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In a message dated 3/17/00 2:20:47 AM Central Standard Time, Steve.Hogan@tr*.co* writes: << The specific heat-capacity of air is 1 kiloJoule/kg*K. (Which means that is takes one kiloJoule to heat 1 kilo of gas 1 degree (Kelvin)) And the specific heat-capacity of Helium is 5.1 kJ/kgK. Which in the same way as above means that it takes 5.1 kiloJoule to heat 1 kilo of Helium 1 degree. Since when is 5 kiloJoules LESS than 1 kJ??? >> The problem is that you are comparing gasses of equal MASS. You should compare gasses of equal VOLUME. If you look up Helium and air in your reference book again you will find that a kg of Helium occupies significantly more volume than a Kg of air at any pressure which would be applicable to this argument. Safe diving, Dale -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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