Questions by ShavonneSalc

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1 answer 28 views

What is the effect of temperature on the surface tension of a lipid bi-layer in a biomembrane? Use surface tension measurements and analysis of fatty acid composition to determine the changes in the structure and properties of the biomembrane.

asked 6 days ago in Surface Chemistry

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1 answer 20 views

How does the drug-drug interaction between aspirin and warfarin affect blood clotting mechanisms in the body?

asked 6 days ago in Medicinal Chemistry

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1 answer 25 views

What is the balanced chemical equation for the combustion of methane gas (CH4) and what is the oxidation state of carbon in CH4 before and after the combustion reaction?

asked Feb 17 in Chemical reactions

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1 answer 22 views

How does the addition of nanoparticles affect the mechanical properties of polymers used in biomedical applications, such as implants or prosthetics?

asked Feb 17 in Materials Chemistry

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1 answer 40 views

How does excess phosphorus and nitrogen in water bodies contribute to eutrophication, and what are the potential negative effects on the aquatic ecosystem?

asked Feb 13 in Environmental Chemistry

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1 answer 37 views

What is the percentage purity of a given sample of aspirin when the melting point is determined to be 135°C? The literature melting point range for pure aspirin is 135-136°C.

asked Feb 12 in Analytical Chemistry

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1 answer 38 views

How can knowledge of pharmacogenetics be used to optimize drug therapy for individual patients in the treatment of cancer? Specifically, investigate the pharmacogenetics of common chemotherapy drugs and the genetic variations that can affect drug response and toxicity in cancer patients.

asked Feb 5 in Medicinal Chemistry

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1 answer 52 views

Calculate the standard enthalpy change for the following reaction at 298 K: 2NaHCO3(s) + MgCl2(aq) → MgCO3(s) + 2NaCl(aq) + H2O(l)Given the following standard enthalpies of formation: ΔHf°(NaHCO3) = -950.7 kJ/molΔHf°(MgCl2) = -641.8 kJ/molΔHf°(MgCO3) = -1128.2 kJ/molΔHf°(NaCl) = -411.2 kJ/molΔHf°(H2O) = -285.8 kJ/mol

asked Feb 3 in Chemical thermodynamics

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1 answer 42 views

Calculate the Gibbs free energy change for the following electrochemical reaction at 298 K:Mg(s) + 2H+(aq) → Mg2+(aq) + H2(g)Given:Standard Gibbs free energy change of formation of Mg2+: -466 kJ/molStandard Gibbs free energy change of formation of H+: 0 kJ/molStandard Gibbs free energy change of formation of H2: 0 kJ/molStandard Gibbs free energy change of formation of Mg: 0 kJ/mol

asked Jan 23 in ElectroChemistry

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1 answer 76 views

Compare the biological and environmental factors that contribute to human development.

asked Jan 20 in Psychology

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1 answer 36 views

When is the social judgement theory most applicable?

asked Jan 20 in Psychology

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1 answer 58 views

What was the aim of Zimbardo's prison experiment?

asked Jan 20 in Psychology

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1 answer 45 views

When might individuals experience a sense of numbness following a trauma?

asked Jan 17 in Psychology

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1 answer 38 views

Who coined the phrase 'nature vs. nurture'?

asked Jan 17 in Psychology

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1 answer 38 views

According to Gibson's ecological theory of perception, what is the role of affordances in perception?

asked Jan 17 in Psychology

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1 answer 28 views

According to Maslow's hierarchy of needs, when is a person motivated to fulfill their physiological needs?

asked Jan 17 in Psychology

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1 answer 45 views

What is abnormal about the brain activity of individuals with OCD?

asked Jan 15 in Psychology

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1 answer 27 views

What is testability?

asked Jan 15 in Psychology

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1 answer 67 views

How does the opponent-process theory explain colour vision?

asked Jan 15 in Psychology

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1 answer 47 views

What is the parental investment theory?

asked Jan 15 in Psychology

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