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Determine the equilibrium constant (Kc) for the reaction 2NO(g) + O2(g) ⇌ 2NO2(g) if the initial concentration of NO is 0.15 M, O2 is 0.10 M and NO2 is 0.30 M at equilibrium.
asked
Feb 4
in
Chemical reactions
by
FinleySalern
(
1.6k
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0
votes
1
answer
65
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Determine the equilibrium constant (Kc) for the following reaction at a temperature of 298 K if the concentrations of reactants and products are [CO] = 0.10 M, [H2] = 0.20 M, and [CH3OH] = 0.05 M:CO(g) + 2H2(g) ↔ CH3OH(g)
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Feb 4
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Physical Chemistry
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MarianCocket
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0
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1
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41
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Determine the equilibrium constant (Kc) for the chemical reaction: 2 SO2(g) + O2(g) ⇌ 2 SO3(g)Given that at a certain temperature, the concentrations of SO2, O2, and SO3 are 0.25 M, 0.15 M, and 0.40 M, respectively, at equilibrium.
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Feb 4
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Chemical thermodynamics
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JanisMontane
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1
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35
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Determine the equilibrium concentrations of reactants and products for the reaction 2H2(g) + O2(g) ⇌ 2H2O(g) at 500K when initial concentrations of H2 and O2 are 0.2M and 0.1M respectively, and the equilibrium constant (Kc) is 4.67 x 10^3.
asked
Feb 4
in
Chemical equilibrium
by
FranziskaEve
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1.9k
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0
votes
1
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70
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Determine the entropy change for the combustion of methane gas (CH4) at constant pressure and 298 K. Given the standard molar entropy values are: S°(CH4) = 186 J/mol.K, S°(O2) = 205 J/mol.K, S°(CO2) = 214 J/mol.K and S°(H2O) = 188 J/mol.K.
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Feb 4
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Chemical thermodynamics
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MaximoVardon
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1.9k
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0
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1
answer
48
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Determine the enthalpy of hydrolysis for sodium acetate (NaC2H3O2) given that the enthalpy of neutralization for acetic acid (HC2H3O2) and sodium hydroxide (NaOH) is -55.9 kJ/mol and the heat of formation for NaC2H3O2 is -382.7 kJ/mol.
asked
Feb 4
in
ThermoChemistry
by
EmilyUtley95
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1.9k
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0
votes
1
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41
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Determine the enthalpy of desorption for carbon dioxide from activated charcoal at 25°C. Given: the equilibrium pressure of CO2 is 0.1 atm and the mass of charcoal used is 2.5 g.
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Feb 4
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ThermoChemistry
by
JewelSchaffe
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1
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57
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Determine the enthalpy of adsorption for the reaction of hydrogen gas adsorbing onto a platinum surface, given that 2.00 g of hydrogen gas is adsorbed onto a 1.00 g platinum surface at 25°C and the pressure is 1 bar. The volume of the system is 1.00 L and the initial temperature of the platinum surface is also 25°C. Assume that the surface is in thermal equilibrium with the surroundings and that the gas behaves ideally.
asked
Feb 4
in
ThermoChemistry
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AlishaGuy35
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2.5k
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0
votes
1
answer
69
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Determine the enthalpy change of precipitation for the reaction between 50ml of 0.1M sodium sulfate and 50ml of 0.1M barium nitrate, given that the final temperature is 25°C and the initial temperature was 30°C. The specific heat capacity of the solution is 4.18 J/g °C and the density is 1 g/mL. (Assume the reaction goes to completion and all volumes are additive.)
asked
Feb 4
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ThermoChemistry
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BFFRachelle
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1.8k
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0
votes
1
answer
51
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Determine the enthalpy change of precipitation for the reaction between 50 mL of 0.1 M NaOH and 50 mL of 0.1 M CuSO4, given that the final solution has a temperature of 25°C and the specific heat capacity of the solution is 4.18 J/g·°C.
asked
Feb 4
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ThermoChemistry
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LavernEcm901
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0
votes
1
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57
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Determine the enthalpy change for the oxidation of 2 moles of iron (Fe) to form iron oxide (FeO) using the following data: Fe + 1/2 O2 → FeO ΔH = -65.0 kJ/mol 4 Fe + 3 O2 → 2 Fe2O3 ΔH = -1648.6 kJ/mol
asked
Feb 4
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ThermoChemistry
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RenaCastella
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1.7k
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0
votes
1
answer
50
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Determine the empirical formula of a compound containing 36.5% sodium, 38.1% chlorine, and 25.4% oxygen by mass.
asked
Feb 4
in
Inorganic Chemistry
by
NoeMorales5
(
1.9k
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0
votes
1
answer
44
views
Determine the electronic structure and binding energy of a ruthenium-based transition metal complex using ab initio calculations, and discuss the potential reactivity of this complex in various chemical environments.
asked
Feb 4
in
Computational Chemistry
by
DanieleLane
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1.6k
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0
votes
1
answer
54
views
Determine the crystal structure of a compound with the empirical formula C6H12O6, given its X-ray diffraction pattern.
asked
Feb 4
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Physical Chemistry
by
KrystleFarth
(
1.7k
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0
votes
1
answer
51
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Determine the crystal field splitting energy for a coordination compound with a tetrahedral geometry, given the following information: the metal ion has six d electrons, the ligand field splitting parameter (Δtetrahedral) is 4000 cm⁻¹, and the compound's absorption spectrum shows a strong absorption band at 600 nm.
asked
Feb 4
in
Coordination Chemistry
by
LucieGriego4
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2.1k
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0
votes
1
answer
45
views
Determine the critical micelle concentration of the sodium dodecyl sulfate (SDS) in water by plotting the surface tension of SDS solutions at different concentrations.
asked
Feb 4
in
Surface Chemistry
by
ElviaU45322
(
2.2k
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0
votes
1
answer
62
views
Determine the corrosion current density of a copper plate in a 0.1 M NaCl solution at 25°C, given that the corrosion potential of the copper plate in the solution is -0.54 V vs. the standard hydrogen electrode (SHE) and the Tafel slope for copper in the solution is 120 mV/decade.
asked
Feb 4
in
ElectroChemistry
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LynwoodLundg
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1.5k
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0
votes
1
answer
42
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Determine the concentration of copper ions in a copper sulfate solution by constructing an electrochemical cell and measuring its voltage using a standard hydrogen electrode.
asked
Feb 4
in
Physical Chemistry
by
AmeliaCuella
(
1.8k
points)
0
votes
1
answer
43
views
Determine the bond order of the molecule N2 using molecular orbital theory and predict whether the molecule is paramagnetic or diamagnetic.
asked
Feb 4
in
Chemical bonding
by
MeganAndrzej
(
2.0k
points)
0
votes
1
answer
61
views
Determine the bond order of the molecule CO using molecular orbital theory. Show all the molecular orbital diagrams and explain why the molecule is or is not expected to be stable.
asked
Feb 4
in
Chemical bonding
by
PDQJenifer7
(
2.0k
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