Questions by JacquelynDos

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1 answer 21 views

How does the particle size of a gold nanoparticle affect its photochemical properties such as absorbance, emission, and quantum yield under different light sources and intensities?

asked 4 days ago in PhotoChemistry

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1 answer 25 views

What is the effect of increasing pressure on the reaction rate between hydrogen gas and iodine gas to form hydrogen iodide, and how does this relate to the collision theory of chemical reactions?

asked 6 days ago in Chemical kinetics

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1 answer 29 views

How does temperature affect the rate and mechanism of a chemical reaction at the molecular level, according to quantum chemistry principles?

asked Feb 17 in Quantum Chemistry

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1 answer 41 views

What are the distinguishing characteristics of an ionic, covalent, and metallic solid? Give specific examples of each type of solid and explain their properties.

asked Feb 13 in Inorganic Chemistry

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1 answer 36 views

What is the vibrational frequency and bond length of carbon dioxide molecule using infrared spectroscopy?

asked Feb 13 in Physical Chemistry

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1 answer 39 views

What is the amount of heat required to melt 10 g of ice at 0°C, given that the heat of fusion of water is 6.01 kJ/mol?

asked Feb 13 in ThermoChemistry

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1 answer 33 views

How can the efficiency of the photochemical degradation of pollutants be improved for industrial applications in water treatment facilities? What factors could potentially affect the photolysis rate of pollutants such as dyes, pharmaceuticals, and pesticides in the water?

asked Feb 7 in PhotoChemistry

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1 answer 35 views

How can chemistry students effectively conduct experiments and complete coursework when they have limited access to laboratory equipment and facilities due to budget constraints?

asked Feb 4 in Chemical education

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1 answer 71 views

What is the most favorable reaction pathway for the Fischer-Tropsch synthesis of methane on a Cu surface using Density Functional Theory calculations of catalytic reactions?

asked Jan 31 in Computational Chemistry

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1 answer 87 views

A chemistry student is given an unknown compound and asked to identify it using mass spectrometry. The mass spectrum of the compound shows a molecular ion peak at m/z 150, a base peak at m/z 135, and a few smaller peaks at m/z 91, 77, and 65. What is the possible molecular formula of the unknown compound?

asked Jan 22 in Analytical Chemistry

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1 answer 63 views

A chemical reaction is taking place where nitrogen gas and hydrogen gas are being combined to form ammonia gas. According to Le Chatelier's principle, how would increasing the pressure of the system affect the yield of ammonia gas? Provide a scientific explanation for your answer.

asked Jan 22 in Chemical reactions

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1 answer 45 views

According to the reward pathway theory, what is the role of dopamine in addiction?

asked Jan 20 in Psychology

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1 answer 63 views

What is one limitation of using a humanistic approach in existential psychology?

asked Jan 20 in Psychology

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1 answer 61 views

According to Freud, why do people develop psychological disorders?

asked Jan 17 in Psychology

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1 answer 38 views

According to ethology, what is the study of animal behaviour?

asked Jan 16 in Psychology

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1 answer 40 views

According to Piaget, how do children develop the concept of conservation?

asked Jan 15 in Psychology

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1 answer 55 views

Please list some limitations of TMS studies.

asked Jan 15 in Psychology

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1 answer 44 views

What are the four stages of Gender Development proposed by cognitive developmental theory?

asked Jan 15 in Psychology

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1 answer 24 views

According to Freud, what is the psychosocial stage that occurs during early childhood?

asked Jan 15 in Psychology

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1 answer 36 views

What is the emotional intelligence?

asked Jan 15 in Psychology

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