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1
answer
38
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Determine the number of electrons transferred in the following electrochemical reaction: Cu(s) + 2Ag+(aq) → Cu2+(aq) + 2Ag(s) Show the calculation steps and write the balanced half-reactions with the number of electrons transferred.
asked
1 day
ago
in
ElectroChemistry
1
answer
52
views
How do the different factors such as temperature, pressure, and nature of the gas affect the adsorption behavior of a gas on a solid surface? Provide experimental data and theoretical explanations to support your answer.
asked
5 days
ago
in
Physical Chemistry
1
answer
24
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How can the practical applications of chemistry, such as developing new drugs or creating sustainable energy sources, be highlighted more effectively in chemistry education to motivate students to pursue careers in these areas?
answered
6 days
ago
in
Chemical education
1
answer
46
views
How can we efficiently and accurately quantify the levels of heavy metals, such as lead and mercury, in a given water sample using atomic absorption spectroscopy method?
answered
Jan 29
in
Analytical Chemistry
1
answer
50
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Calculate the enthalpy of adsorption for the adsorption of nitrogen gas on activated carbon at 298 K, given that the partial pressure of nitrogen gas is 1.2 atm and the amount of adsorbate adsorbed per gram of adsorbent is 0.45 mol/g. The enthalpy of liquefaction of nitrogen gas at boiling point (-196 °C) is -5.58 kJ/mol.
answered
Jan 23
in
ThermoChemistry
1
answer
44
views
A student performs a chemical reaction in which the theoretical yield of a particular product is 25 grams. After carrying out the reaction, the student recovers only 18 grams of the product. What is the percent yield of the reaction?
answered
Jan 22
in
Chemical reactions
1
answer
4
views
Who believes emotions shape cognition and behaviours?
asked
Jan 15
in
Psychology
1
answer
21
views
According to the third variable problem in correlational research, what does it refer to?
asked
Jan 15
in
Psychology
1
answer
31
views
What is semantic memory?
asked
Jan 14
in
Psychology
1
answer
15
views
What term means that only molecules or ions of a certain size, shape, polarity or charge are capable of passing through the material?
answered
Jan 8
in
Science
1
answer
25
views
What is the term for when clumped solids sink to the bottom of the water?
answered
Jan 7
in
Science
1
answer
24
views
What is a wall of rocks or concrete called?
answered
Jan 6
in
Science
1
answer
21
views
What catalyzes the hydrolysis of amino acids from the n-terminal end of a protein?
asked
Jan 6
in
Science
1
answer
29
views
Water plus other substances makes what?
answered
Jan 2
in
Science
1
answer
41
views
The three segments of arthropods are the head, thorax and what?
asked
Jan 2
in
Science
1
answer
33
views
Magma can be created when temperature rises, pressure lowers, or what else is added?
asked
Dec 31, 2024
in
Science
1
answer
30
views
Joules and calories are the units of what?
answered
Dec 31, 2024
in
Science
1
answer
22
views
An increase in the body's cholesterol levels can lead to your arteries filling with what?
answered
Dec 30, 2024
in
Science
1
answer
7
views
All cells need what for energy?
asked
Dec 30, 2024
in
Science
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