Questions by PeggyBednall

0 votes

1 answer 24 views

What is the effect of changing the concentration of reaction products on the reaction rate of the chemical reaction between hydrochloric acid and sodium thiosulphate?

asked Feb 22 in Chemical kinetics

0 votes

1 answer 30 views

How do the photochemical properties of lanthanide complexes vary with changes in their ligand environments?

asked Feb 22 in PhotoChemistry

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1 answer 29 views

How does the coordination geometry of a transition metal complex affect its electronic and magnetic properties?

asked Feb 19 in Quantum Chemistry

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1 answer 66 views

Identify the possible types of isomerism in a molecule with the chemical formula C4H10O and explain the differences between each type of isomerism.

asked Feb 13 in Chemical bonding

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1 answer 91 views

How can the teaching of practical applications of chemistry in real-world scenarios be improved to increase students' interest and engagement in the subject?

asked Feb 13 in Chemical education

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1 answer 51 views

How can computational studies be used to predict and analyze the non-covalent interactions between molecules in supramolecular chemistry systems?

asked Feb 6 in Computational Chemistry

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1 answer 137 views

Calculate the standard enthalpy change (∆H°) for the reaction: NaOH(aq) + HCl(aq) -> NaCl(aq) + H2O(l) given the following information: - The enthalpy change of neutralization of HCl(aq) with NaOH(aq) is -55.9 kJ/mol. - The enthalpy of formation of NaCl(s) is -411.2 kJ/mol.- The enthalpy of vaporization of water (H2O) is 40.7 kJ/mol.Assume that the specific heat capacity of the water is 4.18 J/g K and the density of the solution is 1 g/mL.

asked Feb 3 in Chemical thermodynamics

0 votes

1 answer 92 views

How do changes in temperature affect the permeability of cell membranes?

asked Jan 31 in BioChemistry

0 votes

1 answer 70 views

Calculate the heat of crystallization of 5 moles of calcium chloride, given that the enthalpy change of hydration of calcium ions is –1622 kJ/mol and that of chloride ions is –364 kJ/mol.

asked Jan 23 in ThermoChemistry

0 votes

1 answer 73 views

Calculate the bond dissociation energy for the H-H bond in a diatomic hydrogen molecule, given that the enthalpy change for the reaction H2(g) → 2 H(g) is 436 kJ/mol.

asked Jan 23 in ThermoChemistry

0 votes

1 answer 82 views

According to the Global Neuronal Workspace Theory, what is the purpose of consciousness?

asked Jan 20 in Psychology

0 votes

1 answer 47 views

Where are the rods located in the eye?

asked Jan 20 in Psychology

0 votes

1 answer 43 views

What are the main features of positive psychology?

asked Jan 20 in Psychology

0 votes

1 answer 83 views

What is the probabilistic model of vision?

asked Jan 20 in Psychology

0 votes

1 answer 66 views

According to the cognitive-behavioural theory, how do people with eating disorders develop negative thoughts about their bodies?

asked Jan 15 in Psychology

0 votes

1 answer 49 views

Why might the intersectionality approach to masculinity be useful?

asked Jan 15 in Psychology

0 votes

1 answer 53 views

What are some techniques used in cognitive-behavioural therapy?

asked Jan 15 in Psychology

0 votes

1 answer 49 views

How does classical conditioning work?

asked Jan 14 in Psychology

0 votes

1 answer 44 views

How does positive reappraisal differ from acceptance coping?

asked Jan 14 in Psychology

+2 votes

1 answer 65 views

What are the different ways of coping with stress and trauma?

asked Jan 13 in Psychology

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