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User Lori71654888
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Answers by Lori71654888
0
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88
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What is the effect of increasing pressure on the rate of the reaction between hydrochloric acid and calcium carbonate?
answered
Feb 22
in
Chemical kinetics
0
votes
85
views
How does changing the concentration of reactants affect the rate of the chemical reaction between potassium permanganate and oxalic acid?
answered
Feb 22
in
Chemical kinetics
0
votes
83
views
How does the presence of a reaction product affect the rate of a chemical reaction? Provide a specific example and investigate the effect of different concentrations of the product on the rate of reaction.
answered
Feb 22
in
Chemical kinetics
0
votes
88
views
What is the crystal structure of diamond and how does it relate to its unique physical and chemical properties?
answered
Feb 19
in
Physical Chemistry
0
votes
90
views
How does the concentration of the reactants affect the rate of the chemical reaction and the overall yield of the product in the specific reaction between potassium iodide and hydrogen peroxide?
answered
Feb 19
in
Chemical kinetics
0
votes
79
views
What is the role of protein-protein interactions and complexes in the formation of enzymes and their catalytic activity? Provide examples of how such interactions contribute to the specificity and efficiency of enzyme activity.
answered
Feb 14
in
BioChemistry
0
votes
87
views
What is the effect of oxidative photodamage on the UV absorption properties of common sunscreen agents such as oxybenzone and avobenzone?
answered
Feb 14
in
PhotoChemistry
0
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102
views
What are the different modes of action of various organic ultraviolet (UV) filters used in sunscreen lotions and how do they protect the skin from harmful UV radiation?
answered
Feb 14
in
PhotoChemistry
0
votes
135
views
How has inadequate training for chemistry teachers impacted the quality of chemical education in schools, and what steps can be taken to improve teacher training to enhance the learning experience for the students?
answered
Feb 13
in
Chemical education
0
votes
178
views
What are the primary metabolic pathways for the drug ibuprofen in the body, and how do these pathways affect the drug's duration of action and potential side effects?
answered
Feb 13
in
Medicinal Chemistry
0
votes
104
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How can metabolomics and systems biology be used to identify metabolic pathways involved in drug metabolism and toxicity in the human body?
answered
Feb 6
in
BioChemistry
0
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164
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Calculate the vibrational frequencies and predict the infrared spectrum of methane (CH4) using quantum chemical methods.
answered
Feb 3
in
Quantum Chemistry
0
votes
151
views
What are the key material properties that make ceramics suitable for high-temperature applications, and how can these properties be optimized or improved through chemical and material design?
answered
Jan 31
in
Materials Chemistry
0
votes
134
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What is the isomeric relationship between butane and 2-methylpropane? Draw the structures for each of the isomers and explain the difference in their physical properties.
answered
Jan 31
in
Organic Chemistry
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149
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What is the standard enthalpy of formation (∆H°f) of ethane (C2H6) at room temperature (298K)? Use quantum chemistry calculations to determine the ∆H°f of ethane and compare it to literature values. Does your calculation agree with the literature values?
answered
Jan 31
in
Quantum Chemistry
0
votes
162
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How does the activation energy for an electron transfer reaction vary with temperature? What is the relationship between the rate constant and the activation energy of a redox reaction? How can we predict the direction of electron transfer in a redox reaction?
answered
Jan 30
in
Quantum Chemistry
0
votes
163
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A chemistry student needs to calculate the heat required to raise the temperature of 25.0 g of water from 25°C to 60°C, given that the specific heat capacity of water is 4.18 J/g°C.
answered
Jan 22
in
ThermoChemistry
0
votes
54
views
What is the behavioural perspective in psychology?
answered
Jan 20
in
Psychology
0
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59
views
What is the purpose of a Wilcoxon signed-rank test?
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Jan 17
in
Psychology
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204
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According to classical conditioning, what is the cause of phobias?
answered
Jan 16
in
Psychology
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