Questions by Sylvia941924

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1 answer 15 views

How does the rate of the photochemical reaction change with increasing temperature? Provide a detailed explanation with experimental evidence and a graphical representation of the results.

asked 3 days ago in PhotoChemistry

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1 answer 27 views

What is the electronegativity difference between a fluorine atom (electronegativity value of 4.0) and a lithium atom (electronegativity value of 0.98)?

asked 5 days ago in Chemical bonding

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1 answer 24 views

What is the balanced chemical equation for the combustion of methane (CH4)?

asked Feb 17 in Chemical reactions

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1 answer 20 views

How does the adsorption energy of a nitrogen molecule on the surface of a metal catalyst change with the addition of a small amount of a second metal dopant, as predicted by density functional theory calculations?

asked Feb 17 in Computational Chemistry

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1 answer 24 views

How does the selective oxidation of hydrocarbons differ on metal surfaces with varying catalytic properties, and what factors affect the selectivity and efficiency of the reaction on these surfaces?

asked Feb 14 in Surface Chemistry

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1 answer 38 views

How do plants and microorganisms assimilate atmospheric nitrogen and convert it into forms that can be used for metabolic processes?

asked Feb 14 in BioChemistry

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1 answer 27 views

How can the yield of a chemical reaction be optimized by manipulating the reaction conditions, such as temperature or pressure, and what are the possible impacts of such optimization on the production process and final product quality?

asked Feb 14 in Chemical engineering

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1 answer 9 views

How can the synthesis of carbon nanotubes be optimized to improve their electrical conductivity properties for use in electronic devices?

asked Feb 11 in Materials Chemistry

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1 answer 37 views

How can metabolomics and systems biology be used to identify metabolic pathways involved in drug metabolism and toxicity in the human body?

asked Feb 6 in BioChemistry

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1 answer 32 views

How can computational studies of enzyme catalysis help in the development of new drugs for treating diseases?

asked Feb 6 in Computational Chemistry

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1 answer 82 views

What strategies can a chemistry student use to better understand complex chemical concepts, such as quantum mechanics or thermodynamics?

asked Jan 30 in Chemical education

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1 answer 10 views

Calculate the enthalpy change for the following combustion reaction:C2H6(g) + 7/2 O2(g) --> 2CO2(g) + 3H2O(l)Using the following reactions and their corresponding enthalpies of formation:C2H6(g) + 3 1/2 O2(g) --> 2CO2(g) + 3H2O(l) ΔH°f = -1560 kJ/mol2H2(g) + O2(g) --> 2H2O(l) ΔH°f = -484 kJ/mol.

asked Jan 23 in ThermoChemistry

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1 answer 92 views

A student conducted an electrolysis experiment using a current of 2 amperes for 30 minutes with a copper sulfate solution. What is the mass of copper deposited on the cathode? The atomic weight of copper is 63.546 g/mol and the Faraday constant is 96,485 C/mol.

asked Jan 22 in ElectroChemistry

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1 answer 72 views

Compare the social learning theory and the cognitive-developmental theory of gender development.

asked Jan 20 in Psychology

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1 answer 37 views

What is the role of the basal ganglia in motor control?

asked Jan 20 in Psychology

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1 answer 68 views

Where did Susan Nolen-Hoeksema conduct her research on depression?

asked Jan 20 in Psychology

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1 answer 34 views

What is group polarization?

asked Jan 20 in Psychology

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1 answer 36 views

Why is the ethological approach important for animal psychology?

asked Jan 16 in Psychology

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1 answer 37 views

What is the personality trait that is related to self-esteem?

asked Jan 15 in Psychology

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1 answer 37 views

According to Jean Piaget, what is the term used to describe the modification of existing knowledge structures to incorporate new information?

asked Jan 15 in Psychology

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