Location: East Coast, USA Joined: 26 Feb 2009 Posts: 11 Gender: Female
Posted: Tue Mar 03, 2009 6:47 pm Post subject:
jeff wrote:
A calorie is the amount of energy required to raise the temperature of 1 gram of water by 1 degree celsius. So 1,000 calories would be the amount of energy required to raise the temperature of 1 kilogram of water by 1 degree celsius, right?
Right. And a dietary Calorie is 1000 calories. So 1000 Calories would raise the temperature of water by 1000 degrees celsius. Or 81 kg of water by about 12 degrees K. Or 81.6kg of human body about 14.4 degrees celsius ( the human body has a _lower heat capacity than water has_).
Of course, your body would never allow that. It could lose an additional 1000 calories through evaporation of 7.6 cups of perspiration. Of course, a hot body (yours, for example) will also passively lose heat through radiation and convection, as long as it is hotter than its surroundings. The hotter you get, the faster your passive heat loss. So if your temperature runs a little hotter, you could maintain that temperature without as much perspiration as you'd have at 98.6F. I don't know how to do those calculations, though.
Location: Milton, Wisconsin, USA Joined: 06 Aug 2006 Posts: 5981 Born: 10 March 1960 Gender: Male
Posted: Tue Mar 03, 2009 10:12 pm Post subject:
Dang, I guess I was using the wrong calorie. I thought I had it right. In that case, I have no idea why Dean and I didn't burst into flames during our experiments. Time for the black box. _________________ Eat, Drink and Be Merry, For Tomorrow We'll Die
Location: South Florida Joined: 15 Feb 2008 Posts: 512 Born: 3 March 1919 Gender: Female
Posted: Tue Jun 02, 2009 9:34 pm Post subject:
do you still have that pain in your knee/leg?
i had that pain in my arm muscle, below the elbow since April..
finally started taking calcium and the pain has finally disappeared.
calcium deficiency...
_________________ "Failure is an opportunity to start again more intelligently."
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Time for the black box. 