Questions by LawrenceShel

0 votes

1 answer 26 views

What is the Faraday constant and how can it be calculated from experimental data of electrolysis of nickel (II) sulfate using a current of 2.0 A for a duration of 2.5 hours, where the mass of nickel deposited on the cathode is known to be 0.245 g?

asked Feb 20 in ElectroChemistry

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1 answer 35 views

How does the electrokinetic potential affect the stability of colloidal systems and what is the mechanism behind it?

asked Feb 20 in Surface Chemistry

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1 answer 72 views

How can a chemist selectively protect an amine group in the presence of hydroxyl and carboxyl groups when synthesizing a complex organic molecule using protecting groups?

asked Feb 4 in Organic Chemistry

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1 answer 87 views

Certainly! Here's a question for the student to solve related to the topic:What is the mechanism of the Pinacol-Pinacolone rearrangement reaction?

asked Feb 3 in Organic Chemistry

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1 answer 98 views

What is the percent composition of carbon, hydrogen, and nitrogen in a 10 gram sample of caffeine? Use elemental analysis to determine the answer.

asked Jan 31 in Analytical Chemistry

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1 answer 65 views

Calculate the enthalpy change for the oxidation of 1 mole of methane gas to form carbon dioxide and water vapor, given the following balanced chemical equation: CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)(enthalpy of formation: ΔHf(CH4)=-74.81 kJ/mol, ΔHf(CO2)=-393.51 kJ/mol, ΔHf(H2O)= -241.83 kJ/mol)

asked Jan 23 in ThermoChemistry

0 votes

1 answer 40 views

According to humanistic theory, how does the therapist create a supportive environment?

asked Jan 17 in Psychology

0 votes

1 answer 43 views

What is the difference between cross-sectional and longitudinal studies of aging?

asked Jan 17 in Psychology

0 votes

1 answer 62 views

What is an explanation for the placebo analgesia phenomenon?

asked Jan 16 in Psychology

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1 answer 48 views

Please evaluate the load-induced blindness phenomenon.

asked Jan 16 in Psychology

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1 answer 75 views

How can the social learning theory be applied to parenting practices?

asked Jan 16 in Psychology

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1 answer 60 views

According to social exchange theory, what is reciprocity?

asked Jan 16 in Psychology

0 votes

1 answer 39 views

Where can the attribution theory be applied in everyday life?

asked Jan 15 in Psychology

0 votes

1 answer 53 views

What is the difference between the social facilitation theory and the social inhibition theory?

asked Jan 15 in Psychology

0 votes

1 answer 45 views

When did Carl Jung develop the theory of the collective unconscious?

asked Jan 15 in Psychology

0 votes

1 answer 91 views

What is the impact of self-efficacy on performance?

asked Jan 14 in Psychology

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1 answer 106 views

What is self-esteem?

asked Jan 13 in Psychology

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1 answer 59 views

How does sound localisation occur?

asked Jan 13 in Psychology

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1 answer 80 views

Who is Albert Bandura?

asked Jan 13 in Psychology

0 votes

1 answer 33 views

What kinds of waves are composed of various oscillating electric and magnetic fields?

asked Jan 7 in Science

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