Questions by MadgeLemberg

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1 answer 38 views

Calculate the standard enthalpy and entropy change for the reaction that occurs when 1 mole of Fe2O3 is formed from its elements in their standard state, using the following given data:Fe(s) + 1.5 O2(g) → Fe2O3(s) ΔH°f = -824.2 kJ/mol ΔS° = 87.4 J/mol·K

asked 2 days ago in Inorganic Chemistry

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1 answer 4 views

Calculate the percent composition of phosphoric acid, H3PO4.

asked 2 days ago in Inorganic Chemistry

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1 answer 22 views

According to Piaget, why do children engage in symbolic play?

asked Jan 16 in Psychology

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1 answer 18 views

What is REM sleep?

asked Jan 14 in Psychology

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1 answer 26 views

What system in both males and females consists of structures that produce reproductive cells, or gametes, and secrete sex hormone?

asked Jan 7 in Science

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1 answer 39 views

What is the process in which a liquid changes to a solid?

asked Jan 7 in Science

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1 answer 26 views

The chloroplast integrates the two stages of what process?

asked Dec 27, 2024 in Science

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