Recent activity by RaleighTearl

1 answer 22 views

How can the efficiency of the emulsification process in the production of cosmetics be improved using chemical engineering principles?

answered 6 days ago in Chemical engineering

1 answer 89 views

A laboratory made a buffer solution by mixing 25 mL of 0.10 M acetic acid (Ka = 1.8 x 10^-5) with 15 mL of 0.20 M sodium acetate solution. Calculate the pH of the buffer solution assuming both the acid and the acetate ions are completely dissociated.

answered Jan 22 in Chemical reactions

1 answer 61 views

A chemistry student needs to determine the percent composition of nitrogen (N) in a sample of an unknown organic compound. Using elemental analysis, the student determines the mass of the sample to be 0.254 g and the mass of the products after combustion to be 0.727 g of CO2 and 0.298 g of H2O. What is the percent composition of nitrogen in the sample?

answered Jan 22 in Analytical Chemistry

1 answer 72 views

What is the balanced equation for the oxidation of ethanol to acetic acid, and what is the reducing agent in this reaction?

answered Jan 21 in Organic Chemistry

1 answer 8 views

How does the PERMA model relate to positive psychology?

asked Jan 20 in Psychology

0 answers 33 views

Who proposed the specificity theory?

asked Jan 16 in Psychology

1 answer 30 views

How can metapsychology be used to unify diverse psychological theories?

answered Jan 16 in Psychology

1 answer 25 views

How does the amygdala contribute to emotional processing?

answered Jan 15 in Psychology

1 answer 27 views

Which is the ultimate energy source in a bear's food chain?

answered Jan 8 in Science

1 answer 9 views

What type of change has occurred when a copper penny changes color?

asked Jan 8 in Science

...