Questions by AdelaideDunn

0 votes

1 answer 24 views

What is the most efficient and cost-effective method for synthesizing cadmium selenide (CdSe) quantum dots with controlled size and shape using green chemistry principles?

asked 5 days ago in Materials Chemistry

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1 answer 8 views

How does the molecular weight of a polymer affect its rheological properties in the molten state?

asked 5 days ago in Polymer Chemistry

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1 answer 6 views

What is the concentration of a specific pesticide residue (e.g. chlorpyrifos) in a certain type of fruit (e.g. apples) that poses a potential health risk to humans, and what environmental factors may influence the levels of this residue in the fruit?

asked Feb 18 in Environmental Chemistry

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1 answer 34 views

Calculate the standard enthalpy change for the reaction of [Co(H2O)6]2+(aq) with 2 Cl-(aq) to form [CoCl4]2-(aq) and 6 H2O(l) at a temperature of 298 K. Given the following thermodynamic data:[Co(H2O)6]2+(aq) + 4 Cl-(aq) → [CoCl4]2-(aq) + 6 H2O(l) ΔH°= -98.7 kJ mol-1[Co(H2O)6]2+(aq) + 2 Cl-(aq) → [CoCl4]2-(aq) + 4 H2O(l) ΔH°= -65.5 kJ mol-1Assume that the enthalpy of hydration for Cl- (aq) is -364 kJ mol-1.

asked Feb 3 in Chemical thermodynamics

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1 answer 98 views

What is the probability of the formation of HCl from H2 and Cl2 gases in a gas-phase reaction at a temperature of 298 K and a pressure of 1 atm, using Monte Carlo simulations?

asked Jan 31 in Computational Chemistry

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1 answer 82 views

How can a chemical engineer design a system for the safe storage and transportation of hazardous chemicals, taking into account factors such as chemical compatibility, transportation regulations, and emergency response procedures?

asked Jan 30 in Chemical engineering

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1 answer 22 views

According to Rogers, why do individuals experience psychological distress?

asked Jan 16 in Psychology

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1 answer 80 views

According to the self-determination theory, what is autonomy?

asked Jan 16 in Psychology

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1 answer 79 views

What is the sociocultural theory of eating disorders?

asked Jan 15 in Psychology

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1 answer 38 views

What is retrieval?

asked Jan 14 in Psychology

0 votes

1 answer 63 views

What is the main goal of solution-focused brief therapy?

asked Jan 14 in Psychology

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1 answer 37 views

How do neurotransmitters differ from hormones?

asked Jan 14 in Psychology

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1 answer 78 views

What is the concept of 'thought-action fusion' in OCD?

asked Jan 13 in Psychology

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1 answer 41 views

What is the nature vs nurture debate?

asked Jan 13 in Psychology

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1 answer 39 views

What is ego psychology?

asked Jan 13 in Psychology

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1 answer 35 views

What is the difference between the reliability and validity of a research method?

asked Jan 10 in Psychology

0 votes

1 answer 46 views

Which common element is the most found in living organisms?

asked Jan 8 in Science

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1 answer 38 views

What system plays a critical role in the regulation of vascular homeostasis?

asked Jan 7 in Science

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1 answer 37 views

What is the outer layer of an axon that acts like a layer of insulation, similar to the plastic that encases an electrical cord?

asked Jan 7 in Science

0 votes

1 answer 52 views

What is a controlled scientific test that often takes place in a lab?

asked Jan 6 in Science

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