19 Questions
Which of the following is a key concept discussed in Chapter 3 of 'Fuels, Combustion, and Flue Gas Analysis'?
Molar mass
Which unit is used to express atomic mass and molecular mass?
Atomic mass unit (AMU)
What is the purpose of using simple tables in combustion calculations?
To organize data
What is the atomic mass of sulfur?
32
Which topic is NOT covered in Chapter 3 of 'Fuels, Combustion, and Flue Gas Analysis'?
Thermal efficiency
What is the molar mass of boron?
36
What is the mass of 1 mol of sulfur?
44 g
Which of the following is true about the coefficients in a chemical equation?
They represent the number of kilomoles of each compound.
What principle of stoichiometry states that equations must balance?
The law of conservation of mass
Which law states that all substances combine in accordance with simple, definite weight relationships?
The law of combining weights
What do the coefficients in a chemical equation represent when the volumes of gases are at the same temperature and pressure?
The volumes of the reactants and products
According to the given information, what is the ratio of CH4 to CO2 in the combustion of methane?
1:2
According to the given information, what is the molar mass of oxygen (O2)?
32 kg/kmol
According to the given information, what is the balanced equation for the combustion of propane (C3H8)?
C3H8 + 5O2 -> 3CO2 + 4H2O
According to the given information, what is the mass of oxygen (O2) required to burn 30 kg of ethane (C2H6)?
54 kg
According to the general gas law, which equation represents the relationship between pressure (P), volume (V), temperature (T), and mass (m) for an ideal gas?
$PV = mRT$
Dalton's law states that the pressure of a mixture of gases is equal to the sum of the partial pressures of its constituents. Which equation represents Dalton's law?
$PT = P_1 + P_2 + P_3$
According to Avogadro's law, equal volumes of all gases at the same temperature and pressure have the same number of molecules. For ideal gases, the mole percentage is the same as the volume percentage.
True
In a complete combustion reaction, which of the following is produced?
Carbon dioxide (CO2) and water (H2O)
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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