Questions by Bernice06378

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1 answer 18 views

How do the photochemical properties of R- and S-enantiomers differ from each other and how can these differences be utilized in photodriven processes such as chiral synthesis or resolution?

asked 5 days ago in PhotoChemistry

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1 answer 27 views

What is the most efficient catalyst to use in the synthesis of polyethylene terephthalate from terephthalic acid and ethylene glycol, and how does varying the amount of catalyst affect the yield and quality of the final product?

asked 6 days ago in Chemical synthesis

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1 answer 18 views

What is the enthalpy of vaporization of water at 100°C if it requires 40.7 kJ of energy to vaporize 1 mole of water?

asked Feb 20 in ThermoChemistry

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1 answer 29 views

What is the effect of the molecular weight and polymer chain structure on the electrical conductivity of conductive polymers for use in flexible electronics?

asked Feb 20 in Materials Chemistry

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1 answer 31 views

How does the composition of landfill leachate impact the quality of groundwater in the surrounding area, and what are the specific chemicals and pollutants present in the leachate that cause the most significant harm to the groundwater?

asked Feb 18 in Environmental Chemistry

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1 answer 37 views

What are the possible consequences of inadequate preparation for chemistry-related careers in terms of job opportunities, salary, and job satisfaction?

asked Feb 13 in Chemical education

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1 answer 22 views

How can we design drugs that specifically target and bind to the active site of the enzyme responsible for a particular disease, while avoiding off-target effects on other enzymes or receptors in the body?

asked Feb 12 in Medicinal Chemistry

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1 answer 35 views

How can crystallography and knowledge of crystal structures be used to determine the purity of a particular substance?

asked Feb 5 in Physical Chemistry

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1 answer 40 views

Determine the bond dissociation energy of methane (CH4) using the following data: Reaction: CH4(g) → C(g) + 4H(g)ΔH°f (kJ/mol): CH4(g) = -74.81C(g) = 715.32H(g) = 218.00Hint: bond dissociation energy can be calculated using the formula ΔH°rxn = Σ (ΔH°f, products) - Σ (ΔH°f, reactants)

asked Feb 4 in ThermoChemistry

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1 answer 79 views

A chemistry student must calculate the boiling point of a solution composed of 10 g of glucose (C6H12O6) dissolved in 100 g of water at 1 atm pressure. The boiling point elevation constant for water (Kb) is equal to 0.512°C/m, and the normal boiling point of pure water is 100°C.

asked Jan 22 in Physical Chemistry

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1 answer 60 views

Where was Asch's conformity experiment conducted?

asked Jan 20 in Psychology

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1 answer 29 views

Why is meta-analysis useful in psychology research?

asked Jan 20 in Psychology

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1 answer 36 views

What is the affective approach to attitudes?

asked Jan 20 in Psychology

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1 answer 43 views

How is the correlation coefficient calculated?

asked Jan 15 in Psychology

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1 answer 47 views

What is the main criticism of the MMPI?

asked Jan 13 in Psychology

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1 answer 41 views

What term means anything that is detected either through human senses or with instruments and measuring devices that extend human senses?

asked Jan 8 in Science

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1 answer 42 views

What part of the plant holds the plant upright?

asked Jan 7 in Science

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1 answer 39 views

What color light is actually the absence of electromagnetic waves in the visible spectrum, for humans?

asked Jan 6 in Science

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1 answer 39 views

Visible light can be split into colors with the use of a what?

asked Jan 2 in Science

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1 answer 78 views

The first period of the paleozoic era was called what?

asked Jan 2 in Science

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