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What are the products formed in the reaction between sulfuric acid and potassium hydroxide? Write the balanced chemical equation for the reaction and predict whether it is an exothermic or endothermic process.
answered
Feb 22
in
Inorganic Chemistry
0
votes
23
views
How does the process of RNA polymerase binding to a promoter sequence on DNA impact the order of amino acids in a resulting protein during translation?
answered
Feb 22
in
BioChemistry
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votes
33
views
What is the optimal reaction conditions and catalyst for the synthesis of high molecular weight polystyrene with a desired molecular weight range of 100,000-500,000 g/mol from styrene monomer?
answered
Feb 21
in
Chemical synthesis
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30
views
How does the coordination chemistry of chelating agents influence their effectiveness in chelation therapy for heavy metal poisoning?
answered
Feb 19
in
Coordination Chemistry
0
votes
43
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What is the chemical composition and source of microplastics found in the stomach contents of marine organisms in a specific coastal region, and how does this pollution affect the organism's digestive system, metabolism, and overall health?
answered
Feb 18
in
Environmental Chemistry
0
votes
29
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How does the addition of titanium affect the mechanical properties of nickel-based superalloys for use in high-temperature aerospace applications?
answered
Feb 17
in
Materials Chemistry
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votes
33
views
What key events in the history and evolution of chemistry have led to the modern understanding of atomic theory, and how do these historical discoveries relate to current applications in fields such as nuclear energy and nanotechnology?
answered
Feb 14
in
Chemical education
0
votes
37
views
What is the effect of molecular chirality on the absorption and emission of light by chiral molecules?
answered
Feb 13
in
PhotoChemistry
0
votes
58
views
What is the role of metal ions in determining the electronic properties and reactivity of metalloporphyrins and metallophthalocyanines? Provide specific examples of metal ions and their effects on the properties of these compounds.
answered
Feb 13
in
Coordination Chemistry
0
votes
32
views
How can the design of a production system for lubricants in a chemical engineering plant be optimized to increase the efficiency of the process and minimize negative environmental impacts?
answered
Feb 7
in
Chemical engineering
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votes
73
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Calculate the value of standard enthalpy change for the sublimation of solid iodine at 25°C. The molar heat capacity of iodine (s) is 54.44 J/mol·K and its molar entropy of sublimation is 62.43 J/mol·K. The standard entropy of formation of iodine (s) is 62.80 J/mol·K.
answered
Feb 3
in
Chemical thermodynamics
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votes
73
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Calculate the standard enthalpy change for the vaporization of 10 grams of water at 100°C, given that the enthalpy of vaporization for water is 40.7 kJ/mol.
answered
Feb 3
in
Chemical thermodynamics
0
votes
97
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What is the percent composition of carbon, hydrogen, and nitrogen in a 10 gram sample of caffeine? Use elemental analysis to determine the answer.
answered
Jan 31
in
Analytical Chemistry
0
votes
140
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How does a change in reaction rate affect the equilibrium constant in a chemical reaction?
answered
Jan 30
in
Chemical kinetics
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76
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Calculate the heat of mixing when 25 grams of ethanol is added to 75 grams of water at 25°C. The heat of mixing of ethanol in water is -4.4 kJ/mol. Assume the densities of ethanol and water to be 0.789 g/mL and 1 g/mL, respectively, and the specific heat of the mixture to be 4.184 J/g°C.
answered
Jan 23
in
ThermoChemistry
0
votes
65
views
What is transference in counselling?
answered
Jan 20
in
Psychology
0
votes
48
views
According to Freud's theory, what are the three structural components of the human psyche?
answered
Jan 20
in
Psychology
0
votes
45
views
According to Pavlov, what is classical conditioning?
answered
Jan 17
in
Psychology
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votes
52
views
Where did Carl Rogers develop his person-centred approach to counselling?
answered
Jan 17
in
Psychology
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51
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How does evolutionary psychology distinguish between proximate and ultimate explanations?
answered
Jan 16
in
Psychology
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