Concept explainers
To Compare:
The atomic masses of elements of A and B.
Answer to Problem 74A
The
Explanation of Solution
Given:
Gas A is diatomic while gas
Gas A has 3 times the mass of Gas B. Both have an equal volume at equal temperature and pressure.
Formula used:
As per the ideal gas equation,
Here, P is the pressure, V is the volume, n is the number of moles, R is the gas constant and T is the temperature.
Where, m is the mass, n is the number of moles and M is the molar mass.
Calculation:
As the pressure, volume, and temperature is the same for both the gases, the number of moles ( n ) would also be the same according to
Gas A is diatomic; thus, it can be represented as
Thus, 2(Atomic mass of A)=3 (Atomic mass of B)
The atomic mass of A
Conclusion:
Therefore, the atomic mass of element A is 1.5 timesthe atomic mass of element B.
Chapter 17 Solutions
Conceptual Physics: The High School Physics Program
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