Recent activity by VernLaporte

1 answer 22 views

How can the surface properties of a polymeric material be modified using plasma treatment?

answered 15 hours ago in Surface Chemistry

1 answer 21 views

How can the practical applications of chemistry be incorporated into the classroom to enhance the understanding and engagement of students with the subject?

answered 1 day ago in Chemical education

1 answer 34 views

Calculate the standard enthalpy change for the phase transition reaction from solid to liquid for a sample of substance X, given that the mass of the sample is 10 grams and the melting point of substance X is 50°C. The specific heat capacity of substance X is 2 J/g°C and the enthalpy of fusion for substance X is 50 J/g.

answered Feb 3 in Chemical thermodynamics

1 answer 67 views

What strategies can a student use to better understand complex chemical concepts, such as chemical bonding, equilibrium, or thermodynamics?

asked Jan 30 in Chemical education

1 answer 69 views

What is the concentration of each ion present in a mixture of chloride, nitrate, and sulfate ions using capillary electrophoresis?

asked Jan 30 in Analytical Chemistry

1 answer 63 views

How can the concentration of sodium ions in a given sample be quantified using potentiometry?

asked Jan 29 in Analytical Chemistry

1 answer 54 views

How can capillary electrophoresis be used to determine the amino acid composition of a protein sample?

answered Jan 29 in Analytical Chemistry

1 answer 19 views

Where is pragmatism particularly useful?

answered Jan 16 in Psychology

1 answer 19 views

According to the scatter plot, what does the clustering of data points indicate?

asked Jan 15 in Psychology

1 answer 48 views

What is self-serving bias?

answered Jan 13 in Psychology

1 answer 39 views

When lactose is absent, a repressor protein binds to what?

answered Jan 8 in Science

1 answer 33 views

What type of waves start when a source of energy causes a disturbance in the medium?

asked Jan 8 in Science

1 answer 9 views

What does sexual reproduction with gametes and fertilization produce?

answered Jan 6 in Science

1 answer 42 views

The purpose of scientific investigations generally is to test a what?

answered Jan 2 in Science

1 answer 13 views

Some mutations lead to new versions of proteins that help organisms adapt to changes in their environment and are essential for evolution to occur. what are these mutations known as?

answered Dec 31, 2024 in Science

1 answer 9 views

What is the term for the steep sloped side of a sand dune?

answered Dec 28, 2024 in Science

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