A. Protons, neutrons, and electrons
When a fuel burns, it combines with oxygen int the air and changes into the substances water and carbon dioxide. That's how Flammability is a chemical property.
Answer:
For oxygen: mass % O = (mass of 1 mol of oxygen/mass of 1 mol of CO2) x 100. mass % O = (32.00 g / 44.01 g) x 100. mass % O = 72.71 %
Explanation:
Answer:
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C₃H₇OH + 4,5O₂ ----> 3CO₂ + 4H₂O
The coefficient for oxygen is 4,5.
