Questions by Vern5918460

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1 answer 59 views

How do persistent organic pollutants (POPs) accumulate in the food chain and what are the potential health and environmental impacts of their accumulation?

asked Feb 14 in Environmental Chemistry

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1 answer 44 views

What is the basicity of methylamine (CH3NH2) in comparison to ammonia (NH3)? Use relevant theories and data to explain your answer.

asked Feb 13 in Organic Chemistry

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1 answer 38 views

What is the oxidation state of sulfur in the compound H2SO4 (sulfuric acid), and what is its change in oxidation state during the reaction as it is reduced to H2S (hydrogen sulfide) in a redox reaction with hydrogen gas?

asked Feb 13 in Chemical reactions

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1 answer 68 views

What is the effect of fiber orientation on the mechanical properties of carbon fiber-reinforced polymer composites used in the aerospace industry?

asked Feb 13 in Polymer Chemistry

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1 answer 92 views

How can the production system for surfactants be optimized to increase yield and reduce waste?

asked Feb 10 in Chemical engineering

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1 answer 36 views

How can the physical and chemical properties of polyurethane be optimized by modifying the diisocyanate and polyol used in the synthesis process?

asked Feb 10 in Chemical synthesis

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1 answer 35 views

How can quantum chemistry be applied to enhance the development of quantum computing technology? Specifically, what quantum algorithms are being developed in the study of quantum information processing, and how can they be optimized using quantum chemical simulations?

asked Feb 5 in Quantum Chemistry

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1 answer 62 views

Calculate the standard enthalpy of formation for propene (C3H6) given that the standard enthalpy of combustion of propene is -1411.1 kJ/mol and the standard enthalpy of formation of carbon dioxide (CO2) and water (H2O) are -393.5 kJ/mol and -285.8 kJ/mol respectively.

asked Feb 3 in Chemical thermodynamics

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1 answer 83 views

The problem for the student to solve could be: Using Nuclear Magnetic Resonance (NMR) spectroscopy, determine the molecular structure and functional group(s) present in an unknown organic compound with a molecular formula of C4H8O2.

asked Jan 30 in Analytical Chemistry

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1 answer 86 views

How does the operant conditioning theory explain behaviour?

asked Jan 20 in Psychology

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1 answer 15 views

Please compare the sensory and perceptual processes in sensation and perception.

asked Jan 20 in Psychology

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1 answer 96 views

Compare and contrast Piaget's and Vygotsky's theories of cognitive development. Please evaluate which theory is more applicable to real-world situations.

asked Jan 20 in Psychology

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1 answer 51 views

When does IQ testing become problematic?

asked Jan 20 in Psychology

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1 answer 144 views

How can descriptive statistics provide information about psychological variables?

asked Jan 17 in Psychology

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1 answer 37 views

Why do researchers use correlation analysis?

asked Jan 17 in Psychology

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1 answer 57 views

What is the relationship between culture and emotion?

asked Jan 14 in Psychology

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1 answer 85 views

What is the psychodynamic perspective?

asked Jan 13 in Psychology

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1 answer 48 views

What is object relations theory?

asked Jan 13 in Psychology

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1 answer 51 views

What term is used to describe muscle fibers that allows muscles to contract?

asked Jan 8 in Science

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1 answer 69 views

What structure supports the body, protects internal organs, produces blood cells, and maintains mineral homeostasis?

asked Jan 7 in Science

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