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Calculate the standard enthalpy change for the fusion reaction of solid sodium chloride (NaCl) at 25°C, given the following information: ΔHf°[NaCl(s)] = -411 kJ/molΔHf°[Na(s)] = 108 kJ/molΔHf°[Cl2(g)] = 0 kJ/mol The balanced chemical equation for the fusion reaction of NaCl is:NaCl(s) → Na(s) + 1/2Cl2(g)
asked
Feb 3
in
Chemical thermodynamics
by
Carina54Z00
(
330
points)
0
votes
1
answer
44
views
Calculate the standard enthalpy change for the fusion reaction of solid lithium at its melting point, assuming that the reaction is carried out under standard conditions.
asked
Feb 3
in
Chemical thermodynamics
by
BerylSantiag
(
310
points)
0
votes
1
answer
36
views
Calculate the standard enthalpy change for the fusion reaction of a sodium atom. Given the enthalpy of formation of Na(g) is 107.3 kJ/mol and the enthalpy of fusion of Na(s) is 2.6 kJ/mol.
asked
Feb 3
in
Chemical thermodynamics
by
MelodeeClark
(
310
points)
0
votes
1
answer
53
views
Calculate the standard enthalpy change for the fusion reaction of 50g of ice at 0°C with 450g of liquid water at 25°C. The molar enthalpy of fusion of ice is 6.01 kJ/mol and the specific heat capacity of water is 4.18 J/g·°C. Assume there are no heat losses to the surroundings.
asked
Feb 3
in
Chemical thermodynamics
by
IrwinDeBoos5
(
510
points)
0
votes
1
answer
39
views
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
Feb 3
in
Chemical thermodynamics
by
KimHoman2676
(
390
points)
0
votes
1
answer
43
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
Feb 3
in
Chemical thermodynamics
by
NereidaThomp
(
540
points)
0
votes
1
answer
34
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
Feb 3
in
Chemical thermodynamics
by
Linda28X1694
(
110
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
Feb 3
in
Chemical thermodynamics
by
ForrestFine0
(
510
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
Feb 3
in
Chemical thermodynamics
by
BebeU6023107
(
470
points)
0
votes
1
answer
32
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
Feb 3
in
Chemical thermodynamics
by
Nora32F60079
(
390
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
Feb 3
in
Chemical thermodynamics
by
EliseMcCollo
(
170
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
Feb 3
in
Chemical thermodynamics
by
VadaSimpkins
(
310
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
Feb 3
in
Chemical thermodynamics
by
YMPViola5184
(
430
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
Feb 3
in
Chemical thermodynamics
by
LuellaJervoi
(
580
points)
0
votes
1
answer
39
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
Feb 3
in
Chemical thermodynamics
by
LilyBentley
(
230
points)
0
votes
1
answer
29
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
Feb 3
in
Chemical thermodynamics
by
Viola390266
(
290
points)
0
votes
1
answer
38
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
Feb 3
in
Chemical thermodynamics
by
SolomonLiu12
(
430
points)
0
votes
1
answer
26
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
Feb 3
in
Chemical thermodynamics
by
AnnabelleBal
(
410
points)
0
votes
1
answer
40
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
Feb 3
in
Chemical thermodynamics
by
JohnetteVerd
(
670
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
Feb 3
in
Chemical thermodynamics
by
QSALea374924
(
390
points)
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