A system moves from state X to Y via path 1as shown in figure. 100 joules of heat is absorbed by the system while work done by the system is 9.56 cal.i) Determine the heat absorbed/released when system moves from X to Y via path 2 and magnitude of work done for this path is 4.7 cal.ii) Determine the heat absorbed/released when system moves from Y to X via path 3 and work done on the system is 30J. а)Determine the heat input given to a Carnot engine cycle operates with air shown infigureT = 500 K80 kPaT = 300 K10 m'/kgb) Using the following data of heats of combustion in cal/g mole, calculate thefollowing:(a)(b)Heat of vaporization of benzene – cal/g moleHeats of combustion of benzene to wateri) CH6 (I) → CO2 (g) and H2O (I) = 7,80,980ii) C6H6 (g) → CO2 (g) and H2O (g) = 7,59,520iii) H2 (g) → H2O (I) = 68,317iv) H2 (g) → H2O (g) = 59,798v) Graphite to CO2 (g) = 94,052

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Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter8: Thermochemistry

Section: Chapter Questions

Problem 72QAP: On complete combustion at constant pressure, a 1.00-L sample of a gaseous mixture at 0C and 1.00 atm...

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A system moves from state X to Y via path 1as shown in figure. 100 joules of heat is absorbed by the system while work done by the system is 9.56 cal.
i) Determine the heat absorbed/released when system moves from X to Y via path 2 and magnitude of work done for this path is 4.7 cal.
ii) Determine the heat absorbed/released when system moves from Y to X via path 3 and work done on the system is 30J.

а)
Determine the heat input given to a Carnot engine cycle operates with air shown in
figure
T = 500 K
80 kPa
T = 300 K
10 m'/kg
b) Using the following data of heats of combustion in cal/g mole, calculate the
following:
(a)
(b)
Heat of vaporization of benzene – cal/g mole
Heats of combustion of benzene to water
i) CH6 (I) → CO2 (g) and H2O (I) = 7,80,980
ii) C6H6 (g) → CO2 (g) and H2O (g) = 7,59,520
iii) H2 (g) → H2O (I) = 68,317
iv) H2 (g) → H2O (g) = 59,798
v) Graphite to CO2 (g) = 94,052

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