Recent activity by ChunAbe83692

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Calculate the wavelength of light that must be absorbed for an electron in a hydrogen atom to transition from the n=3 to n=2 energy level, using the equation for energy of a hydrogen atom: E = -13.6/n^2 eV and the Planck constant, h = 6.626 × 10^-34 J s.

answered 1 day ago in Quantum Chemistry

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How can gas chromatography be used to determine the composition of a mixture containing ethanol, methanol, and propanol?

answered Jan 29 in Analytical Chemistry

1 answer 52 views

Calculate the melting and boiling points of Sodium Chloride (NaCl) using the Clausius-Clapeyron Equation given that the heat of fusion for NaCl is 28.9 kJ/mol, the heat of vaporization is 163.0 kJ/mol and the standard entropy change for phase transition is 72.14 J/K/mol.

asked Jan 23 in Inorganic Chemistry

1 answer 23 views

According to Seligman's learned helplessness theory, what happens when people feel they have no control over a situation?

asked Jan 20 in Psychology

1 answer 18 views

According to the cognitive-behavioural model, what is the cause of eating disorders?

answered Jan 16 in Psychology

1 answer 28 views

What is the biosocial theory of sexual orientation?

answered Jan 15 in Psychology

1 answer 27 views

How does the left hemisphere of the brain differ from the right hemisphere?

asked Jan 14 in Psychology

1 answer 6 views

What is the 'Social Shaping of Technology'?

answered Jan 14 in Psychology

1 answer 24 views

What is the role of gender in teenage development?

answered Jan 13 in Psychology

1 answer 57 views

What type of energy is required in all chemical reactions?

asked Jan 8 in Science

1 answer 20 views

What is a group of lions called?

answered Jan 6 in Science

1 answer 26 views

What happens to the volume of a balloon when you add moles of gas to it by blowing up?

asked Jan 6 in Science

1 answer 44 views

The human skeleton is an endoskeleton that consists of 206 bones in the adult. it has five main functions: providing support to the body, storing minerals and lipids, producing blood cells, protecting internal organs, and this?

asked Jan 2 in Science

1 answer 47 views

Scrubbers and catalytic converters are examples of technologies that change what into harmless compounds?

answered Dec 31, 2024 in Science

1 answer 11 views

Lipids are organic compounds that consist of carbon, hydrogen, and?

answered Dec 31, 2024 in Science

1 answer 7 views

What two activities are especially important when a number of local populations are linked, forming a metapopulation?

asked Dec 27, 2024 in Science

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