(3) Chloroform has a heat of vaporization AHao = 3142 kJ/mol the %3D reaction CHCIU CHClg has AS = 94.2)/mol K. what is it's bonding temperature? %3D

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Chloroform has a heat of vaporization AHe = 3142 kJ/mol the
reaction
(3)
CHClu CHCI has AS = 94.2)/mol K. what is it's bonding
temperature?
Given these reactions and their AG° value
(4)
CO(NH)2 (6) + H,Om CO(NHClg)
COClzia + H2O - CO, +ZHClan
NHg) + HClg) - NH,C
Calculate AG° in KJ/mol for the reaction
CO(NH)2 i + H,0 COzial t 2NH9)
AG° = -79.36Kcal
AG° =-21.98kcal
AG° = -33.89Kcal
The heats of combustion of carbon, hydrogen and sucrose are =
394.82, -289.28 and -5665.8 KJ/mol respectively. Calculate the
enthalpy of formation of sucrose.
(5)
(6) For the reaction
Hzig) + Izig -2Hlg
The slope of the plot of log K vs 7 is -6666 K. What is the
activation energy for the reaction?
What is meant by the rate of chemical reaction? Describe a
method of Measurement of the rate of one chemical reaction
you know and explain to what use the result may be put,
(7)
In the decomposition of PCI, and Cl in benzene solution, the
initial Concentration of PCI, of 0.50 M gave a rate of 7.5 x 10
mol/litres. What is the order of this decomposition reaction?
(8)
For the net change 3A + C 2B + D the rate law is rate =
[AI IC] Propose a stepwise mechanism consistent with rats
law.
(9)
50
Transcribed Image Text:Chloroform has a heat of vaporization AHe = 3142 kJ/mol the reaction (3) CHClu CHCI has AS = 94.2)/mol K. what is it's bonding temperature? Given these reactions and their AG° value (4) CO(NH)2 (6) + H,Om CO(NHClg) COClzia + H2O - CO, +ZHClan NHg) + HClg) - NH,C Calculate AG° in KJ/mol for the reaction CO(NH)2 i + H,0 COzial t 2NH9) AG° = -79.36Kcal AG° =-21.98kcal AG° = -33.89Kcal The heats of combustion of carbon, hydrogen and sucrose are = 394.82, -289.28 and -5665.8 KJ/mol respectively. Calculate the enthalpy of formation of sucrose. (5) (6) For the reaction Hzig) + Izig -2Hlg The slope of the plot of log K vs 7 is -6666 K. What is the activation energy for the reaction? What is meant by the rate of chemical reaction? Describe a method of Measurement of the rate of one chemical reaction you know and explain to what use the result may be put, (7) In the decomposition of PCI, and Cl in benzene solution, the initial Concentration of PCI, of 0.50 M gave a rate of 7.5 x 10 mol/litres. What is the order of this decomposition reaction? (8) For the net change 3A + C 2B + D the rate law is rate = [AI IC] Propose a stepwise mechanism consistent with rats law. (9) 50
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