why there are holes on boarding as well as clothes or plastic banner o

1.	why there are holes on boarding as well as clothes or plastic banner of advertisements hanged freely?
Answer» *an endothermic reaction takes place only till the reactants are provided with the required energy. justify this statement with an example* Exothermic reactions are generally thermodynamically spontaneous because EVEN if it is accompanied by decrease of RANDOMNESS ( e.g.,in the condensation of a gas or solidification ofa liquid), the HEAT releasedis absorbed by the surroundings so that the ENTROPY of the surroundings increases to such an extent that is positive. (b) The molecules in the vapour state have greater freedom of movement and hence greater randomness than those in the liquid state. Hence, entropy increases in GOING from liquid to vapour state.

why there are holes on boarding as well as clothes or plastic banner of advertisements hanged freely?

Answer»

an endothermic reaction takes place only till the reactants are provided with the required energy. justify this statement with an example

Exothermic reactions are generally thermodynamically spontaneous because EVEN if it is accompanied by decrease of RANDOMNESS ( e.g.,in the condensation of a gas or solidification ofa liquid), the HEAT releasedis absorbed by the surroundings so that the ENTROPY of the surroundings increases to such an extent that

is positive.
(b) The molecules in the vapour state have greater freedom of movement and hence greater randomness than those in the liquid state. Hence, entropy increases in GOING from liquid to vapour state.

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