The final temperature of the bomb calorimeter is 30.9°C.
Combustion reactions are those reactions in which a compound completly decompose in to carbon dioxide and water molecule.
The final temperature will be calculated by using the equation:
Q = mc(T₂ – T₁), where
Q = relesed heat from calorimeter = 24kJ = 24000J
m = mass of calorimeter = 1.30kg = 1300g
c = specific heat of calorimeter = 3.41 J/(g°C)
T₁ = initial temperature of calorimeter = 25.5°C
T₂ = final temperature of calorimeter = to find?
On putting all these values on the above equation and calculate for T₂, we get
T₂ = 24000/(1300)(3.41) + 25.5
T₂ = 30.9°C
Hence, correct option is (1) i.e. 30.9°C.
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