Recent activity by Staci6700611

1 answer 53 views

What is the percentage composition of carbon, hydrogen, and nitrogen in a sample of caffeine? Use elemental analysis to determine the answer.

answered 5 days ago in Analytical Chemistry

1 answer 46 views

A copper rod with a surface area of 5 cm² is coupled with an iron rod with a surface area of 10 cm² to form a galvanic cell. When the circuit is closed, the current flows for 2 hours and the weight loss of the iron rod was found to be 0.58 g. Determine the corrosion rate of the iron rod in millimeters per year (mm/yr) assuming a density of 7.86 g/cm³ for the iron.

asked Jan 22 in ElectroChemistry

1 answer 30 views

What are the implications of the self-determination theory for positive psychology?

answered Jan 20 in Psychology

1 answer 25 views

How can self-perception theory be used for attitude change?

answered Jan 20 in Psychology

1 answer 19 views

Why is consistency important in persuasion?

answered Jan 17 in Psychology

1 answer 19 views

What is iconic memory?

answered Jan 17 in Psychology

1 answer 20 views

What determines whether a one-tailed and a two-tailed test is used?

answered Jan 16 in Psychology

1 answer 22 views

While components of a mixture can be separated by physical means, the components of a pure substance can only be broken down through what means?

asked Jan 8 in Science

1 answer 48 views

When iron and sulfur are mixed together in a certain ratio and heated, what do they become?

asked Jan 8 in Science

1 answer 52 views

What method uses a retailer's coding method to catalog biological specimens in museums?

answered Jan 7 in Science

1 answer 24 views

Mammals generate heat primarily by maintaining a high rate of what?

asked Dec 31, 2024 in Science

1 answer 22 views

Athletes such as swimmers and bicyclists wear body suits in competition to minimize what forces?

answered Dec 27, 2024 in Science

1 answer 49 views

Because of its composition, oil does not do what in water?

answered Dec 27, 2024 in Science

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