Questions by EleanorNabor

0 votes

1 answer 25 views

What is the maximum yield of benzocaine that can be obtained from the reaction of p-aminobenzoic acid and ethanol under specific conditions, and how do the reactant ratios and reaction temperature affect the yield?

asked 5 days ago in Chemical synthesis

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1 answer 9 views

What is the role of metal ions in the catalytic activity of metalloenzymes and metalloproteins? Provide examples of specific metalloenzymes and metalloproteins, and explain how the specific metal ion contributes to their function.

asked Feb 13 in Coordination Chemistry

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1 answer 38 views

What is the effect of doping a graphene sheet with boron and nitrogen atoms on its electronic properties as predicted by density functional theory calculations?

asked Feb 12 in Computational Chemistry

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1 answer 57 views

Calculate the standard enthalpy change for the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH), given the appropriate thermochemical equations and the following information:- Heat evolved during the reaction, Q = -58.35 kJ/mol- Moles of HCl used, n(HCl) = 0.05 mol- Concentration of NaOH solution, c(NaOH) = 2 M- Volume of NaOH solution used, V(NaOH) = 25.0 mL (assuming density of 1.00 g/mL)Show your calculations and include units in your final answer.

asked Feb 3 in Chemical thermodynamics

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1 answer 69 views

How can X-ray diffraction be used to determine the crystalline structure and composition of a sample? Provide a step-by-step procedure for using this technique to analyze a given sample and interpret the resulting diffraction pattern.

asked Jan 30 in Analytical Chemistry

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1 answer 45 views

Calculate the lattice energy of CaO given the following information: the enthalpy of formation of CaO is -635 kJ/mol, the ionization energy of Ca is 590 kJ/mol, the electron affinity of O is -141 kJ/mol, and the Ca–O bond length is 2.23 Å.

asked Jan 23 in Inorganic Chemistry

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1 answer 49 views

Calculate the enthalpy change of combustion for the reaction of methane (CH4) when 1.25 moles of methane is completely burnt in excess oxygen gas at standard conditions, given that the enthalpy change of combustion for methane is -890.3 kJ/mol.

asked Jan 23 in ThermoChemistry

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1 answer 51 views

What is the primary goal of dialectical behaviour therapy?

asked Jan 20 in Psychology

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1 answer 68 views

Can you give an example of how the macrosystem influences an individual?

asked Jan 20 in Psychology

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1 answer 28 views

What is one potential benefit of successful conflict resolution?

asked Jan 17 in Psychology

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1 answer 47 views

Who or what is included in the Chronosystem level?

asked Jan 15 in Psychology

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1 answer 54 views

According to the social cognitive theory, what are the three factors that influence behaviour?

asked Jan 15 in Psychology

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1 answer 43 views

What is the difference between homologous and analogous traits?

asked Jan 15 in Psychology

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1 answer 28 views

Where is the only place an electric charge can be found?

asked Jan 8 in Science

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1 answer 38 views

Which phylum is made up of segmented worms such as earthworms?

asked Jan 8 in Science

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1 answer 33 views

What is paleobotany?

asked Jan 6 in Science

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1 answer 38 views

What is broken during catabolic reactions, such as the breakdown of complex carbohydrates into simple sugars?

asked Jan 6 in Science

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1 answer 72 views

What generally sets the direction that technology takes?

asked Jan 6 in Science

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1 answer 68 views

What are membrane-bound organelles with their own dna called?

asked Jan 3 in Science

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1 answer 29 views

Steam actually consists of tiny droplets of liquid what?

asked Dec 31, 2024 in Science

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