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Task 3.1. Calculate the standard enthalpy of reaction of some thermochemical equations. Direction: Solve the following items. Show a complete solution. Express all enthalpy changes to kilojoules. 1. Use the standard enthalpies given below to calculate the enthalpy change for this reaction. CH₁2=6352kJ/mol; CO 1608kJ/mol; H₂O=926.0kJ/mol The reaction: C₂H₁2 +80₂ →5CO₂ + 6H₂O 2. 2CH) +250)→ 16CO2 +18H₂O Calculate the heat of combustion of octane using the supplied heat of formation data. Data: C,H-249.9 kJ mol-¹; CO-393.5 kJ mol-¹; H₂O-285.8 kJ mol-¹ Exa 3. Use the data below to calculate AH for the reaction MgO + CO2(g) → MgCO360 AH°f: MgO) = -602 kJ mol¹, CO2) = -394 kJ mol¹ and MgCO-1096 kJ mol™¹

Task 3.1. Calculate the standard enthalpy of reaction of some thermochemical equations. Direction: Solve the following items. Show a complete solution. Express all enthalpy changes to kilojoules. 1. Use the standard enthalpies given below to calculate the enthalpy change for this reaction. CH₁2=6352kJ/mol; CO 1608kJ/mol; H₂O=926.0kJ/mol The reaction: C₂H₁2 +80₂ →5CO₂ + 6H₂O 2. 2CH) +250)→ 16CO2 +18H₂O Calculate the heat of combustion of octane using the supplied heat of formation data. Data: C,H-249.9 kJ mol-¹; CO-393.5 kJ mol-¹; H₂O-285.8 kJ mol-¹ Exa 3. Use the data below to calculate AH for the reaction MgO + CO2(g) → MgCO360 AH°f: MgO) = -602 kJ mol¹, CO2) = -394 kJ mol¹ and MgCO-1096 kJ mol™¹

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.30QP: Enthalpy a A 100.-g sample of water is placed in an insulated container and allowed to come to room...
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answer 1-3. show complete solution. thank you.
Task 3.1. Calculate the standard enthalpy of reaction of some thermochemical equations. Direction: Solve the following items. Show a complete solution. Express all enthalpy changes to kilojoules. 1. Use the standard enthalpies given below to calculate the enthalpy change for this reaction. C₂H₁2=6352kJ/mol; CO=1608kJ/mol; H₂O = 926.0kJ/mol The reaction: C₂H₁2 +80₂ →5CO₂ + 6H₂O 2. 2C₂H18) +250)→ 16CO2 +18H₂O Calculate the heat of combustion of octane using the supplied heat of formation data. Data: C,H-249.9 kJ mol-¹; CO-393.5 kJ mol-¹; H₂O-285.8 kJ mol-¹ IXA 3. Use the data below to calculate AH for the reaction MgO + CO2(g) → MgCO360 AH°f: MgO) = -602 kJ mol-¹, CO₂) = -394 kJ mol¹ and MgCO3)=-1096 kJ mol-¹
Transcribed Image Text:Task 3.1. Calculate the standard enthalpy of reaction of some thermochemical equations. Direction: Solve the following items. Show a complete solution. Express all enthalpy changes to kilojoules. 1. Use the standard enthalpies given below to calculate the enthalpy change for this reaction. C₂H₁2=6352kJ/mol; CO=1608kJ/mol; H₂O = 926.0kJ/mol The reaction: C₂H₁2 +80₂ →5CO₂ + 6H₂O 2. 2C₂H18) +250)→ 16CO2 +18H₂O Calculate the heat of combustion of octane using the supplied heat of formation data. Data: C,H-249.9 kJ mol-¹; CO-393.5 kJ mol-¹; H₂O-285.8 kJ mol-¹ IXA 3. Use the data below to calculate AH for the reaction MgO + CO2(g) → MgCO360 AH°f: MgO) = -602 kJ mol-¹, CO₂) = -394 kJ mol¹ and MgCO3)=-1096 kJ mol-¹
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