Posted by admin | Posted in Uncategorized | Posted on 04-06-2011
Tags: lantern, led, light, portable, portable lantern battery, portable lantern bl300 f1, portable lantern lamp, portable lantern lights, portable lantern stand, solar
Calculate the total mass of propane consumed during the lantern test.?
Base your answer to this question on the information below.
A portable propane-fueled lantern contains a mesh silk bag coated with metal hydroxides. The primary metal hydroxide is yttrium hydroxide. When the silk bag is installed, it is ignited and burned away, leaving the metal hydroxide coating. The coating forms metal oxides that glow brightly when heated to a high temperature.
During a test, a propane lantern is operated for three hours and consumes 5.0 moles of propane from the lantern’s tank. The balanced equation below represents the combustion of propane.
C3H8 + 5O2 → 3CO2 + 4H2O + energy
Calculate the total mass of propane consumed during the lantern test.
Answer: ___g?
The mass of propane?
The mass or propane per mole is 44.096 g
5.0 mol C3H8 x (44.096 g C3H8/1mol C3H8)=220.48 g C3H8
You set it up as dimensional analysis, none of the information you gave is really needed except for the amount of propane consumed.
Answer: 220.48 g
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