A gas sample occupies 2.1 L at a pressure of 101 kPa.
2 answers:
Answer:
0.9L
Explanation:
Given parameters:
Initial volume = 2.1L
Initial pressure = 101kPa
Final pressure = 235kPa
Unknown:
Final volume = ?
Solution:
The relationship is between pressure and volume. To solve this problem, we apply Boyle's law which states that "the volume of a fixed mass of a gas varies inversely as the pressure changes if the temperature is constant".
Mathematically;
P₁V₁ = P₂V₂
P₁ is the initial pressure
V₁ is the initial volume
P₂ is the final pressure
V₂ is the final volume
Now insert the parameters and solve;
2.1 x 100 = 235 x V₂
V₂ = 0.89L
Answer:
D) 0.9 L
Explanation:
At constant temperature,
PV = Constant
so,
P1.V1 = P2. V2
101 × 2.1 = 235 × V2
V2 = 0.9 L
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