If 45.6 grams of water decompose at 301 kelvin and 1.24 atmospheres, how many liters of oxygen gas can be produced? show all of the work used to solve this problem. 2h2o (l) yields 2h2 (g) + o2 (g)
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Ответ:
PV=nRT
(1.24)(v)=(2.5305)(.0821)(301)
v=(nRT)/P
v=(62.5345)/(1.24)
V=50.43105L H2O
50.43105L H2O(1 mol O2/2 mol H2O)
=25.2155L O2
Ответ:
Use a pair of wire strips to remove a few centimeters of insulation from each end of the wire. Neatly wrap the wire around the nail. The more wire you wrap around the nail, the stronger your electromagnet will be. Make certain that you leave enough of the wire unwound so that you can attach the battery.
Explanation: