Concept explainers
(a)
Interpretation: The density of gas at STP should be calculated. If it is greater than the density of air or not should be determined.
Concept Introduction: The density of a substance is its mass per unit volume. It is mathematically represented as follows:
Here, m is mass and V is volume.
At STP, the value of temperature is
Here, P is pressure, V is volume, n is the number of moles, R is Universal gas constant and T is temperature.
Also, the number of moles is related to mass and molar mass as follows:
Here, m is mass and M is molar mass.
Putting the value of the number of moles from equation (3) to (2) thus,
Or,
Putting the value of volume in equation (1) thus,
Or,
(a)
Answer to Problem 5.49P
The density of
Explanation of Solution
The given gas is
The molar mass of the gas is 64.066 g/mol. The pressure and temperature at STP will be 1 atm and 298.15 K thus, density can be calculated using the following relation:
Putting the values,
The density of air at STP is 1.29 g/L. The value of density of
(b)
Interpretation: The density of gas at STP should be calculated. If it is greater than the density of air or not should be determined.
Concept Introduction: The density of a substance is its mass per unit volume. It is mathematically represented as follows:
Here, m is mass and V is volume.
At STP, the value of temperature is
Here, P is pressure, V is volume, n is the number of moles, R is Universal gas constant and T is temperature.
Also, the number of moles is related to mass and molar mass as follows:
Here, m is mass and M is molar mass.
Putting the value of number of moles from equation (3) to (2) thus,
Or,
Putting the value of volume in equation (1) thus,
Or,
(b)
Answer to Problem 5.49P
The density of
Explanation of Solution
The given gas is
The molar mass of the gas is 16.04 g/mol. The pressure and temperature at STP will be 1 atm and 273.15 K thus, density can be calculated using the following relation:
Putting the values,
The density of air at STP is 1.29 g/L. The value of density of
(c)
Interpretation: The density of gas at STP should be calculated. If it is greater than the density of air or not should be determined.
Concept Introduction: The density of a substance is its mass per unit volume. It is mathematically represented as follows:
Here, m is mass and V is volume.
At STP, the value of temperature is
Here, P is pressure, V is volume, n is the number of moles, R is Universal gas constant and T is temperature.
Also, the number of moles is related to mass and molar mass as follows:
Here, m is mass and M is molar mass.
Putting the value of the number of moles from equation (3) to (2) thus,
Or,
Putting the value of volume in equation (1) thus,
Or,
(c)
Answer to Problem 5.49P
The density of
Explanation of Solution
The given gas is
The molar mass of the gas is 1.008 g/mol. The pressure and temperature at STP will be 1 atm and 273.15 K thus, density can be calculated using the following relation:
Putting the values,
The density of air at STP is 1.29 g/L. The value of density of
(d)
Interpretation: The density of gas at STP should be calculated. If it is greater than the density of air or not should be determined.
Concept Introduction: The density of a substance is its mass per unit volume. It is mathematically represented as follows:
Here, m is mass and V is volume.
At STP, the value of temperature is
Here, P is pressure, V is volume, n is the number of moles, R is Universal gas constant and T is temperature.
Also, the number of moles is related to mass and molar mass as follows:
Here, m is mass and M is molar mass.
Putting the value of the number of moles from equation (3) to (2) thus,
Or,
Putting the value of volume in equation (1) thus,
Or,
(d)
Answer to Problem 5.49P
The density of
Explanation of Solution
The given gas is
The molar mass of the gas is 4.002 g/mol. The pressure and temperature at STP will be 1 atm and 273.15 K thus, density can be calculated using the following relation:
Putting the values,
The density of air at STP is 1.29 g/L. The value of density of
(e)
Interpretation: The density of gas at STP should be calculated. If it is greater than the density of air or not should be determined.
Concept Introduction: The density of a substance is its mass per unit volume. It is mathematically represented as follows:
Here, m is mass and V is volume.
At STP, the value of temperature is
Here, P is pressure, V is volume, n is the number of moles, R is Universal gas constant and T is temperature.
Also, the number of moles is related to mass and molar mass as follows:
Here, m is mass and M is molar mass.
Putting the value of the number of moles from equation (3) to (2) thus,
Or,
Putting the value of volume in equation (1) thus,
Or,
(e)
Answer to Problem 5.49P
The density of
Explanation of Solution
The given gas is
The molar mass of the gas is 44.01 g/mol. The pressure and temperature at STP will be 1 atm and 273.15 K thus, density can be calculated using the following relation:
Putting the values,
The density of air at STP is 1.29 g/L. The value of density of
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Chapter 5 Solutions
Introduction to General, Organic and Biochemistry
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