Questions by GingerJ92570

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1 answer 29 views

What is the effect of varying the size and shape of gold nanoparticles on their catalytic activity in the reduction of 4-nitrophenol, and how does this compare to other common catalysts such as silver or palladium nanoparticles?

asked Feb 24 in Materials Chemistry

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1 answer 33 views

How does the pH of the aqueous phase affect the stability of oil-in-water emulsions?

asked Feb 22 in Surface Chemistry

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1 answer 29 views

What is the most effective renewable energy source that can replace non-renewable energy sources like fossil fuels, and what is the impact of its utilization on the environment?

asked Feb 21 in Environmental Chemistry

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1 answer 23 views

How does the amount and type of oil spilled in a marine environment affect the biodegradation rate and toxicity level of the spilled oil, and what are the potential long-term effects on the ecosystem?

asked Feb 17 in Environmental Chemistry

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1 answer 37 views

What are the specific properties and characteristics of semiconductors that make them suitable for use in electronic devices, such as transistors and solar cells? Also, how can we utilize these properties to optimize the performance of these devices?

asked Feb 14 in Materials Chemistry

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1 answer 61 views

How does computational modeling aid in understanding the mechanism of enzyme catalysis, and what insights can be gained through this approach?

asked Feb 12 in Computational Chemistry

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1 answer 80 views

Dinitrogen tetroxide converts into nitrogen dioxide according to the following equation N2O4(g) ⇋ 2NO2(g). At equilibrium, the concentration of N2O4 is found to be 0.02 M and the concentration of NO2 is found to be 0.08 M. Calculate the equilibrium constant (Kc) for this reaction.

asked Feb 4 in Chemical equilibrium

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1 answer 70 views

Calculate the standard electrode potential for the following reaction: Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s) Given that the standard electrode potentials for Zn2+/Zn and Cu2+/Cu are -0.76 V and 0.34 V respectively.

asked Feb 3 in ElectroChemistry

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1 answer 94 views

Calculate the standard cell potential of the following electrochemical cell at 298 K, given the half-reactions and their standard reduction potentials in brackets:Cu(s) | Cu^2+(0.001 M) || Ag+(0.1 M) | Ag(s)

asked Feb 3 in Physical Chemistry

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1 answer 79 views

Calculate the heat released when 1 mole of ethane (C2H6) is combusted in oxygen gas to form carbon dioxide and water, given the following enthalpy of combustion values: ΔH°comb(C2H6) = -1560 kJ/mol ΔH°comb(O2) = -393.5 kJ/mol ΔH°f(CO2) = -393.5 kJ/mol ΔH°f(H2O) = -285.8 kJ/mol

asked Jan 23 in ThermoChemistry

+1 vote

1 answer 89 views

What is the product formed when propene undergoes electrophilic addition reaction with hydrogen bromide (HBr)?

asked Jan 21 in Organic Chemistry

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1 answer 119 views

What products are expected from the reaction of 1-bromobutane with sodium hydroxide in aqueous solution, and why?

asked Jan 21 in Organic Chemistry

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1 answer 98 views

What is the systematic name of the following organic compound: CH3CH2CH(CH3)CH2CH3?

asked Jan 21 in Organic Chemistry

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1 answer 53 views

According to the humanistic-existential theory, why is authenticity important?

asked Jan 17 in Psychology

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1 answer 80 views

Please compare the embodied cognition theory and the enactivism theory.

asked Jan 15 in Psychology

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1 answer 39 views

What is the 'Gamification'?

asked Jan 14 in Psychology

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1 answer 127 views

What is the disengagement theory of aging?

asked Jan 10 in Psychology

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1 answer 68 views

What term is used to describe a solute that is water fearing?

asked Jan 7 in Science

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1 answer 37 views

What natural disaster is california most linked with?

asked Jan 7 in Science

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1 answer 52 views

What measures exactly how much gravity is pulling on something?

asked Jan 7 in Science

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