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What is the percent yield of a reaction if 5.5 grams of product were obtained from the reaction of 7.8 grams of reactant and the theoretical yield of the product is 9.2 grams?
asked
Feb 22
in
Chemical reactions
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votes
1
answer
25
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What is the most efficient and cost-effective process to produce 1 ton of methanol using syngas as the starting material?
asked
Feb 21
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Chemical engineering
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1
answer
27
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How does the molecular structure and size of a system affect its quantum transport properties, and what are the underlying chemical principles involved?
asked
Feb 21
in
Quantum Chemistry
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1
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26
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What is the mechanism of Electrophilic addition reaction of water with propene, and what are the products formed?
asked
Feb 20
in
Organic Chemistry
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1
answer
34
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How can we design and implement an efficient and sustainable method for the disposal of hazardous industrial waste to minimize its impact on the environment?
asked
Feb 12
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Environmental Chemistry
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1
answer
43
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What is the difference between coordination polymers and metal-organic frameworks, and how do their properties differ? Provide examples of each type of compound and explain their potential applications in different fields of chemistry.
asked
Feb 12
in
Coordination Chemistry
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30
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How can the electrical conductivity of semiconductors be manipulated by doping with specific impurities and what is the effect of this on the properties of electronic devices such as transistors?
asked
Feb 7
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Materials Chemistry
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1
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39
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How can current teaching methods in chemistry be modified to better support students with learning disabilities, specifically dyslexia and dysgraphia, in understanding and retaining the material?
asked
Feb 5
in
Chemical education
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1
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118
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Calculate the surface area of a solid adsorbent material using BET theory, given that the mass of the adsorbent material is 2.5 g, the area occupied by each adsorbed layer is 15 Ų, the number of monolayers formed is 4, and the value of the BET constant is 0.05.
asked
Feb 3
in
Surface Chemistry
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74
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Calculate the standard enthalpy change for the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH) to form sodium chloride (NaCl) and water (H2O) when 50.0 mL of 1.0 M HCl reacts with 50.0 mL of 1.0 M NaOH at 25°C.
asked
Feb 3
in
Chemical thermodynamics
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1
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83
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Calculate the polarization of a copper-silver galvanic cell in which the concentration of copper ions is 0.5 M, the concentration of silver ions is 0.1 M, and the cell is operating at a temperature of 25°C. The potential difference of the cell is measured to be 0.75 V.
asked
Feb 3
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ElectroChemistry
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1
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82
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How does changing the volume affect the equilibrium position of a chemical reaction? Provide an example of a reaction and calculate the new equilibrium concentrations when the volume is decreased by a certain factor.
asked
Feb 3
in
Chemical equilibrium
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1
answer
102
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When does the lens of the eye change shape to focus on near objects?
asked
Jan 20
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Psychology
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1
answer
45
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According to the psychoanalytic theory, what are the defence mechanisms used to cope with anxiety?
asked
Jan 20
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Psychology
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1
answer
120
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How does groupthink affect decision-making within a group?
asked
Jan 17
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Psychology
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1
answer
83
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What is the role of context in discursive psychology?
asked
Jan 17
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Psychology
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1
answer
41
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What are the strengths of positivism?
asked
Jan 16
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Psychology
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1
answer
53
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According to the biological approach, how does genetics influence behaviour?
asked
Jan 16
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Psychology
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1
answer
48
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Where does discursive institutionalism draw from?
asked
Jan 15
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Psychology
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1
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162
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According to the situated cognition theory, how is cognition related to the environment?
asked
Jan 15
in
Psychology
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