Question

Find out the number of components present in thefollowing systems:
(i) CaCO3(s) CaO(s) + CO2(g)1%
(ii) Silver(s) Solution of silver and lead (1) +Vapour of silver and lead (g)
(iii) Dissociation of ammonium chloride in a closed
vessel.​

Answer 1

Answer:

caco3(s) ⇌ cao(s) + co2(g)ref. 1 (1) it might appear, at the first sight, that there are three components, viz., caco3, cao and co2, but it is evident that these substances are not independent, as required by the definition of the component; thus caco3 is really equivalent to cao + co2

Thus the dissociation of NH4Cl is one component system. 9

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Answer 2

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