Answer
$2.20\times10^{3}\,psi$
Work Step by Step
$150.\,atm= 150\,atm\times\frac{1.01325\times10^{5}\,Pa}{1\,atm}$
$=151.9875\times10^{5}\,Pa\times\frac{1\,psi}{6895\,Pa}$
$=2.20\times10^{3}\,psi$
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