Recent activity by BryanBouldin

1 answer 26 views

How can chemistry educators improve the emphasis on practical applications of chemistry in the classroom to better prepare students for future careers in the field?

asked 1 day ago in Chemical education

1 answer 47 views

A chemistry student needs to determine the concentration of iron (III) ions in a water sample using spectrophotometry. The water sample contains an unknown amount of iron (III) ions that need to be quantified with a high degree of accuracy. The student has access to a spectrophotometer and an iron (III) ion standard solution to be used as a reference for the analysis. What is the concentration of iron (III) ions in the water sample?

answered Jan 22 in Analytical Chemistry

1 answer 22 views

What percentage of all species that ever lived on earth have gone extinct?

asked Jan 7 in Science

1 answer 54 views

Vertebrates are a subphylum of what phylum?

asked Jan 2 in Science

1 answer 51 views

Emissions of what gas into the atmosphere from fossil fuel burning have been rising for the past several decades?

answered Dec 30, 2024 in Science

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