1.

Helium (He), a monatomic gas, fills a 0.010 m^3 container. The pressure of the gas is (6.2 xx10^5 Pa). How long would a 0.25 hp engine have to run (1 hp = 746 W) to produce an amount of energy equal to the internal energy of this gas?

Answer»

`1.0 XX 10^1 s`
`5.0 xx 10^1`s
`2.5 xx 10^1 s`
`4.3 xx 10^1`s

Answer :B


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