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Chemistry Paper 1 Doubts!

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delta H is positive because delta H means final energy-initial energy and here the result of final-initial energy is positive. so, delta H must be positive............
 
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hey can any one plz explain me the answers for q3 and 20 of Nov 2003.........................
 
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JUNE 08 !! Q 23, 26, 27, 30 AND 39

PLEASE SOLVE THEM !!! THNX I DONT HAV SCREEN SHOT OPTION

please solve them !! ill be thnkful to u guys
 
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Abdulrab said:
JUNE 08 !! Q 23, 26, 27, 30 AND 39

PLEASE SOLVE THEM !!! THNX I DONT HAV SCREEN SHOT OPTION

please solve them !! ill be thnkful to u guys
q23 is D because no. of carbons cant be more than the original in cracking ..
 
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