19 Questions
Which of the following is the basis for many types of combustion calculations?
Molar mass
What is the purpose of using simple tables in combustion calculations?
To organize the data
Which of the following is examined in the chapter on flue gas analysis?
Combustion efficiency
Which unit is used to express atomic mass and molecular mass?
Atomic mass unit (AMU)
What is Avogadro's number?
6.022 x 10^23 particles
What is the atomic mass of boron?
10.811
What is the molar mass of sulfur?
32 g/mol
Which of the following is true about the coefficients in a chemical equation?
They represent the number of moles in each compound.
What is the coefficient for propane (C3H8) in the balanced combustion equation?
1
Which law states that all substances combine in accordance with simple, definite weight relationships?
Law of Combining Weights
What is the balanced equation for the combustion of methane (CH4)?
CH4 + 2O2 -> CO2 + 2H2O
According to the ideal gas equation, what is the relationship between pressure (P), volume (V), and temperature (T)?
PV = mRT
According to Dalton's Law, what is the relationship between the total pressure (PT) and the partial pressures of the constituents (P1, P2, P3) in a mixture of gases?
PT = P1 + P2 + P3
According to Avogadro's Law, what is the relationship between equal volumes of gases at the same temperature and pressure?
They have the same number of molecules
What is the general equation for a complete combustion reaction?
Fuel + O2 -> CO2 + H2O
Which substances in the equation combine in simple whole number kilomoles?
CH4 and CO2
What is the mass of the reactants (CH4 and O2) in the combustion of methane?
64 kg
What is the mass of carbon dioxide (CO2) produced when 1 kmol of methane (CH4) is burned?
44 kg
If 176 kg of propane (C3H8) is burned, what is the mass of water vapor (H2O) produced?
352 kg
Calculate the number of kilomoles in a given mass of carbon dioxide with this quiz. Learn how to use the formula and rearrange it to find the answer. Test your knowledge of molar mass and kilomoles in this quick and practical exercise.
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