Questions by ShanicePeele

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1 answer 95 views

What is the relationship between the molecular structure and the phase behavior of liquid crystal compounds? Provide concrete examples of liquid crystal compounds and how their molecular structure affects their phase behavior.

asked Feb 24 in Physical Chemistry

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1 answer 86 views

What is the balanced chemical equation for the preparation of 2,4-dichloronitrobenzene from nitrobenzene and chlorine gas?

asked Feb 22 in Chemical synthesis

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1 answer 77 views

How do the photochemical properties differ between bioluminescent organisms that emit green light versus those that emit blue light?

asked Feb 22 in PhotoChemistry

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1 answer 92 views

What is the effect of the molecular weight of the polymer on the efficiency of polymer-based photovoltaic materials?

asked Feb 21 in Polymer Chemistry

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1 answer 80 views

How does the addition of nanoclays affect the mechanical properties (such as tensile strength and modulus) of a polymer matrix in polymer nanocomposites?

asked Feb 17 in Polymer Chemistry

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1 answer 100 views

What is the pH of a solution that contains 0.1 M HCl (hydrochloric acid)? The acid dissociation constant (Ka) of HCl is 1.3 x 10^-6.

asked Feb 13 in Chemical reactions

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1 answer 110 views

How can the stability of a colloidal solution be affected by changing the pH of the system?

asked Feb 10 in Surface Chemistry

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1 answer 82 views

How can the properties of semiconductors be optimized for use in electronic devices such as solar cells and transistors?

asked Feb 10 in Materials Chemistry

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1 answer 128 views

How can the properties of a polymer-based biomaterial be optimized for a specific tissue engineering application?

asked Feb 10 in Polymer Chemistry

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1 answer 88 views

How can the inadequate training of chemistry teachers affect the learning and understanding of fundamental concepts in chemistry among high school students?

asked Feb 7 in Chemical education

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1 answer 112 views

How has the Clean Air Act affected air quality in the United States over the past decade?

asked Jan 31 in Environmental Chemistry

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1 answer 139 views

What are the main differences between addition polymerization and condensation polymerization, and how do these differences affect the properties of the resulting polymers? Provide examples of each type of polymerization and explain how their properties differ.

asked Jan 30 in Organic Chemistry

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1 answer 75 views

Calculate the Gibbs free energy change (ΔG) for the reaction below at 298 K given the following standard Gibbs free energy of formation data: 2H2(g) + O2(g) → 2H2O(l) ΔG°f (kJ/mol): H2(g) = 0 O2(g) = 0 H2O(l) = -237.14

asked Jan 23 in Chemical thermodynamics

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1 answer 66 views

What is visual acuity according to the perceptual learning theory?

asked Jan 20 in Psychology

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1 answer 75 views

When was the first study of bystander intervention published?

asked Jan 20 in Psychology

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1 answer 97 views

What was the aim of Milgram's obedience experiment?

asked Jan 20 in Psychology

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1 answer 50 views

What is Piaget's concrete operational stage?

asked Jan 20 in Psychology

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1 answer 257 views

What is the role of discourse in social constructionism?

asked Jan 17 in Psychology

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1 answer 216 views

Please evaluate the criticisms of Piaget's cognitive development theory?

asked Jan 16 in Psychology

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1 answer 60 views

According to the trait theory of personality, what are the five factors that determine an individual's personality?

asked Jan 15 in Psychology

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