Question

Thermochemical reactions.

$227^{o}C$

$(R = 2.0cal.mol^{- 1}K^{- 1})$

From the above reaction, the heat of reaction for $25^{o}C$ will be.

• A. – 393.7 kJ
• B.
  • 393.7 kJ
• C. – 172.7 kJ
• D.
  • 172.7 kJ

Answer 1

Answer: (A)

– 393.7 kJ

Answer 2

eq. (i ) + eq. (ii ) gives the required result.