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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
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6 days
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ThermoChemistry
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Compute the electronic band structure, density of states, and optical properties (absorption spectrum, reflectivity, and refractive index) of a graphene sheet using Density Functional Theory (DFT) calculations. Compare the results with experimental measurements and discuss the discrepancies observed, if any.
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Feb 3
in
Computational Chemistry
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49
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Calculate the heat of mixing when 50 mL of 0.1 M HCl is mixed with 50 mL of 0.1 M NaOH at 25°C. The heat of neutralization for HCl and NaOH is -57.5 kJ/mol.
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Jan 23
in
ThermoChemistry
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Who created the PERMA model?
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Jan 20
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Psychology
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21
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What is cultural safety?
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Jan 17
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Psychology
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32
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What is cognitive processing therapy?
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Jan 14
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Psychology
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9
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What is the process of changing something from a gas to a liquid?
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Jan 7
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Science
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42
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What is the main difference between eukaryotic and prokaryotic cells?
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Jan 7
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Science
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