Questions by OtisMacGilli

0 votes

1 answer 83 views

How does the metal coordination environment of heme non-catalytic subunits of hemoglobin affect oxygen binding affinity at high altitude?

asked Feb 20 in Coordination Chemistry

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1 answer 91 views

What is the effect of different surface modification techniques on the contact angle of a polymer film?

asked Feb 19 in Surface Chemistry

0 votes

1 answer 92 views

How does the dielectric constant of a solvent affect the reaction rate of a chemical reaction?

asked Feb 19 in Chemical kinetics

0 votes

1 answer 92 views

What is the chemical structure of pyrrole and what are its properties that make it a key building block for many natural products and pharmaceutical drugs? Provide a specific example of a compound derived from pyrrole and explain its medicinal properties.

asked Feb 14 in Organic Chemistry

0 votes

1 answer 123 views

How does increasing pressure affect the rate of reaction between hydrogen gas and iodine gas to form hydrogen iodide gas, and what is the rate law expression for this reaction under high-pressure conditions?

asked Feb 13 in Chemical kinetics

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1 answer 89 views

How can the knowledge of the mechanism of photochemical reactions in organic compounds be used to predict the products formed and optimize reaction conditions for improved yield?

asked Feb 7 in PhotoChemistry

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1 answer 130 views

Calculate the standard enthalpy change for the formation of one mole of methane (CH4) gas given the following information: - Heat of combustion of methane gas is -890.36 kJ/mol - Heat of formation of water (H2O) liquid is -285.83 kJ/mol - Heat of formation of carbon dioxide (CO2) gas is -393.52 kJ/mol

asked Feb 3 in Chemical thermodynamics

0 votes

1 answer 139 views

What is the role of carbohydrate-protein interactions in the recognition of cell surface receptors and how does the specific structure of carbohydrates contribute to this recognition process?

asked Jan 31 in BioChemistry

0 votes

1 answer 82 views

Calculate the bond dissociation energy of the nitrogen-nitrogen (N-N) bond in N2O4 given that the enthalpy change for the reaction 2N2O4(g) --> 4NO2(g) is -109.7 kJ/mol.

asked Jan 23 in ThermoChemistry

0 votes

1 answer 162 views

A student needs to calculate the resistance of an electrochemical cell that has a concentration of 0.1 M for both copper(II) and zinc(II) ions, using an electrochemical sensor that measures 2.5 volts for the cell. Calculate the resistance of the electrochemical cell at room temperature, given that the Faraday constant is 96485 C/mol and the gas constant is 8.314 J/(mol·K).

asked Jan 22 in ElectroChemistry

0 votes

1 answer 146 views

What is the 'zone of proximal development' according to Vygotsky's sociocultural theory?

asked Jan 20 in Psychology

0 votes

1 answer 72 views

What is the social-cognitive approach?

asked Jan 20 in Psychology

0 votes

1 answer 146 views

What is the dual-coding theory?

asked Jan 20 in Psychology

0 votes

1 answer 135 views

According to Maslow's hierarchy of needs, what is the ultimate goal for humans?

asked Jan 17 in Psychology

0 votes

0 answers 177 views

When was cognitive behavioural therapy developed?

asked Jan 16 in Psychology

0 votes

1 answer 92 views

What is the EEA?

asked Jan 15 in Psychology

+2 votes

1 answer 184 views

Zinc reacting with hydrochloric acid produces bubbles of which gas?

asked Jan 8 in Science

0 votes

1 answer 83 views

With a diet of live animals such as birds, small mammals and fish, all crocodilians are considered what?

asked Jan 8 in Science

0 votes

1 answer 64 views

Which vitamin is made in the skin when it is exposed to sunlight?

asked Jan 8 in Science

0 votes

1 answer 136 views

What sciences are the study of living organisms?

asked Jan 7 in Science

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