When 1.367 g of nicotinic acid, [tex]C_{6}H_{5}NO_{2}[/tex], is burned in a bomb calorimeter, the temperature of the calorimeter increases by 6.27°C. The bomb has a heat capacity of 954 J/°C and is submerged in 885 mL of water. Assume the density of water is 1.00 g/mL.

How much heat, in joules, was produced by the combustion of the nicotinic acid sample?
J

What is the experimental heat of combustion of nicotinic acid (in kilojoules per mole of nicotinic acid)?
kJ/mol

Question

cristhyanmorenomarqu cristhyanmorenomarqu

13-06-2024
Chemistry

Answered

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When 1.367 g of nicotinic acid, [tex]C_{6}H_{5}NO_{2}[/tex], is burned in a bomb calorimeter, the temperature of the calorimeter increases by 6.27°C. The bomb has a heat capacity of 954 J/°C and is submerged in 885 mL of water. Assume the density of water is 1.00 g/mL.

How much heat, in joules, was produced by the combustion of the nicotinic acid sample?
J

What is the experimental heat of combustion of nicotinic acid (in kilojoules per mole of nicotinic acid)?
kJ/mol

Sagot :

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