The Balanced Equation for the Combustion of Propane Is Given

question 30

Multiple Choice

The balanced equation for the combustion of propane is given below.What do the numbers in front of the molecules (the coefficients) mean? C₃H₈ + 5 O₂ → 3 CO₂ + 4 H₂O

• A) Three molecules of CO₂ are produced when one molecule of C₃H₈ reacts with one molecule of O₂.
• B) Six molecules of CO₂ are produced when two molecules of C₃H₈ react with two molecules of O₂.
• C) Nine moles of CO₂ are produced when three moles of C₃H₈ react with three moles of O₂.
• D) Four moles of H₂O are produced when one mole of C₃H₈ reacts with one mole of O₂.
• E) All of the above representations are correct.

Recognize and understand standard mechanical abbreviations.

Identify the characteristic names and functions of components in gear systems.

Calculate the mechanical advantage of gear systems.

Understand the geometric requirements for the effective design of ratchet and pawl systems.

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