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isalybeaudion2205
11.07.2019 •
Mathematics
To burn 1 molecule of c7h16 to form co2 and h2o (complete combustion), how many molecules of o2 are required?
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Ответ:
The complete balanced chemical reaction is:
C7H16 + 3O2 --> 7CO2 + 8H2O
So 3 moles of oxygen O2 is required for every 1 mole of C7H16. In the same manner, 3 molecules of O2 is required for every 1 molecule of C7H16.
3 molecules O2
Ответ:
Since the base of a cone is a circle, we substitute 2πr for p and πr2 for B where r is the radius of the base of the cylinder. So, the formula for the lateral surface area of a right cone is L. S. A=πrl , where l is the slant height of the cone .