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OpenStudy (anonymous):
Enthalpy change of formation of cyclopropane : +32.2 Enthalpy change of atomisation of graphite : +717 C-H bond energy : 410 H-H energy : 436 Find the bond energy of C-C in cyclopropane
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OpenStudy (abmon98):
|dw:1402388424089:dw|
OpenStudy (abmon98):
6*C-H
OpenStudy (abmon98):
6*410=2460
OpenStudy (abmon98):
enthalpy of bonds broken+enthalpy of bond released 2460+(1*C-C)+0=2118 C-C=-342
OpenStudy (anonymous):
Ah thanks, how did your paper 1 go?
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OpenStudy (abmon98):
is my working right
OpenStudy (abmon98):
paper 1 is 3 more hours to go iam worried about it
OpenStudy (anonymous):
Which variant?
OpenStudy (abmon98):
variant 1
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