I believe it has something to do with the H2O molecules, because a chemical compound is not a mixture.
Answer:
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Explanation:
The Bold Numbers are what you should put. This is balanced
79470.2mL
Explanation:
Given:
Volume = 21gallons
problem, convert to milliliters;
gallons to milliliters
1 liter = 1.057 quarts
1 gallon = 4 quarts
we can simply solve this by establishing and using a conversion factor of 1 ;
1 gallon = 4 quarts
1.057 quarts = 1 liter
0.001L = 1mL
21gallons x
= 79470.2mL
we say;
From; 
1gallon = 3784.2mL
learn more:
conversion brainly.com/question/1548911
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Answer:
it is nanometers the third one
Explanation:
hope this helps