Chemistry by HGCAileen63 (2.2k points)

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