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How does changing the concentration of reactants affect the reaction rate and determine the order of the reaction for the given chemical reaction?
answered
2 days
ago
in
Chemical kinetics
1
answer
54
views
A student needs to analyze an unknown sample to determine the percent composition of three compounds present in it. The student conducts a combustion reaction to determine the percent of carbon and hydrogen in the sample. The remaining residue is then dissolved in water and the solution is titrated with a standardized silver nitrate solution to determine the chloride ion concentration in the sample. Calculate the percent composition of each compound in the unknown sample using mass balance calculations.
asked
Jan 22
in
Analytical Chemistry
1
answer
61
views
A chemistry student is required to determine the cathodic and anodic Tafel slopes for a reaction occurring at an electrode surface. The current density at the cathodic surface is known to be 1.8 mA/cm² and the current density at the anodic surface is known to be 1.2 mA/cm². The current potential relationship is given by the Tafel equation:log (i) = log (i0) + β_c * (E-E_c) for cathodic reactionlog (i) = log (i0) + β_a * (E-E_a) for anodic reactionWhere i is the current density, i0 is the exchange current density, β_c and β_a are the cathodic and anodic Tafel slopes respectively, E is the elect
asked
Jan 22
in
ElectroChemistry
1
answer
17
views
Who proposed the cognitive-affective personality system?
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Jan 20
in
Psychology
1
answer
25
views
Where did Joseph Wolpe develop systematic desensitisation?
answered
Jan 20
in
Psychology
1
answer
5
views
When can compartmentalisation be detrimental to a psychologist's wellbeing?
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Jan 17
in
Psychology
1
answer
16
views
Why is the ecological perspective important in community psychology?
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Jan 15
in
Psychology
1
answer
6
views
How is the self-determination theory applied in practice?
asked
Jan 15
in
Psychology
1
answer
6
views
When was the Ecological Systems Theory proposed?
asked
Jan 15
in
Psychology
1
answer
18
views
What term is used to describe joints in which the bones are connected by cartilage?
asked
Jan 8
in
Science
1
answer
20
views
What organ is divided into the duodenum, the jejunum, and the ileum?
answered
Jan 7
in
Science
1
answer
44
views
What happens when heated water is released into a body of water?
answered
Jan 6
in
Science
1
answer
25
views
The thick skin, found only on the palms of the hands and the soles of the feet, has an extra what?
asked
Jan 2
in
Science
1
answer
43
views
The rate of what process depends on how many of an organism’s genes have changed over a period of time and on the generation time of a particular species?
answered
Jan 2
in
Science
1
answer
22
views
Ribosomes are produced in the nucleolus, and then transported to the what?
answered
Dec 31, 2024
in
Science
1
answer
22
views
Individual nucleotides can be linked together through their phosphate groups to form?
asked
Dec 31, 2024
in
Science
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