32. Solving a chemistry problem
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4. Derive and determine for the reaction CaCO3(t) = CaO(t) CO2(g)
a) the equation of the dependence of the thermal effect on temperature;
b) the thermal effect of this reaction at a temperature of 333 K, if the thermal effect of this reaction, calculated in problem 1.1, at 298 K is equal to ΔH298. The true molar heat capacities of the substances involved in the reactions are given by the equations in Table. 3.
Variant Substance Equation coefficients
CP=a bT cT2 c’T─2, J/(mol·K)
a b•103 c•106 c´•10─5
1 CaCO3(t) 104.52 29.91 - –25.94
a) the equation of the dependence of the thermal effect on temperature;
b) the thermal effect of this reaction at a temperature of 333 K, if the thermal effect of this reaction, calculated in problem 1.1, at 298 K is equal to ΔH298. The true molar heat capacities of the substances involved in the reactions are given by the equations in Table. 3.
Variant Substance Equation coefficients
CP=a bT cT2 c’T─2, J/(mol·K)
a b•103 c•106 c´•10─5
1 CaCO3(t) 104.52 29.91 - –25.94
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- Content type File
- Content description 12,65 kB
- Added to the site 06.04.2023
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If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
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32. Solving a chemistry problem
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