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User LeroyBothwel
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Answers by LeroyBothwel
0
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19
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What is the bond enthalpy of O-H bond in the molecule H2O? Show the calculation involved in determining the enthalpy change required to break one mole of O-H bonds in water.
answered
Feb 18
in
Chemical bonding
0
votes
26
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What is the difference between step-growth and chain-growth polymerization reactions and how do their mechanisms affect the properties of the resulting polymer?
answered
Feb 14
in
Organic Chemistry
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9
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How can we use molecular docking studies to design a more effective drug candidate for a specific protein target?
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Feb 13
in
Computational Chemistry
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43
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How can the properties of semiconductors be optimized to improve their efficiency in electronic devices?
answered
Feb 10
in
Materials Chemistry
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76
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What is the dipole moment (in Debye) of water molecule as predicted by ab initio calculations using the Hartree-Fock method with a 6-31++G(d,p) basis set?
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Jan 31
in
Computational Chemistry
0
votes
54
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Calculate the heat of hydration of CuSO4.5H2O given that the enthalpy change for the reaction CuSO4.5H2O(s) -> CuSO4(s) + 5H2O(l) is -90.6 kJ/mol. Assume that the specific heat of the hydrated salt is 4.2 J/g*K and the density of the solution is 1.05 g/mL.
answered
Jan 23
in
ThermoChemistry
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51
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Calculate the enthalpy change for the desorption of water vapor from a silica gel desiccant using the following information:Mass of silica gel desiccant = 5.0 gInitial temperature of silica gel desiccant and water vapor = 25.0 °CFinal temperature after desorption of water vapor = 40.0 °CSpecific heat capacity of silica gel = 1.16 J/g°CHeat absorbed by the calorimeter = -222.4 JAssume all heat absorbed by calorimeter comes solely from the desorption of water vapor.
answered
Jan 23
in
ThermoChemistry
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votes
57
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When did Bayes propose the use of the Bayesian approach?
answered
Jan 17
in
Psychology
0
votes
57
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What is eye-tracking technology?
answered
Jan 17
in
Psychology
0
votes
20
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What is reliability in theory evaluation?
answered
Jan 16
in
Psychology
0
votes
37
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What is the purpose of the control group in a clinical trial?
answered
Jan 16
in
Psychology
0
votes
48
views
Who proposed the bounded rationality theory?
answered
Jan 15
in
Psychology
0
votes
56
views
When does the Cognitive Apprenticeship Model suggest scaffolding should be used?
answered
Jan 15
in
Psychology
0
votes
34
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According to Eysenck's big three dimensions of personality, what are the three dimensions?
answered
Jan 15
in
Psychology
0
votes
16
views
Who is considered the founder of psychoanalysis?
answered
Jan 13
in
Psychology
0
votes
46
views
What process occurs around day 14 of a 28-day menstrual cycle, triggered by the lh surge?
answered
Jan 7
in
Science
0
votes
13
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What is the term for crops that are genetically modified with new genes that code for traits useful to humans?
answered
Jan 7
in
Science
0
votes
40
views
What is the measure of how closely molecules are packed together?
answered
Jan 7
in
Science
0
votes
60
views
What happens when forces of evolution work over a long period of time?
answered
Jan 6
in
Science
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55
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What glands produce the salty fluid that helps cool the body of many mammals?
answered
Jan 6
in
Science
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