Recent activity by RafaelaHuonD

1 answer 18 views

How can chemistry educators effectively incorporate safety protocols into the curriculum to ensure that students are adequately prepared to handle potentially hazardous materials and situations in the lab?

asked 1 day ago in Chemical education

1 answer 46 views

Determine the oxidation state of all elements in the following compound: CoCl<sub>2</sub>•6H<sub>2</sub>O.

asked 1 day ago in Inorganic Chemistry

1 answer 67 views

What is the concentration of copper (II) ions in a given sample of wastewater using the polarographic method, given the obtained peak current is 2.5 mA and the standard potential of Cu2+ → Cu transformation is -0.34 V, working at a pH of 4.5 with a scan rate of 50 mV/s?

asked 6 days ago in Analytical Chemistry

1 answer 41 views

Calculate the anodic Tafel slope for the following electrochemical reaction taking place at a platinum electrode:Fe2+(aq) + 2e- → Fe(s) Given that the exchange current density is 4.50 x 10^-4 A/cm^2 and the reaction rate constant for the reaction is 2.5 x 10^5 cm/s.

answered Jan 23 in ElectroChemistry

1 answer 60 views

What is the IUPAC name of the following organic compound: CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH3 Hint: This is a linear alkane with 10 carbon atoms.

answered Jan 21 in Organic Chemistry

1 answer 16 views

Why do evolutionary psychologists propose that certain cognitive processes are adaptive?

asked Jan 17 in Psychology

1 answer 6 views

According to the opponent-process theory, how does color vision work?

asked Jan 17 in Psychology

1 answer 25 views

Please compare the concept of 'ego ideal' in Erikson's theory versus that of 'self-actualization' in Abraham Maslow's theory.

answered Jan 17 in Psychology

1 answer 6 views

How can the evolutionary theory of development be evaluated?

answered Jan 16 in Psychology

1 answer 5 views

Who is responsible for the cognitive theory of depression?

answered Jan 16 in Psychology

1 answer 22 views

According to the self-determination theory, what is the difference between intrinsic and extrinsic motivation?

answered Jan 15 in Psychology

1 answer 7 views

What is the role of reflexivity in qualitative research?

asked Jan 15 in Psychology

1 answer 46 views

What is the cognitive approach to psychology?

answered Jan 13 in Psychology

1 answer 8 views

Which division of the autonomic nervous system controls processes like digestion, heartbeat, and breathing?

asked Jan 8 in Science

1 answer 29 views

Macrophages, which can swallow and destroy old and dying cells, bacteria, or viruses, are large types of what cells?

asked Dec 31, 2024 in Science

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