The specific heats of argon at constant ...

The specific heats of argon at constant pressure and constant volume are `525 J//kg` and `315 J//kg`, respectively. Its density at `NTP` will be\

`"0.64 kg m"^(-3)`

`"1.20 kg m"^(-3)`

`"1.75 kg m"^(-3)`

`"2.62 kg m"^(-3)`

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