Hey -- that reminds me of the question I asked a couple weeks ago: comparing a human to a small catalytic heater in terms of O2 consumption and CO2 output. For the CO2 side, you have the heater's output right there in that formula, but I don't know enough chemistry to turn that into volume. -- Mike "Rocket J Squirrel" Elliott 71 Type 2: the Wonderbus 84 Westfalia: Mellow Yellow ("The Electrical Banana") 74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano KG6RCR
On 1/16/2008 2:52 AM Greg Potts wrote: > Hi Roger, > > I did the chemistry on that last year, as I was interested in just > how much water was produced. > > C3H8 + (5)O2 --> (3)CO2 + (4)H2O > > According to my calculations, a 1lb bottle of propane produces 76 ml > of water (less than three ounces), with the remaining byproducts > emitted as CO2 gas. See this page for details: > http://www.sparknotes.com/testprep/books/sat2/chemistry/ > chapter7section3.rhtml > > A human being exhales 2-4 cups of water per day, depending on the > relative humidity. Divide that by 3 (8 hrs sleeping in the westy) and > you still get a LOT more water from a human than you do from a > propane heater. > > Happy Trails, > > Greg Potts > 1973/74/77/79 Westfakia "Bob The Tomato > www.pottsfamily.ca > www.busesofthecorn.com > > On 16-Jan-08, at 1:29 AM, Roger Whittaker wrote: > >> if you have a propane heater that you wish to use during the night >> remember that propane heaters produce lots of water as a byproduct of >> combustion >> this will make the underneath of foam cushions where you sleep >> damp ... >> also make sure you have enough ventilation ... |
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