Questions by EddieWhittin

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1 answer 28 views

Determine the standard enthalpy of formation for ammonium chloride (NH4Cl) using Hess's Law and the following given reactions: 1) N2(g) + 3H2(g) → 2NH3(g) ΔH° = -46.0 kJ/mol 2) NH3(g) + HCl(g) → NH4Cl(s) ΔH° = -176.2 kJ/mol 3) N2(g) + 2H2(g) + 2Cl2(g) → 2NH4Cl(s) ΔH° = -634.2 kJ/mol

asked 1 day ago in ThermoChemistry

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1 answer 51 views

How can capillary electrophoresis be used to determine the composition of a water sample taken from a polluted river?

asked Jan 29 in Analytical Chemistry

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1 answer 44 views

What is the main criticism of the cross-cultural approach to psychology?

asked Jan 20 in Psychology

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1 answer 53 views

What is electroconvulsive therapy (ECT)?

asked Jan 14 in Psychology

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1 answer 20 views

Where is most of the cell's dna contained?

asked Jan 8 in Science

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1 answer 31 views

What three forms does frozen precipitation take?

asked Jan 8 in Science

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1 answer 27 views

What do mitochondrions have an inner and outer version of?

asked Jan 6 in Science

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1 answer 25 views

The renal hilum is the entry and exit site for structures servicing which organs?

asked Jan 2 in Science

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1 answer 35 views

The concentration of hydrogen ions in a solution is called?

asked Dec 31, 2024 in Science

0 votes

1 answer 52 views

In an atom, what is determined by electron distribution in shells?

asked Dec 27, 2024 in Science

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