Questions by EdwardClayto

0 votes

1 answer 29 views

How can crystallography and knowledge of crystal structures be used to determine the purity of a particular substance?

asked 6 days ago in Physical Chemistry

0 votes

1 answer 75 views

A chemistry student wants to analyze a sample of wastewater from a local factory. They want to know the concentration of the pollutants from the wastewater before releasing it into the environment. The sample is collected in a 500 mL container. After performing the required tests, the student determines that the total dissolved solids (TDS) in the sample are 750 mg/L, and the concentration of NaCl in the sample is 150 mg/L. Calculate the mass of TDS and NaCl in the sample.

asked Jan 22 in Analytical Chemistry

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1 answer 51 views

What products are formed when bromoethane reacts with sodium hydroxide in a nucleophilic substitution reaction, and what type of mechanism does the reaction follow?

asked Jan 21 in Organic Chemistry

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1 answer 47 views

Please compare the trait and biological theories of personality.

asked Jan 20 in Psychology

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1 answer 28 views

When was the psychoanalytic theory proposed?

asked Jan 16 in Psychology

0 votes

1 answer 51 views

What is the midpiece of sperm packed with?

asked Jan 7 in Science

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1 answer 25 views

What do microbes use to make food?

asked Jan 6 in Science

0 votes

1 answer 22 views

Categorized based on how they produce their mrna using the baltimore classification method, what consist of a nucleic acid core surrounded by a protein capsid with or without an outer lipid envelope?

asked Dec 30, 2024 in Science

0 votes

1 answer 67 views

Which body system releases hormones that act on target cells to regulate development, growth, energy metabolism, reproduction, and many behaviors?

asked Dec 27, 2024 in Science

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