(i) Complete the energy level diagram for the thermal decomposition of calcium carbonate by writing these words on the diagram: • reactant • products. energy progress of reaction (1) (ii) Explain, using information on the energy level diagram, how you know that this reaction is endothermic.

(i) Complete the energy level diagram for the thermal decomposition of calcium carbonate by writing these words on the diagram: • reactant • products. energy progress of reaction (1) (ii) Explain, using information on the energy level diagram, how you know that this reaction is endothermic.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter4: Energy And Chemical Reactions

Section: Chapter Questions

Problem 75QRT

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Question

3) (a) Calcium carbonate undergoes thermal decomposition
СаCо,
> Сао + СО,
(i) Complete the energy level diagram for the thermal decomposition of calcium
carbonate by writing these words on the diagram:
• reactant
• products.
energy
progress of reaction
(1)
(ii) Explain, using information on the energy level diagram, how you know that this
reaction is endothermic.
(1)

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