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420 1.7 Based on the following information, determine (a) total enthalpy of water, and (b) mass of liquid water wit...
Calculate the standard enthalpy of formation of liquid water (H2O) using the following thermochemical information: 2...
Calculate the standard enthalpy of formation of liquid water
(H2O) using the following thermochemical
information:
2 HNO3(l)
N2O5(g) +
H2O(l)
H = +92.0 kJ
2 N2(g) + 5
O2(g) 2 N2O5(g)
H = +59.3 kJ
N2(g) + 3
O2(g) + H2(g) 2 HNO3(l)
H = -348.2 kJ
Calculate the standard enthalpy of formation of liquid water (H2O) using the following thermochemical information: 2...
Calculate the standard enthalpy of formation of liquid water
(H2O) using the following thermochemical
information:
2
B2O3(s) 4 B(s) + 3 O2(g)
H = +2509.1 kJ
B2O3(s)
+ 3 H2O(l) B2H6(g) + 3
O2(g)
H = +2147.5 kJ
2 B(s) + 3 H2(g)
B2H6(g)
H = +35.4 kJ
H = ______ kJ
Calculate the standard enthalpy of formation of liquid water (H2O) using the following thermochemical information: CH4(g)...
Calculate the standard enthalpy of formation of liquid water
(H2O) using the following thermochemical
information:
CH4(g) C(s) + 2 H2(g)
H = +74.8 kJ
CO2(g) C(s) + O2(g)
H = +393.5 kJ
CO2(g) + 2 H2O(l) CH4(g) + 2 O2(g)
H = +890.4 kJ
Marks Calculate the enthalpy of combustion of benzene in which the water produced is a gas rather than a liquid. You ma...
Marks Calculate the enthalpy of combustion of benzene in which the water produced is a gas rather than a liquid. You may use the following information: 2 H2O(1)-»H20(g) AvapH° = 40.65 kJ mol-1 Answer
Marks Calculate the enthalpy of combustion of benzene in which the water produced is a gas rather than a liquid. You may use the following information: 2 H2O(1)-»H20(g) AvapH° = 40.65 kJ mol-1 Answer
A pressure vessel contains liquid water and water vapor in equilibrium at 350℉. The total mass...
A pressure vessel contains liquid water and water vapor in equilibrium at 350℉. The total mass of liquid and vapor is 4.5 lbm. If the volume of vapor is 50 times the volume of liquid, what is the total enthalpy of the contents of the vessel? The total enthalpy is Btu
A piston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in...
A piston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kPa. Heat is transferred at constant pressure until the temperature reaches 350°C. Determine: (f) The final mass of the water. H20 P 800 kPa (g) the total change in enthalpy (AH)
15. # -/0.1 points 0/4 Submissions Used Calculate the standard enthalpy of formation of liquid water...
15. # -/0.1 points 0/4 Submissions Used Calculate the standard enthalpy of formation of liquid water (H2O) using the following thermochemical information: N205(9) + H2O(1) = 2 HNO3(0) 2 N205(g) = 2 N2(g) + 5 O2(g) N2(g) + 3 O2(g) + H2(g) = 2 HNO3(1) AH = -92.0 kj AH = -59.3 kj AH = -348.2 kJ AH = kJ
8. What mass of water would need to evaporate from your skin inorder to dissipate 1.7...
8. What mass of water would need to evaporate from your skin inorder to dissipate 1.7 ´ 105 J of heat from yourbody? (H2O(l) ® H2O(g)DHvap = 40.7 kJ/mol; H2O = 18.01g/mol) A. 7.52 x 104 g B. 418 g C. 75.3 g D. 58.4 g E. 6.92 x 106 g
17. Determine the specific enthalpy of liquid water at 100°C and 10 MPa, a. By using...
17. Determine the specific enthalpy of liquid water at 100°C and 10 MPa, a. By using a compressed liquid table. b. By approximating it as a saturated liquid. c. Determine the % of error involved in using the approximation rule. a. 426.62 kJ/kg, b. 419.17kJ/kg, c. 1.75 a. 426.62 kJ/kg, b. 419.17kJ/kg, C. 0.75 a. 426.62 J/kg, b. 419.17J/kg, c. 1.75
A piston-cylinder device contains 10 kg of saturated water liquid at 0.4 MPa. Heat is transferred...
A piston-cylinder device contains 10 kg of saturated water liquid at 0.4 MPa. Heat is transferred at constant pressure until the temperature reaches 400 °C. (68 marks) a) Show the process on a P-v diagram with respect to the saturation line? b) What is the initial temperature of the system? c) What is the initial quality x? d) What is the initial specific enthalpy of the system? e) Determine the initial total volume of the system. f) What is the...
Calculate the standard enthalpy of formation of liquid water
(H2O) using the following thermochemical
information:
2 HNO3(l)
N2O5(g) +
H2O(l)
H = +92.0 kJ
2 N2(g) + 5
O2(g) 2 N2O5(g)
H = +59.3 kJ
N2(g) + 3
O2(g) + H2(g) 2 HNO3(l)
H = -348.2 kJ
Calculate the standard enthalpy of formation of liquid water
(H2O) using the following thermochemical
information:
2
B2O3(s) 4 B(s) + 3 O2(g)
H = +2509.1 kJ
B2O3(s)
+ 3 H2O(l) B2H6(g) + 3
O2(g)
H = +2147.5 kJ
2 B(s) + 3 H2(g)
B2H6(g)
H = +35.4 kJ
H = ______ kJ
Calculate the standard enthalpy of formation of liquid water
(H2O) using the following thermochemical
information:
CH4(g) C(s) + 2 H2(g)
H = +74.8 kJ
CO2(g) C(s) + O2(g)
H = +393.5 kJ
CO2(g) + 2 H2O(l) CH4(g) + 2 O2(g)
H = +890.4 kJ
Marks Calculate the enthalpy of combustion of benzene in which the water produced is a gas rather than a liquid. You may use the following information: 2 H2O(1)-»H20(g) AvapH° = 40.65 kJ mol-1 Answer
Marks Calculate the enthalpy of combustion of benzene in which the water produced is a gas rather than a liquid. You may use the following information: 2 H2O(1)-»H20(g) AvapH° = 40.65 kJ mol-1 Answer
A pressure vessel contains liquid water and water vapor in equilibrium at 350℉. The total mass of liquid and vapor is 4.5 lbm. If the volume of vapor is 50 times the volume of liquid, what is the total enthalpy of the contents of the vessel? The total enthalpy is Btu
15. # -/0.1 points 0/4 Submissions Used Calculate the standard enthalpy of formation of liquid water (H2O) using the following thermochemical information: N205(9) + H2O(1) = 2 HNO3(0) 2 N205(g) = 2 N2(g) + 5 O2(g) N2(g) + 3 O2(g) + H2(g) = 2 HNO3(1) AH = -92.0 kj AH = -59.3 kj AH = -348.2 kJ AH = kJ
17. Determine the specific enthalpy of liquid water at 100°C and 10 MPa, a. By using a compressed liquid table. b. By approximating it as a saturated liquid. c. Determine the % of error involved in using the approximation rule. a. 426.62 kJ/kg, b. 419.17kJ/kg, c. 1.75 a. 426.62 kJ/kg, b. 419.17kJ/kg, C. 0.75 a. 426.62 J/kg, b. 419.17J/kg, c. 1.75
A piston-cylinder device contains 10 kg of saturated water liquid at 0.4 MPa. Heat is transferred at constant pressure until the temperature reaches 400 °C. (68 marks) a) Show the process on a P-v diagram with respect to the saturation line? b) What is the initial temperature of the system? c) What is the initial quality x? d) What is the initial specific enthalpy of the system? e) Determine the initial total volume of the system. f) What is the...
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