What is the enthalpy change for the given reaction?

CH3CH3 + Cl2 → CH3CH2Cl + HCl

Given the enthalpies

Bonds	Bond Enthalpy (kJ mol⁻¹)
C-H	413
Cl-Cl	239
C-C	347
C-Cl	339
H-Cl	427

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#Question id: 27061

#Section C (Domain-Specific Knowledge)

According to the Fischer projection which of the following is correct regarding the given fig.

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#Question id: 27062

#Section C (Domain-Specific Knowledge)

Determine R and S Configurations On A Fischer Projection given below 

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#Question id: 27063

#Section C (Domain-Specific Knowledge)

Determine R and S Configurations On A Fischer Projection given below

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#Question id: 27064

#Section C (Domain-Specific Knowledge)

These are three amino structure acid given below choose the correct option regarding the stereochemistry of these fig. 

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#Question id: 27065

#Section C (Domain-Specific Knowledge)

Determine R and S Configurations On A Fischer Projection given below 

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#Question id: 27066

#Section C (Domain-Specific Knowledge)

Determine R and S Configurations On A Fischer Projection given below