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votes
1
answer
23
views
Calculate the standard enthalpy change of the following reduction reaction if the standard enthalpy of formation of FeO is -272.0 kJ/mol and that of Fe is 0 kJ/mol.FeO(s) + H2(g) → Fe(s) + H2O(l)
asked
4 days
ago
in
ThermoChemistry
by
RosalineStar
(
390
points)
0
votes
1
answer
21
views
Calculate the standard enthalpy change of the following chemical reaction at 298 K given the following bond energies: 2H2(g) + O2(g) --> 2H2O(l) Bond energies: H-H: 432 kJ/mol O=O: 498 kJ/mol O-H: 464 kJ/mol
asked
4 days
ago
in
Physical Chemistry
by
EthanC574154
(
310
points)
0
votes
1
answer
22
views
Calculate the standard enthalpy change of the dissolution reaction for 5.00 g of NaOH in 100 mL of water, given the molar heat of solution of NaOH as -44.5 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
KingP6198366
(
410
points)
0
votes
1
answer
31
views
Calculate the standard enthalpy change of reduction for the reaction: Fe2O3(s) + 3H2(g) -> 2Fe(s) + 3H2O(l) Given: Standard enthalpy of formation (ΔHf°) of Fe2O3(s) = -822 kJ/mol Standard enthalpy of formation (ΔHf°) of H2O(l) = -286 kJ/mol Standard enthalpy of fusion (ΔHfus) of Fe(s) = 13.81 kJ/mol Standard enthalpy of vaporization (ΔHvap) of H2(g) = 0.449 kJ/mol Standard enthalpy of formation (ΔHf°) of H2(g) = 0 kJ/mol
asked
4 days
ago
in
ThermoChemistry
by
QuinnSwank82
(
410
points)
0
votes
1
answer
22
views
Calculate the standard enthalpy change of reduction for the following reaction: Cu2+(aq) + 2e- -> Cu(s) Given that the standard electrode potential of Cu2+(aq)/Cu(s) is +0.34 V and the standard electrode potential of Ag+(aq)/Ag(s) is +0.80 V.
asked
4 days
ago
in
ThermoChemistry
by
DeeCarrera9
(
430
points)
0
votes
1
answer
34
views
Calculate the standard enthalpy change of formation of magnesium oxide (MgO) using the following data: ΔH°f for Mg (s) = 0 kJ/molΔH°f for O₂ (g) = 0 kJ/mol ΔH°c for MgO (s) = -601.8 kJ/mol
asked
4 days
ago
in
Chemical thermodynamics
by
Bradley53M38
(
490
points)
0
votes
1
answer
17
views
Calculate the standard enthalpy change of formation for the compound methane (CH4) given the following information:- The standard enthalpy change of formation for carbon dioxide (CO2) is -393.5 kJ/mol.- The standard enthalpy change of formation for water (H2O) is -285.8 kJ/mol.- The enthalpy of combustion for methane is -890.4 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
FredricPalum
(
550
points)
0
votes
1
answer
39
views
Calculate the standard enthalpy change of formation for ethanoic acid, given the following standard enthalpy of combustion data:- Ethanol: -1367 kJ/mol- Carbon dioxide: -393.5 kJ/mol- Water: -285.8 kJ/molThe chemical equation for the formation of ethanoic acid is:2C2H5OH + 2O2 → 2CH3COOH + 2H2O
asked
4 days
ago
in
Chemical thermodynamics
by
DuaneLogue13
(
290
points)
0
votes
1
answer
25
views
Calculate the standard enthalpy change for the vaporization reaction of 25.0 g of water at its boiling point of 100°C using the following information: the molar heat of vaporization of water is 40.7 kJ/mol and the molar mass of water is 18.015 g/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
FerdinandSid
(
330
points)
0
votes
1
answer
30
views
Calculate the standard enthalpy change for the vaporization reaction of 25.0 g of water at 100°C and atmospheric pressure (1 atm).
asked
4 days
ago
in
Chemical thermodynamics
by
SheliaGerste
(
450
points)
0
votes
1
answer
35
views
Calculate the standard enthalpy change for the vaporization reaction of 2.00 moles of water at 100°C and 1 atm pressure, given that the molar enthalpy of vaporization of water is 40.7 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
LottieWolken
(
550
points)
0
votes
1
answer
27
views
Calculate the standard enthalpy change for the vaporization of water at its normal boiling point of 100 degrees Celsius and a pressure of 1 atm. The molar enthalpy of vaporization for water is 40.7 kJ/mol. What is the amount of heat required to vaporize 100 g of water?
asked
4 days
ago
in
Chemical thermodynamics
by
ChassidyMcCo
(
490
points)
0
votes
1
answer
20
views
Calculate the standard enthalpy change for the vaporization of 25.0 grams of water at 100°C, given that the molar enthalpy of vaporization of water is 40.7 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
AlbertoLarna
(
550
points)
0
votes
1
answer
20
views
Calculate the standard enthalpy change for the vaporization of 25.0 g of water at 100°C, given that the molar enthalpy of vaporization of water is 40.7 kJ/mol. (The molar mass of water is 18.015 g/mol.)
asked
4 days
ago
in
Chemical thermodynamics
by
ENCIsabel625
(
630
points)
0
votes
1
answer
20
views
Calculate the standard enthalpy change for the vaporization of 25.0 g of water at 100°C, given that the molar enthalpy of vaporization is 40.7 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
LillieIst935
(
310
points)
0
votes
1
answer
38
views
Calculate the standard enthalpy change for the vaporization of 25 grams of water at 100 degrees Celsius and 1 atmosphere of pressure, given that the molar enthalpy of vaporization of water is 40.7 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
JewelMoncrie
(
350
points)
0
votes
1
answer
40
views
Calculate the standard enthalpy change for the vaporization of 25 g of liquid nitrogen at its boiling point assuming constant pressure is 1 atm. Given the molar heat of vaporization of nitrogen is 5.56 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
KazukoCarrio
(
510
points)
0
votes
1
answer
26
views
Calculate the standard enthalpy change for the vaporization of 15 grams of water given that the molar enthalpy of vaporization of water is 40.7 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
AllieNoyes3
(
410
points)
0
votes
1
answer
34
views
Calculate the standard enthalpy change for the vaporization of 15 grams of water at its boiling point, given that the molar enthalpy of vaporization of water is 40.7 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
AstridCrooke
(
410
points)
0
votes
1
answer
30
views
Calculate the standard enthalpy change for the vaporization of 100 g of water at 100°C given that the enthalpy of vaporization of water is 40.7 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
KateNewcombe
(
510
points)
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