Questions by ErnestineScr

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1 answer 24 views

What is the coordination number and geometry of the complex [Eu(en)₂(NO₃)₃] where Eu is europium, en is ethylenediamine, and NO₃ is nitrate ion? Also, explain the spectroscopic properties associated with europium in the complex.

asked Feb 19 in Coordination Chemistry

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1 answer 34 views

How does the breakdown of fatty acids in adipose tissue contribute to the transport of lipids throughout the body?

asked Feb 18 in BioChemistry

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1 answer 37 views

How do surface-active agents in detergents and cleaning agents affect surface tension and interfacial tension in aqueous solutions, and how does this impact their effectiveness in removing oil and grease from surfaces?

asked Feb 17 in Surface Chemistry

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1 answer 62 views

What is the effect of doping with various elements on the critical temperature and critical magnetic fields in superconducting materials?

asked Feb 12 in Materials Chemistry

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1 answer 55 views

How can we design an efficient and environmentally friendly system for the recovery of valuable metals, such as gold, silver, copper and palladium, from electronic waste that minimizes harmful waste and reduces energy consumption?

asked Feb 12 in Chemical engineering

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1 answer 64 views

How does cholesterol affect the fluidity of cellular membranes and why is this important for cellular function?

asked Feb 12 in BioChemistry

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1 answer 84 views

Calculate the standard enthalpy change for the fusion reaction of solid sodium chloride (NaCl) at 25°C, given the following information: ΔHf°[NaCl(s)] = -411 kJ/molΔHf°[Na(s)] = 108 kJ/molΔHf°[Cl2(g)] = 0 kJ/mol The balanced chemical equation for the fusion reaction of NaCl is:NaCl(s) → Na(s) + 1/2Cl2(g)

asked Feb 3 in Chemical thermodynamics

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1 answer 95 views

How can X-ray diffraction be used to determine the exact composition and crystal structure of an unknown inorganic sample and what are the main factors that affect the accuracy of the analysis?

asked Jan 30 in Analytical Chemistry

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1 answer 103 views

A student wants to produce aluminum oxide (Al2O3) in the lab. Write a balanced chemical equation for the reaction between aluminum and oxygen gas to form aluminum oxide. Calculate how many grams of Al2O3 can be produced from 25 grams of aluminum reacting with excess oxygen gas.

asked Jan 22 in Inorganic Chemistry

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1 answer 9.0k views

According to the gestalt approach to problem-solving, why are insight problems difficult to solve?

asked Jan 17 in Psychology

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1 answer 65 views

Please discuss the strengths and weaknesses of correlational research methods.

asked Jan 17 in Psychology

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1 answer 40 views

According to the diathesis-stress model, how do genetic predispositions and environmental stressors interact in the development of PTSD?

asked Jan 17 in Psychology

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1 answer 32 views

Why is it important to consider individual differences when evaluating psychological theories?

asked Jan 16 in Psychology

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1 answer 72 views

What is the generalisability of a study?

asked Jan 16 in Psychology

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1 answer 66 views

What is the difference between a tic and a compulsion?

asked Jan 16 in Psychology

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1 answer 90 views

What paired organs that are part of the urinary system play the prime role in excretion?

asked Jan 7 in Science

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1 answer 45 views

What is the common measure of how hot or cold something is?

asked Jan 6 in Science

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1 answer 49 views

What effect occurs when a population suddenly gets much smaller, due to natural disaster or other cause?

asked Jan 6 in Science

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1 answer 40 views

What are tiny, hair like projections?

asked Jan 6 in Science

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1 answer 41 views

What are the organized instructions within dna for making proteins called?

asked Jan 6 in Science

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