Answers by AlexandriaCo

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Here's an example problem for the student to solve:When 0.10 moles of a weak acid HA are dissolved in 1.00 L of water, the pH of the resulting solution is measured to be 4.20. Calculate the equilibrium constant (Ka) for the dissociation of HA if the acid is known to be 10% ionized.

answered 1 day ago in Chemical equilibrium

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What does the bottom-up theory state?

answered Jan 15 in Psychology

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What are the components of a hypothesis?

answered Jan 14 in Psychology

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Why is evolutionary psychology important?

answered Jan 14 in Psychology

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Who wrote the book, on the origin of species?

answered Jan 8 in Science

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Which nerve directly stimulates the contraction of skeletal muscles in the pharynx and larynx to contribute to the swallowing and speech functions?

answered Jan 8 in Science

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38 views

What type of species can alternate between medusa and polyp forms?

answered Jan 8 in Science

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If a solution contains so much solute that its solubility limit is reached, the solution is said to be what?

answered Dec 30, 2024 in Science

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Competition with what emerging animal group may have led to extinction of cynodonts about 200 million years ago?

answered Dec 30, 2024 in Science

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Animal-like protists are called what?

answered Dec 30, 2024 in Science

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