Chemistry, 28.02.2020 19:52 genyjoannerubiera
How do I know if a chemical equation is balanced? I have been explained this but I’m still quite confused. Here’s an example from my textbook:
e. g. H^2 + O^2 —> H^2O
How would you balance this? Please answer in as much detail as possible. Thanks!
Answers: 3
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Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°
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