7.2 Evidence of a Chemical Reaction
7.2 Evidence of a Chemical Reaction
7.2 Evidence of a Chemical Reaction
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7.3 The <strong>Chemical</strong> Equation: Combustion<br />
<strong>of</strong> Methane<br />
• The reaction occurring in a natural gas flame is<br />
methane (CH 4) reacting with oxygen (O 2) to form<br />
carbon dioxide (CO 2) and water (H 2O).<br />
• We represent this reaction with the equation:<br />
• With states included, the equation becomes: