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3. Chemical Reactions

Combustion Analysis

3. Chemical Reactions

Combustion Analysis

Multiple Choice
Which of the following processes produces carbon dioxide gas?
Multiple Choice
What is the major by-product of obtaining energy from hydrogen combustion?
Multiple Choice
What environmental problem is primarily caused by the burning of fossil fuels?
Multiple Choice
Which of the following reactions does not produce carbon dioxide gas?
Multiple Choice
Which of the following processes releases carbon dioxide to the atmosphere?
Multiple Choice
During which process is water produced in a combustion analysis?
Open Question
The combustion of 4.16 grams of a compound which contains only C,H,O and F yields 7.7 g CO₂ and 2.52 g H₂O. Another sample of the compound with a mass of 3.63 g is found to contain 0.58 g F. What is the empirical formula of the compound?
Multiple Choice
When the following equation is balanced
C₅H₁₀(l) + O₂(g) → CO₂(g) + H₂O(g)
What is the coefficient for carbon dioxide?
Multiple Choice
A compound composed of carbon, hydrogen and nitrogen undergoes a combustion reaction to produce 264.21 g CO₂, 63.06 g H₂O and 46.4 g NO₂. Determine its empirical formula.
Multiple Choice
An unknown compound is composed of carbon, hydrogen and oxygen. A 4.30 g sample is ignited and creates 8.59 g CO₂ and 3.52 g H₂O. If the molar mass is 176.22 g/mol, what is the molecular formula?