Which word is defined by this statement: A measure of this disorder, or randomne

Question

Which word is defined by this statement: A measure of this disorder, or randomness? energy entropy enthalpy mass In which of the following does entropy not remain constant Reversible adiabatic process Isentropic Process Internally reversible process Constant-pressure heating in a real boiler The second law of thermodynamics states that entropy can be created but it cannot be destroyed. Therefore Delta S_system = 0 Delta S_system greaterthanorequalto 0 Delta S_system lessthanorequalto 0 Delta S_system

Explanation / Answer

1) b

Entropy : Entropy is a measure of disorderness of a system.

2) d

At constant pressure, if we supply heat energy temperature will be increased.

so, entropy increases.

3) b
According to second law of thermodynamics entropy of a system always increases.

4) a

dS = Q/T

= 2000*10^3/(277+273)

= 3.64*10^3 J/K

= 3.64 kJ/K

5) a

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