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0
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1
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19
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What is the effect of surface area on the rate of reaction between magnesium and hydrochloric acid?
asked
5 days
ago
in
Chemical kinetics
0
votes
1
answer
27
views
What is the effect of temperature on the reaction rate and safety of the reaction between hydrochloric acid and sodium thiosulphate, and how can this effect be used to control the reaction for improved safety?
asked
Feb 20
in
Chemical kinetics
0
votes
1
answer
29
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How does the concentration and type of surfactants in detergent affect the ability to remove oil-based stains from clothing?
asked
Feb 18
in
Surface Chemistry
0
votes
1
answer
28
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How does the change in energy of an electron during a redox reaction impact the overall reaction rate? Provide specific examples.
asked
Feb 18
in
Quantum Chemistry
0
votes
1
answer
31
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How does temperature affect the multilayer adsorption of gases onto solid surfaces predicted by the BET theory? Provide experimental evidence to support your answer.
asked
Feb 17
in
Surface Chemistry
0
votes
1
answer
30
views
What are the factors that influence the mechanical and thermal properties of ceramics used in high-temperature applications?
asked
Feb 14
in
Materials Chemistry
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1
answer
52
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Calculate the standard enthalpy change for the reaction: 2Fe(s) + 3/2O2(g) → Fe2O3(s), given that the standard enthalpy of formation for Fe2O3(s) is -824.2 kJ/mol, the standard enthalpy of formation for Fe(s) is 0 kJ/mol, and the standard enthalpy of formation for O2(g) is 0 kJ/mol.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
64
views
What type of intermolecular forces exist between two molecules of ethanol (C2H5OH) at room temperature and pressure?
asked
Jan 31
in
Chemical bonding
0
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1
answer
46
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Assuming that the student has knowledge about the harmonic oscillator model, the problem could be:Calculate the molecular vibrational frequencies and corresponding infrared spectra of a carbon monoxide (CO) molecule using the harmonic oscillator model. Given the following bond lengths and force constants:- Bond length of the CO bond in the ground state: 1.128 angstroms- Force constant of the CO bond in the ground state: 1880 N/m
asked
Jan 22
in
Quantum Chemistry
0
votes
1
answer
102
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A chemistry student wants to study the isomerism in coordination compounds through the structural formulas and their properties. Can you identify and compare the geometric and optical isomers for the coordination complex [Co(NH3)5Cl]2+? Also, determine whether the complex is chiral or achiral.
asked
Jan 22
in
Coordination Chemistry
0
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1
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70
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A chemistry student wants to determine the bond enthalpy of hydrogen gas (H2). They have access to an experimental setup which can be used to measure the enthalpy change of a chemical reaction. How can the student determine the bond enthalpy of H2 using this setup?
asked
Jan 22
in
Chemical bonding
0
votes
1
answer
44
views
Where did Edwin Boring conduct his research on sensory psychology?
asked
Jan 17
in
Psychology
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votes
1
answer
52
views
According to the biserial correlation coefficient, what type of data should one variable be?
asked
Jan 15
in
Psychology
0
votes
1
answer
14
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What is the placebo effect, and how does it affect pop-psychology?
asked
Jan 15
in
Psychology
0
votes
1
answer
37
views
How does the social identity theory explain prejudice against vulnerable populations?
asked
Jan 15
in
Psychology
0
votes
1
answer
47
views
What is the transference-countertransference dynamic in therapy?
asked
Jan 15
in
Psychology
0
votes
1
answer
45
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What is the difference between internal and external validity?
asked
Jan 14
in
Psychology
0
votes
1
answer
23
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What is decolonising psychology?
asked
Jan 14
in
Psychology
0
votes
1
answer
38
views
What is the name of the principle stating that objects that are close together will tend to be grouped together?
asked
Jan 13
in
Psychology
0
votes
1
answer
33
views
Which is the fourth planet from the sun?
asked
Jan 8
in
Science
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