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1
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Calculate the standard enthalpy change for the fusion reaction of 1 mole of ice at 0°C to 1 mole of liquid water at 0°C. Given the standard enthalpy of fusion of water is 6.02 kJ/mol and the specific heat capacity of water is 4.18 J/(g·°C).
asked
4 days
ago
in
Chemical thermodynamics
by
Laurence32K
(
310
points)
0
votes
1
answer
42
views
Calculate the standard enthalpy change for the fusion of solid silver (Ag) at its melting point (961.78°C) to liquid silver (Ag) at the same temperature. Given the standard enthalpy of fusion of solid silver is 11.3 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
Antoinette08
(
510
points)
0
votes
1
answer
32
views
Calculate the standard enthalpy change for the fusion of solid hydrogen (H₂) at its melting point of 13.81 K, given that the standard enthalpy of fusion of H₂ is 0.117 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
BradlySanche
(
430
points)
0
votes
1
answer
35
views
Calculate the standard enthalpy change for the fusion of ice at 0°C to liquid water at 0°C, given that the enthalpy of fusion of ice is 6.01 kJ/mol and the molar mass of water is 18.015 g/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
MistyCorona
(
570
points)
0
votes
1
answer
40
views
Calculate the standard enthalpy change for the fusion of 50 grams of ice at -10°C to liquid water at 10°C. Given the enthalpy of fusion of ice is 6.01 kJ/mol and the specific heat capacity of water is 4.184 J/g°C.
asked
4 days
ago
in
Chemical thermodynamics
by
DwainNewkirk
(
330
points)
0
votes
1
answer
31
views
Calculate the standard enthalpy change for the fusion of 25 grams of ice at -10°C to liquid water at 20°C. The specific heat capacity of ice is 2.09 J/g°C, the specific heat capacity of water is 4.18 J/g°C, and the enthalpy of fusion of water is 6.01 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
Ethel50G7107
(
510
points)
0
votes
1
answer
37
views
Calculate the standard enthalpy change for the fusion of 2.5 moles of solid sulfur (S8) at its melting point (388 K) using the given information: ΔHfus = 9.73 kJ/mol ΔSfus = 22.8 J/(mol*K) The molar heat capacity of solid sulfur is 22.75 J/(mol*K) and the heat capacity of the liquid sulfur is 37.05 J/(mol*K).
asked
4 days
ago
in
Chemical thermodynamics
by
DarbyReis18
(
650
points)
0
votes
1
answer
22
views
Calculate the standard enthalpy change for the fusion of 2.5 moles of ice at 0℃ to form water at 0℃. Given that the molar enthalpy of fusion of ice is 6.01 kJ/mol and the specific heat capacity of water is 4.18 J/g·℃.
asked
4 days
ago
in
Chemical thermodynamics
by
TiaAmess6840
(
630
points)
0
votes
1
answer
34
views
Calculate the standard enthalpy change for the fusion of 100 grams of ice at 0°C to liquid water at 0°C. The specific heat capacity of water is 4.184 J/g°C, the standard enthalpy of fusion of water is 6.01 kJ/mol, and the molar mass of water is 18.015 g/mol. Assume all heat absorbed is used to melt the ice and the temperature remains constant.
asked
4 days
ago
in
Chemical thermodynamics
by
HattieSteven
(
310
points)
0
votes
1
answer
30
views
Calculate the standard enthalpy change for the fusion of 1 mole of solid water (ice) at 0°C to liquid water at 0°C. Given the enthalpy of fusion of solid water as 6.01 kJ/mol and the specific heat capacity of water as 4.18 J/g°C.
asked
4 days
ago
in
Chemical thermodynamics
by
StephanyHors
(
510
points)
0
votes
1
answer
38
views
Calculate the standard enthalpy change for the formation of water vapor (H2O (g)) from its elements, given that the standard enthalpy of formation of hydrogen gas (H2(g)) is -241.8 kJ/mol and the standard enthalpy of formation of oxygen gas (O2(g)) is 0 kJ/mol.
asked
4 days
ago
in
Chemical thermodynamics
by
EnriquetaPat
(
350
points)
0
votes
1
answer
28
views
Calculate the standard enthalpy change for the formation of one mole of methane (CH4) gas given the following information: - Heat of combustion of methane gas is -890.36 kJ/mol - Heat of formation of water (H2O) liquid is -285.83 kJ/mol - Heat of formation of carbon dioxide (CO2) gas is -393.52 kJ/mol
asked
4 days
ago
in
Chemical thermodynamics
by
MckinleyAlba
(
430
points)
0
votes
1
answer
37
views
Calculate the standard enthalpy change for the formation of methane gas (CH4) from its elements carbon (solid, graphite) and hydrogen gas (H2) given the following data:ΔHf° (C(graphite)) = 0 kJ/molΔHf° (H2(g)) = 0 kJ/molΔHc° (CH4(g)) = -890.4 kJ/mol
asked
4 days
ago
in
Chemical thermodynamics
by
UFCLaverne11
(
470
points)
0
votes
1
answer
25
views
Calculate the standard enthalpy change for the formation of methane (CH4) given the following equations:C(s) + O2(g) ⟶ CO2(g); ΔH = -393.5 kJ/mol2H2(g) + O2(g) ⟶ 2H2O(l); ΔH = -571.6 kJ/mol
asked
4 days
ago
in
Chemical thermodynamics
by
FosterDibell
(
230
points)
0
votes
1
answer
39
views
Calculate the standard enthalpy change for the formation of methane (CH4) from its elements carbon (C) and hydrogen (H2) at standard conditions, given the following thermodynamic data: ΔHf(C) = 0 kJ/molΔHf(H2) = 0 kJ/molΔHc(CH4) = -890.3 kJ/mol
asked
4 days
ago
in
Chemical thermodynamics
by
GordonChoate
(
470
points)
0
votes
1
answer
21
views
Calculate the standard enthalpy change for the formation of ethylene oxide (C2H4O) given the following reaction:C2H4(g) + 1.5 O2(g) -> C2H4O(g)Given the standard enthalpy of formation of C2H4(g) = 52.5 kJ/mol and that of O2(g) = 0 kJ/mol, determine the standard enthalpy of formation of C2H4O(g).
asked
4 days
ago
in
Chemical thermodynamics
by
MylesDoherty
(
550
points)
0
votes
1
answer
27
views
Calculate the standard enthalpy change for the formation of ethylene glycol (C2H6O2) from its elements given that the standard enthalpies of formation of carbon dioxide, water, and ethylene glycol are -393.5 kJ/mol, -285.8 kJ/mol, and -421.1 kJ/mol respectively.
asked
4 days
ago
in
Chemical thermodynamics
by
RubyeMorley
(
450
points)
0
votes
1
answer
27
views
Calculate the standard enthalpy change for the formation of carbon dioxide (CO2) from its elements, given the following standard enthalpies of formation:ΔHf°(CO2) = -393.5 kJ/molΔHf°(C) = 0 kJ/molΔHf°(O2) = 0 kJ/mol
asked
4 days
ago
in
Chemical thermodynamics
by
MyraU0675270
(
510
points)
0
votes
1
answer
28
views
Calculate the standard enthalpy change for the formation of carbon dioxide (CO2) from its elements carbon (C) and oxygen (O2) given the following information:- The standard enthalpy change for the combustion of carbon to form carbon dioxide is -394 kJ/mol.- The standard enthalpy change for the combustion of hydrogen gas (H2) to form water (H2O) is -286 kJ/mol.- The standard enthalpy change for the reaction of oxygen gas (O2) with hydrogen gas (H2) to form water (H2O) is -572 kJ/mol.Note: All values are at standard temperature and pressure (298 K and 1 atm).
asked
4 days
ago
in
Chemical thermodynamics
by
JimmyBecker9
(
350
points)
0
votes
1
answer
30
views
Calculate the standard enthalpy change for the formation of ammonium chloride (NH4Cl) from its constituent elements, nitrogen (N2), hydrogen (H2), and chlorine (Cl2), given the following information:Reaction equation: N2(g) + 4H2(g) + 2Cl2(g) → 2NH4Cl(s)Standard enthalpy of formation for NH4Cl: -314.4 kJ/molStandard enthalpy of formation for N2(g): 0 kJ/molStandard enthalpy of formation for H2(g): 0 kJ/molStandard enthalpy of formation for Cl2(g): 0 kJ/mol Express your answer in kilojoules per mole (kJ/mol).
asked
4 days
ago
in
Chemical thermodynamics
by
NikiCoombs07
(
590
points)
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