Recent activity by TeresitaJack

1 answer 30 views

How can magnetic resonance spectroscopy help in the determination of the structure and properties of complex molecules in biological systems such as proteins, DNA, and RNA?

answered 8 hours ago in Physical Chemistry

1 answer 31 views

How can inadequate emphasis on chemical reactions and equations affect a student's understanding of chemistry concepts, and what steps can be taken to improve this emphasis in the classroom?

asked 9 hours ago in Chemical education

1 answer 39 views

Determine the enthalpy of adsorption for the reaction of hydrogen gas adsorbing onto a platinum surface, given that 2.00 g of hydrogen gas is adsorbed onto a 1.00 g platinum surface at 25°C and the pressure is 1 bar. The volume of the system is 1.00 L and the initial temperature of the platinum surface is also 25°C. Assume that the surface is in thermal equilibrium with the surroundings and that the gas behaves ideally.

asked 1 day ago in ThermoChemistry

1 answer 63 views

What is the concentration of copper ions in a given solution, using voltammetry as the quantification method?

asked 6 days ago in Analytical Chemistry

1 answer 46 views

How can capillary electrophoresis (CE) be used to determine the quantity of specific ions or molecules in a sample, and what are the factors that could affect the accuracy and reproducibility of the CE analysis results?

asked Jan 29 in Analytical Chemistry

1 answer 53 views

Balance the chemical equation for the combustion of propane (C3H8) in the presence of oxygen (O2) to produce carbon dioxide (CO2) and water (H2O).

answered Jan 22 in Chemical reactions

1 answer 23 views

What is the difference between internal and external validity?

asked Jan 14 in Psychology

1 answer 6 views

What is the etymology of the term 'obsessive-compulsive disorder'?

answered Jan 14 in Psychology

1 answer 6 views

Which vertebrae carry the greatest amount of body weight and are thus characterized by the large size and thickness of the vertebral body?

asked Jan 8 in Science

1 answer 30 views

What shape is each face of a tetrahedron?

asked Jan 7 in Science

1 answer 22 views

What distant and extraordinarily energetic objects now seem to be early stages of galactic evolution with a supermassive black-hole-devouring material?

answered Jan 6 in Science

1 answer 58 views

What are the key to species evolving?

answered Jan 3 in Science

1 answer 20 views

Algae is a promising alternative to traditional crops for what type of fuels?

asked Dec 30, 2024 in Science

1 answer 21 views

What is the change of state from a gas to a liquid?

answered Dec 28, 2024 in Science

1 answer 7 views

In drosophila, gradients of morphogens encoded by maternal effect genes determine what?

answered Dec 27, 2024 in Science

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