Recent activity by BebeU6023107

1 answer 27 views

How can chemistry students effectively learn and understand laboratory techniques and concepts with limited access to laboratory equipment and facilities?

asked 22 hours ago in Chemical education

1 answer 72 views

How do bioluminescent organisms such as fireflies and jellyfish use photochemistry to produce light? What are the specific photochemical properties and reactions that occur within these organisms' cells to generate bioluminescence? How can this knowledge of photochemistry in bioluminescent organisms be applied in the development of new bioluminescent materials or technologies?

asked 5 days ago in PhotoChemistry

1 answer 55 views

How can gas chromatography be used to determine the composition and concentration of different organic compounds in a given mixture?

asked Jan 29 in Analytical Chemistry

1 answer 42 views

Calculate the heat released when 50 ml of 0.1 M HCl is neutralized with 50 ml of 0.1 M NaOH, assuming that the specific heat capacity of the mixture is 4.18 J/g°C and the density of the final solution is 1.0 g/mL.

answered Jan 23 in ThermoChemistry

1 answer 58 views

A 50 mL solution of 0.1 M Cu(NO3)2 was electrolyzed for 20 minutes. During this time, a current of 0.5 A was passed through the solution. What is the final concentration of Cu2+ ions in the solution after the electrolysis?

asked Jan 22 in ElectroChemistry

1 answer 82 views

What is the oxidation product of 2-methyl-1-propanol using Jones' reagent, and what is the mechanism of the reaction?

answered Jan 21 in Organic Chemistry

1 answer 43 views

Who should be involved in community psychology initiatives?

answered Jan 20 in Psychology

1 answer 17 views

What is testability?

asked Jan 15 in Psychology

1 answer 13 views

Who proposes that people can experience chronic grief?

answered Jan 15 in Psychology

1 answer 42 views

When what element - whose name means "light bringing" - was first isolated, scientists noted that it glowed in the dark and burned when exposed to air?

answered Jan 8 in Science

1 answer 102 views

What precious resource allows us to grow food as well as materials we turn into clothing and medicine?

answered Jan 7 in Science

1 answer 11 views

What is the term for an expression showing the relationship of the reaction rate to the concentrations of each reactant?

answered Jan 7 in Science

1 answer 40 views

What is never lost and just changes forms?

asked Jan 6 in Science

1 answer 22 views

The release of an egg from an ovary, is part of what cycle?

answered Jan 2 in Science

1 answer 18 views

The major component of what cellular structures is the phospholipid bilayer?

asked Jan 2 in Science

1 answer 33 views

Oxygen has the second highest electronegativity of any element; consequently, it prefers to share or accept electrons from other elements. only with fluorine does oxygen form compounds in this?

asked Dec 31, 2024 in Science

1 answer 27 views

Misconceptions about what theory contribute to the controversy that still surrounds this fundamental principle of biology?

asked Dec 31, 2024 in Science

1 answer 46 views

During photosynthesis, what is energy from the sun converted to after entering a plant?

answered Dec 30, 2024 in Science

1 answer 18 views

Dew point is the temperature at which what occurs?

answered Dec 30, 2024 in Science

1 answer 27 views

Cardiac veins parallel the small cardiac arteries and generally drain into what sinus?

answered Dec 30, 2024 in Science

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