Question

state some points on second law of thermodynamics

Answer 1

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Answer 2

$</p><p> NASA \: The \: second \: law \: states \: that \\ there \: exists \: a \: useful \: state \: variable \: \\ called \: entropy \: S. \: The \: change \: in \: entropy \\ delta \: S \: is \: equal \: to \: the \: heat \: transfer \: delta \: \\ Q \: divided \: by \: the \: temperature \: T. \: An \: \\ example \: of \: a \: reversible \: process \: is \: ideally \: \\ forcing \: a \: flow \: through \: a \: constricted \: pipe.</p><p>$