A mixture contains two non-reacting gases A and B. If the partial pressures of A and B are 3 bar and 5 bar, respectively, what is the total pressure of the mixture?
8 bar
To find the total pressure of a mixture containing non-reacting gases, we use Dalton's Law of Partial Pressures. This law states that the total pressure of a mixture of non-reacting gases is equal to the sum of their individual partial pressures.
Given in the question:
- Partial pressure of gas A, P_A = 3 \, \text{bar}
- Partial pressure of gas B, P_B = 5 \, \text{bar}
According to Dalton's Law:
P_{\text{total}} = P_A + P_B
Substituting the values, we get:
P_{\text{total}} = 3 \, \text{bar} + 5 \, \text{bar} = 8 \, \text{bar}
Therefore, the total pressure of the mixture is 8 bar.
Hence, the correct option is 8 bar.
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Important Questions from States of Matter
A liquid is heated up to a certain temperature. Which one of the following situation would correspond to the boiling of the liquid?
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Match List I with List II and select the correct answer using the code given below the Lists:
Code:List I (Noble gas)
List II (Use)
A. Argon
1. In lights for advertising display
B. Neon
2. Airport landing lights and in light houses
C. Krypton
3. Light in photographer’s flash gun
D. Xenon
4. In tungsten filament to last
Match List-I with List-II and select the correct answer using the code given below the Lists:
List I
(Process)
List II
(Type of change)
A. Heating of camphor
1. Chemical
B. Cooling of water vapor up to room temperature
2. Evaporation
C. Cooking an egg
3. Condensation
D. Formation of water vapor at room temperature.
4. Sublimation
