Answers by AlycePulley2

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Calculate the standard heat of formation of water (H2O) using the bond dissociation energies of H2 and O2 and the standard heat of combustion of methane (CH4).

answered 2 days ago in Chemical bonding

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Calculate the heat of hydration for the compound sodium sulfate (Na2SO4) given that 3 moles of water are released when 1 mole of the compound dissolves in water. The enthalpy of solution for sodium sulfate is -138 kJ/mol, and the enthalpy of hydration for water is -286 kJ/mol.

answered Jan 23 in ThermoChemistry

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Why is memory significant in psychology?

answered Jan 15 in Psychology

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Nutrients the body needs in relatively large amounts are called what?

answered Dec 31, 2024 in Science

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How long ago did the ancestors of mammals evolve?

answered Dec 30, 2024 in Science

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As lava cools, tiny iron-rich crystals line up with earth’s what?

answered Dec 30, 2024 in Science

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