Predict in which of the following entropy of the system increses`//`decreases:
(P) A liquid crystalizes into a solid
(Q) Temperature of a crystalline solid is raised
(R ) `2NaHCO_(3)(s)toNa_(2)CO_(3)(s)+H_(2)O(g)+CO_(2)(g)`
(S) `H_(2)(g)to2H(g)`

Predict in which of the following , entropy increases or decreases . (i) A liquid crystallizes into a solid (ii)Temperature of a crystallized solid is raised from 0 K to 115 K (iii) 2NaHCO_(3(s)) to Na_2CO_(3(s)) + CO_(2(g)) + H_2O_((g)) (iv) H_(2(g)) to 2H_((g))

Predict in which of the following reactions, entropy increases/decreases H_(2)(g) rarr 2H(g)

What are the sign of the entropy change (+ or -) in the following: I : A liquid crystallises into a solid II: Temperature of a crystalline solid is raised from 0K to 115K III: 2NaHCO_(3(g)) rarr Na_(2)CO_(3(g)) + CO_(2(g)) + H_(2)O_((g)) IV : H_(2(g)) rarr 2H_((g))

Define entropy.Predict in which of the following,entropy increases of decreases: H2(g)-2H(g)

Predict in which of the following entropy increase/decrease. (ii) CaCO_3(s) rarr CaO(s) + CO_2(g)

In which of the following process entropy increases? a) A liquid evaporates to vapour. b) Temperature of a crystalline solid lowered from 115 K to 0 K. c) CaCO_(3(s))toCaO_((s))+CO_(2(g)) d) Cl_(2(g))to 2Cl_((g))