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User WhitneyCarey
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What is the effect of an increase in temperature on the ionization constant, Ka, of a weak acid with an initial concentration of 0.1 M and a pKa of 4.74? If the temperature is increased from 25°C to 35°C, what would be the new value for Ka?
asked
Feb 20
in
Chemical equilibrium
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1
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35
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What is the effect of varying concentration of reactants on the reaction rate and profitability of a chemical reaction?
asked
Feb 20
in
Chemical kinetics
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31
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How does the coordination environment of a metal ion in a metalloenzyme or metalloprotein affect its catalytic activity? Provide examples from at least three different metalloenzymes or metalloproteins and their respective substrates.
asked
Feb 19
in
Coordination Chemistry
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34
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What is the molecular geometry and polarity of sulfur dioxide (SO2)?
asked
Feb 14
in
Inorganic Chemistry
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63
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What are the photochemical properties and mechanisms behind the effectiveness of various sunscreen agents, and how do these properties prevent UV radiation from damaging the skin?
asked
Feb 14
in
PhotoChemistry
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1
answer
34
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What is the role of nitrogen oxides in the formation of smog and how does smog impact human respiratory health?
asked
Feb 14
in
Environmental Chemistry
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1
answer
34
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How can the photochemical degradation of pollutants in the environment be optimized using various photocatalytic materials and techniques?
asked
Feb 10
in
PhotoChemistry
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1
answer
35
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How can computer-aided drug design be utilized to develop new treatments for autoimmune diseases, focusing specifically on the design of small-molecule inhibitors that target key immune system signaling pathways?
asked
Feb 5
in
Medicinal Chemistry
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1
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42
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How can chemistry students be exposed to current research in the field when limited resources are available in their educational institution?
asked
Feb 4
in
Chemical education
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1
answer
107
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What is the mechanism of action of a newly developed drug for treating cardiovascular diseases and how does it differ from existing treatments?
asked
Jan 31
in
Medicinal Chemistry
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147
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How to identify the presence of lead and cadmium in a soil sample using X-ray fluorescence spectroscopy?
asked
Jan 30
in
Analytical Chemistry
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117
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A chemistry student needs to determine the enthalpy of oxidation of magnesium. For this, they need to conduct an experiment in which they react 1 gram of magnesium metal with excess hydrochloric acid of 2 moles concentration. They need to measure the temperature change that occurs during the reaction, which they will use to calculate the enthalpy of oxidation of magnesium. What is the enthalpy of oxidation of magnesium according to the student's experiment?
asked
Jan 22
in
ThermoChemistry
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1
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97
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According to the visual capture effect, what happens when auditory and visual information conflict?
asked
Jan 20
in
Psychology
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1
answer
98
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According to the cognitive appraisal theory, what is the role of cognitive appraisal in emotion regulation?
asked
Jan 20
in
Psychology
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1
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41
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What is the Leader-Member Exchange (LMX) Theory?
asked
Jan 16
in
Psychology
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1
answer
45
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What is the major criticism of Freud's psychoanalytic theory?
asked
Jan 15
in
Psychology
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1
answer
111
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What is the impact of sleep deprivation on cognitive function?
asked
Jan 14
in
Psychology
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1
answer
45
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What is the flynn effect?
asked
Jan 13
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Psychology
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1
answer
135
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Which system consists of organs that break down food and absorb nutrients such as glucose?
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Jan 8
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Science
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1
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18
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Where are the two tonsils located?
asked
Jan 8
in
Science
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