Questions by MaurineAbe9

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Calculate the standard enthalpy change for the following neutralization reaction where hydrochloric acid (HCl) reacts with sodium hydroxide (NaOH) to form sodium chloride (NaCl) and water (H2O).HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)Given the following tabulated standard enthalpies of formation values: ΔHf°(HCl) = -167 kJ/mol, ΔHf°(NaOH) = -469 kJ/mol, ΔHf°(NaCl) = -411 kJ/mol, ΔHf°(H2O) = -286 kJ/mol.

asked 2 days ago in Chemical thermodynamics

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1 answer 53 views

How can the concentration of an unknown substance in a sample be determined using spectrophotometry? Develop a step-by-step protocol for the student to follow in order to accurately quantify the amount of the substance in the sample.

asked Jan 29 in Analytical Chemistry

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1 answer 28 views

How could the nature-nurture debate relate to childhood development?

asked Jan 20 in Psychology

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1 answer 18 views

What is the threshold of hearing?

asked Jan 15 in Psychology

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1 answer 21 views

Why is political correctness important in psychology?

asked Jan 14 in Psychology

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1 answer 27 views

Noninfectious diseases can't be passed from one person to another. instead, these types of diseases are caused by factors such as environment, genetics and what?

asked Dec 31, 2024 in Science

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1 answer 42 views

How much unpolarized light does a polarized filter block?

asked Dec 30, 2024 in Science

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1 answer 9 views

What component of an organism, made up of many cells, in turn makes up an organ?

asked Dec 27, 2024 in Science

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