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Calculate the standard enthalpy change for the neutralization of HCl with NaOH, given that the heat of formation of water is -285.8 kJ/mol, the heat of formation of NaCl is -411.1 kJ/mol, and the initial concentrations of HCl and NaOH are 1.0 M.
asked
Feb 3
in
Chemical thermodynamics
by
HarriettStea
(
570
points)
0
votes
1
answer
26
views
Calculate the standard enthalpy change for the neutralization of 50.0 mL of 0.100 M hydrochloric acid with 50.0 mL of 0.100 M sodium hydroxide, assuming that the specific heat capacity of the resulting solution is 4.18 J/g °C and the density of the solution is 1.00 g/mL.
asked
Feb 3
in
Chemical thermodynamics
by
HSRZak712052
(
430
points)
0
votes
1
answer
27
views
Calculate the standard enthalpy change for the neutralization of 50 mL of 0.1 M hydrochloric acid with 50 mL of 0.1 M sodium hydroxide at a constant temperature of 25°C, given that the specific heat capacity of the resulting solution is 4.18 J/g°C and its density is 1 g/mL.
asked
Feb 3
in
Chemical thermodynamics
by
DwayneBoatma
(
510
points)
0
votes
1
answer
37
views
Calculate the standard enthalpy change for the neutralization of 50 mL of 0.1 M hydrochloric acid with 50 mL of 0.1 M sodium hydroxide at a constant pressure and a temperature of 25°C. The balanced equation for the reaction is: HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)
asked
Feb 3
in
Chemical thermodynamics
by
FlorrieBourk
(
510
points)
0
votes
1
answer
26
views
Calculate the standard enthalpy change for the neutralization of 25.0 mL of 1.0 M hydrochloric acid (HCl) with 25.0 mL of 1.0 M sodium hydroxide (NaOH) solution at 25°C, given that the specific heat capacity of the solutions is 4.18 J/g°C, and the density of the solutions is 1.00 g/mL.
asked
Feb 3
in
Chemical thermodynamics
by
WillyMais08
(
290
points)
0
votes
1
answer
38
views
Calculate the standard enthalpy change for the neutralization of 25 mL of 0.10 M hydrochloric acid with 25 mL of 0.10 M sodium hydroxide. Assume the specific heat capacity of the solution to be 4.18 J/(g*K) and the density of the solution to be 1.00 g/mL. The temperature change observed during the reaction was 4.5°C.
asked
Feb 3
in
Chemical thermodynamics
by
FrankMacdoug
(
530
points)
0
votes
1
answer
28
views
Calculate the standard enthalpy change for the melting of 10 grams of ice at -10°C to liquid water at 20°C, given 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
MargretOlmst
(
450
points)
0
votes
1
answer
34
views
Calculate the standard enthalpy change for the liquid-to-gas phase transition of water at 100°C and atmospheric pressure, given that the enthalpy of vaporization of water is 40.7 kJ/mol.
asked
Feb 3
in
Chemical thermodynamics
by
CharmainCast
(
230
points)
0
votes
1
answer
50
views
Calculate the standard enthalpy change for the given reaction using the given data:2H2(g) + O2(g) --> 2H2O(l)Given:ΔHf°(H2O(l)) = -285.83 kJ/molΔHf°(O2(g)) = 0 kJ/molΔHf°(H2(g)) = 0 kJ/mol
asked
Feb 3
in
Chemical thermodynamics
by
MaryMcCoin37
(
310
points)
0
votes
1
answer
35
views
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
GretchenBrou
(
430
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
BeatrisMoult
(
430
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
StefanieWhip
(
490
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
ShawnaWylie
(
430
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
OliviaMcmill
(
610
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
GertieDugdal
(
600
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
OfeliaMcQuay
(
370
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
LashayFonten
(
310
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
AubreyV10576
(
430
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
SethTanner26
(
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
Feb 3
in
Chemical thermodynamics
by
Cole41H70743
(
450
points)
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