Questions by SharonMendis

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1 answer 27 views

How does the size and shape of nanomaterials affect their catalytic activity for a specific reaction?

asked Feb 24 in Materials Chemistry

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1 answer 35 views

How does the concentration of reaction products affect the rate of the chemical reaction between X and Y?

asked Feb 19 in Chemical kinetics

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1 answer 34 views

What is the balanced chemical equation for the double replacement reaction between barium chloride (BaCl2) and potassium sulfate (K2SO4)?

asked Feb 17 in Chemical reactions

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1 answer 31 views

How does the surface modification of biomaterials affect their biocompatibility and performance in medical applications?

asked Feb 17 in Surface Chemistry

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1 answer 61 views

How can the properties of polymer-based electronic materials be tailored to improve their performance in organic solar cells?

asked Feb 10 in Polymer Chemistry

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1 answer 39 views

How can computational chemistry tools be used to identify novel inhibitors for specific protein-protein interactions involved in a certain disease pathway? Specifically, using molecular docking studies, can the interactions between the two proteins be analyzed and potential small molecule inhibitors be identified and characterized for their efficacy and specificity?

asked Feb 5 in Computational Chemistry

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1 answer 51 views

Calculate the standard enthalpy change for the reaction in which 6 moles of calcium oxide reacts with 3 moles of carbon dioxide to produce 2 moles of calcium carbonate. The equation for the reaction is:CaO(s) + CO2(g) → CaCO3(s)Given the standard enthalpy of formation values: ΔHf°[CaO(s)] = -635.09 kJ/mol, ΔHf°[CO2(g)] = -393.51 kJ/mol, and ΔHf°[CaCO3(s)] = -1207.44 kJ/mol.

asked Feb 3 in Chemical thermodynamics

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1 answer 40 views

A chemistry student wants to investigate the activation energy for a reaction between hydrogen and chlorine gases. The student measures the initial and final temperatures of the reaction mixture, and the rate of gas evolution. Based on this information, the student wants to calculate the activation energy of the reaction using the Arrhenius equation. What steps should the student follow to determine the activation energy of the reaction?

asked Jan 22 in Chemical reactions

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1 answer 52 views

Where do cognitive psychologists believe that personality comes from?

asked Jan 20 in Psychology

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1 answer 79 views

According to Socioemotional Selectivity Theory, how do individuals prioritise their social relationships in later life?

asked Jan 20 in Psychology

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1 answer 44 views

What is the social role theory's explanation for gender differences in behaviours and attitudes?

asked Jan 17 in Psychology

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1 answer 50 views

Compare the different stages of psychosocial development according to Erik Erikson.

asked Jan 17 in Psychology

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1 answer 74 views

How might developmental disabilities affect socialisation in childhood?

asked Jan 17 in Psychology

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1 answer 63 views

What is the difference between humanistic and existential psychotherapy?

asked Jan 15 in Psychology

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1 answer 88 views

What is Piaget's cognitive development theory?

asked Jan 15 in Psychology

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1 answer 78 views

What is the relationship between moral values and social responsibility?

asked Jan 14 in Psychology

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1 answer 123 views

What is the cognitive load theory?

asked Jan 14 in Psychology

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1 answer 101 views

What are the main criticisms of adult development theories?

asked Jan 14 in Psychology

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1 answer 80 views

What is the difference between a PET scan and an EEG?

asked Jan 14 in Psychology

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1 answer 77 views

Compare and contrast positive and negative emotions.

asked Jan 14 in Psychology

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