Questions by DebFannin623

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1 answer 30 views

How does the molecular weight of a polymer affect its viscosity and shear rate in a melt, and what implications does this have on industrial processes such as injection molding?

asked Feb 21 in Polymer Chemistry

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1 answer 29 views

What factors determine the efficiency of phosphorescent materials in converting light into long-lived emission, and how can these factors be optimized for various applications in optoelectronic devices?

asked Feb 20 in PhotoChemistry

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1 answer 42 views

What is the effect of increasing the pH of a redox reaction involving Fe2+ and MnO4- on the equilibrium position? Use the given balanced equation Fe2+ + MnO4- → Fe3+ + Mn2+ and explain your answer using Le Chatelier's Principle.

asked Feb 17 in Chemical equilibrium

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1 answer 31 views

How can the computational methods such as molecular modeling be utilized to predict the properties and behavior of a complex system of molecules? Specifically, how can we use molecular modeling to determine the stability and reactivity of a particular molecule or complex, and how reliable are these predictions compared to experimental results?

asked Feb 6 in Physical Chemistry

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1 answer 104 views

How do changes in concentrations of enzymes and substrates affect the rate of a metabolic pathway? Provide a detailed explanation using the glycolysis pathway as an example.

asked Jan 31 in BioChemistry

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1 answer 83 views

How do the electronic properties of a metallic nanoparticle change as its size decreases from bulk to the nanoscale, and how does this affect its optical properties, such as its absorption and scattering of light?

asked Jan 31 in Quantum Chemistry

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1 answer 107 views

What steps can be taken to improve the training of chemistry teachers and ensure a more effective learning experience for students?

asked Jan 30 in Chemical education

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1 answer 67 views

Calculate the corrosion rate of an iron rod with a surface area of 20 cm² that is connected to a copper plate with a surface area of 25 cm², immersed in a solution of 0.5 M copper sulfate, given that the measured current is 0.2 A.

asked Jan 23 in ElectroChemistry

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1 answer 81 views

What are the strengths of discursive psychology?

asked Jan 20 in Psychology

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1 answer 35 views

When does observational learning occur according to Bandura?

asked Jan 15 in Psychology

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1 answer 78 views

What is the name of the sixth stage in Erikson's theory of psychosocial development?

asked Jan 14 in Psychology

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1 answer 88 views

When cats mark their territory by rubbing their face against an object, they deposit chemicals released by what structures?

asked Jan 8 in Science

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1 answer 45 views

What is the name of the outer part of the adrenal gland located above the kidneys?

asked Jan 7 in Science

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1 answer 83 views

What is the disease where some alveoli of the lungs fill with fluid?

asked Jan 6 in Science

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1 answer 17 views

What is it that surrounds cells and serve to keep the insides separated from the outsides?

asked Jan 6 in Science

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1 answer 97 views

What does the body derive from the breakdown of the carbohydrate-containing foods and drinks we consume?

asked Jan 6 in Science

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1 answer 20 views

Scientific notation expresses a number as a what, times a power of 10?

asked Dec 31, 2024 in Science

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1 answer 73 views

Over 90% of the energy we use comes originally from what?

asked Dec 31, 2024 in Science

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1 answer 83 views

Centrioles are a very important part of what?

asked Dec 30, 2024 in Science

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1 answer 139 views

Bone marrow, the thymus gland, the spleen, and the tonsils are organs in what body system?

asked Dec 30, 2024 in Science

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