Questions by EloisaPtm353

0 votes

1 answer 28 views

What is the role of the particle size and surface area in the catalytic activity of solid surfaces? Provide examples of industrial applications where the knowledge of surface chemistry is crucial for the development of efficient catalysts.

asked Feb 24 in Surface Chemistry

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1 answer 49 views

How does the production of biofuels from crop-based sources impact soil health and water quality?

asked Feb 22 in Environmental Chemistry

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1 answer 29 views

What is the most effective method for synthesizing carbon nanotubes?

asked Feb 21 in Materials Chemistry

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1 answer 31 views

How does the electronic configuration of transition metals impact their reactivity towards oxygen, and how can this information be used to predict the formation of oxides?

asked Feb 20 in Inorganic Chemistry

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1 answer 34 views

What is the mechanism of CO2 fixation during the Calvin cycle of Photosynthesis, and how does it contribute to the synthesis of glucose in plants?

asked Feb 18 in BioChemistry

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1 answer 37 views

What is the bond dissociation energy of a methane molecule (CH4) in kilojoules per mole, assuming that all the bonds are broken simultaneously and the products are isolated atoms?

asked Feb 18 in Chemical bonding

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1 answer 28 views

How does the adsorption of proteins on solid surfaces differ under varying pH conditions?

asked Feb 17 in Surface Chemistry

0 votes

1 answer 44 views

What is the predicted color of a copper (II) sulfate solution when it is diluted and heated? How does the predicted color change when the solution is further diluted or heated to a higher temperature?

asked Feb 12 in Inorganic Chemistry

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1 answer 32 views

How can the design of a production system for lubricants in a chemical engineering plant be optimized to increase the efficiency of the process and minimize negative environmental impacts?

asked Feb 7 in Chemical engineering

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1 answer 34 views

How can chemistry education be improved to incorporate a greater emphasis on environmental chemistry, and what are the real-world applications and impact of this knowledge in reducing environmental degradation and promoting sustainable practices?

asked Feb 4 in Chemical education

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1 answer 67 views

Calculate the enthalpy change of dissolving 5.00 g of NaOH in 100.0 g of water. The temperature of the resulting solution increases from 25.00°C to 31.50°C. The specific heat capacity of the resulting solution is 4.18 J/g°C.

asked Jan 23 in ThermoChemistry

0 votes

1 answer 129 views

A chemistry student is provided with 10 grams of copper oxide and 5 grams of magnesium. The student reacts the two substances to form copper and magnesium oxide. What is the limiting reactant in this reaction and how many grams of copper can be produced?

asked Jan 22 in Chemical reactions

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1 answer 75 views

A certain chemical reaction has a delta H value of -120 kJ/mol. If 2.5 moles of this reactant undergo the reaction, how much energy is released or absorbed by the reaction?

asked Jan 22 in ThermoChemistry

0 votes

1 answer 40 views

Where can we find opportunities for future research in organisational psychology?

asked Jan 16 in Psychology

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1 answer 64 views

What is the life course perspective on ageing?

asked Jan 16 in Psychology

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1 answer 47 views

Where did Attachment Theory originate?

asked Jan 16 in Psychology

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1 answer 70 views

What is Bandura's social-cognitive theory?

asked Jan 15 in Psychology

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1 answer 62 views

What is the social learning theory by Bandura?

asked Jan 15 in Psychology

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1 answer 45 views

What are some of the main symptoms of post-traumatic stress disorder (PTSD)?

asked Jan 15 in Psychology

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1 answer 53 views

What is phenomenology?

asked Jan 14 in Psychology

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