Questions by TatianaSteil

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1 answer 29 views

What is the complete mechanism of the preparation of 2-chloro-4-nitroaniline from aniline and chlorine gas?

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1 answer 28 views

What is the standard enthalpy change for the fusion reaction of hydrogen atoms to form helium atoms? Give the equation for the reaction and show all calculations involved in determining the answer.

asked Feb 20 in Chemical thermodynamics

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1 answer 35 views

What is the enthalpy of combustion of ethanol (C2H5OH) if the standard enthalpy change of combustion of ethanol is -1367 kJ/mol and the heat of formation of water (H2O) is -285.8 kJ/mol?

asked Feb 20 in ThermoChemistry

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1 answer 31 views

What is the coordination number and geometry of [Fe(H2O)6]2+ complex ion using UV-Vis spectroscopy?

asked Feb 19 in Coordination Chemistry

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1 answer 33 views

What is the effect of surface chemistry on emulsification in food and beverage processing, and how can it be optimized to improve the stability and consistency of emulsions?

asked Feb 17 in Surface Chemistry

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1 answer 76 views

How can the swelling capacity of a polymer-based superabsorbent material be optimized for efficient liquid absorption?

asked Feb 11 in Polymer Chemistry

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1 answer 39 views

How can molecular docking studies help in identifying potential lead compounds for drug discovery targeting a specific biological target?

asked Feb 5 in Computational Chemistry

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1 answer 43 views

Here's a precise problem for the student to solve in Balancing Chemical Equations:Balance the chemical equation for the reaction between iron (III) oxide and carbon monoxide to produce iron and carbon dioxide gas:Fe2O3(s) + CO(g) → Fe(s) + CO2(g)

asked Feb 4 in Chemical reactions

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1 answer 81 views

How do changes in pH affect the structure and function of proteins? Provide 3 examples of how a change in pH can impact protein structure and function.

asked Jan 31 in BioChemistry

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1 answer 41 views

What is the effect of temperature on the rate of a gas-phase reaction, AB → A + B, using Monte Carlo simulations and considering the collision energy of the reactants?

asked Jan 31 in Computational Chemistry

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1 answer 67 views

Calculate the change in enthalpy (ΔH) for the following reaction at 25°C given the standard enthalpies of formation for each compound: 2H2(g) + O2(g) → 2H2O(g) Standard enthalpies of formation: ΔHf° (H2O)(g) = -241.82 kJ/molΔHf° (H2)(g) = 0 kJ/molΔHf° (O2)(g) = 0 kJ/mol

asked Jan 23 in Physical Chemistry

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1 answer 84 views

A student wants to electroplate a piece of copper with silver in an electrochemical cell. If a current of 0.5 A is passed through the cell for 30 minutes, what mass of silver will be deposited on the copper piece? The atomic mass of silver is 107.87 g/mol and the faraday constant is 96,485 C/mol.

asked Jan 22 in ElectroChemistry

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1 answer 59 views

What is the Pareto principle?

asked Jan 20 in Psychology

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1 answer 43 views

Who is responsible for the development of partial least squares regression?

asked Jan 20 in Psychology

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1 answer 98 views

Why is the Asch conformity experiment famous?

asked Jan 20 in Psychology

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1 answer 53 views

Where does meta-analysis fit in the hierarchy of evidence?

asked Jan 16 in Psychology

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1 answer 38 views

When evaluating theories in existential psychology, what is the importance of theoretical clarity?

asked Jan 16 in Psychology

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1 answer 82 views

What is the criticism of ecological psychology?

asked Jan 16 in Psychology

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1 answer 91 views

What is primary aging?

asked Jan 14 in Psychology

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1 answer 94 views

What is the Identity vs. Role Confusion stage?

asked Jan 14 in Psychology

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