Questions by RWTIona27307

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1 answer 33 views

Calculate the standard enthalpy change for the reaction: 2Fe(s) + 3/2O2(g) → Fe2O3(s), given that the standard enthalpy of formation for Fe2O3(s) is -824.2 kJ/mol, the standard enthalpy of formation for Fe(s) is 0 kJ/mol, and the standard enthalpy of formation for O2(g) is 0 kJ/mol.

asked 2 days ago in Chemical thermodynamics

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1 answer 32 views

Calculate the standard enthalpy change for the precipitation reaction between lead(II) nitrate and sodium chloride to form lead(II) chloride and sodium nitrate. The balanced chemical equation for the reaction is:Pb(NO3)2 (aq) + 2NaCl (aq) → PbCl2 (s) + 2NaNO3 (aq)

asked 2 days ago in Chemical thermodynamics

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1 answer 28 views

Compare the different theories of motivation in psychology.

asked Jan 20 in Psychology

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1 answer 19 views

According to psychoanalysis, what is the id?

asked Jan 16 in Psychology

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1 answer 19 views

What is the limbic system?

asked Jan 14 in Psychology

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1 answer 25 views

What is the attraction of oppositely charged ions caused by electron transfer called?

asked Jan 6 in Science

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1 answer 35 views

Weathering is fundamental to the creation of what, which exists as a very thin layer over solid rock?

asked Jan 2 in Science

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1 answer 25 views

The measurement of the extent of something along its greatest dimension is its what?

asked Jan 2 in Science

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1 answer 61 views

A lake is an example of what type of biome?

asked Dec 28, 2024 in Science

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