The decomposition of calcium carbonate is given by the reaction, CaCO3(s) → CaO(s) + CO2(g). Considering the following thermodynamic information: AH = 65.2 kJ/mol AH: = -1270.2 kJ/mol AH: = -113.8 kJ/mol AH: = -393.5 kJ/mol Са(ОН)2(s) — СаО(s) + H-O() 2Ca(s) + O2(g) → 2CAO(s) Са(ОН)2(s) + СO-(g) — СаСO3(s) + H-О() C(s) + O2(g) → CO2(g) (a) Determine the enthalpy change for the decomposition of 500g of calcium carbonate. Assume that the molar mass of CaCO3 is 100 g/mol. (b) Is this reaction exothermic or endothermic? Explain briefly.

The decomposition of calcium carbonate is given by the reaction, CaCO3(s) → CaO(s) + CO2(g). Considering the following thermodynamic information: AH = 65.2 kJ/mol AH: = -1270.2 kJ/mol AH: = -113.8 kJ/mol AH: = -393.5 kJ/mol Са(ОН)2(s) — СаО(s) + H-O() 2Ca(s) + O2(g) → 2CAO(s) Са(ОН)2(s) + СO-(g) — СаСO3(s) + H-О() C(s) + O2(g) → CO2(g) (a) Determine the enthalpy change for the decomposition of 500g of calcium carbonate. Assume that the molar mass of CaCO3 is 100 g/mol. (b) Is this reaction exothermic or endothermic? Explain briefly.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

The decomposition of calcium carbonate is given by the reaction, CaCO3(s) → CaO(s)
+ CO2(g). Considering the following thermodynamic information:
AH = 65.2 kJ/mol
AH: = -1270.2 kJ/mol
AH: = -113.8 kJ/mol
AH: = -393.5 kJ/mol
Са(ОН)2(s) — СаО(s) + H-O()
2Ca(s) + O2(g) → 2CAO(s)
Са(ОН)2(s) + СO-(g) — СаСO3(s) + H-О()
C(s) + O2(g) → CO2(g)
(a) Determine the enthalpy change for the decomposition of 500g of calcium
carbonate. Assume that the molar mass of CaCO3 is 100 g/mol.
(b) Is this reaction exothermic or endothermic? Explain briefly.

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