Respuesta :
Answer: 1.8 cubic feet
Explanation: I got it of unit 10 flashcrads it told be the answer :D
The final volume of 4 ft³ of gas that is compressed from 60°F at 70 psig to 150° at 210 psig is 3.33ft³
According to the general gas equation;
[tex]\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}[/tex]
P1 and P2 are the initial and final pressures respectively
V1 and V2 are the initial volumes and final volume respectively
T1 and T2 are the initial temperatures and final temperature respectively
Given the following parameters
V2 = 4ft³
T1 = 60°F
T2 = 150°F
P1 = 7psig
P2 = 210psig
Substitute the given parameters into the formula as shown:
[tex]\frac{70 \times 4}{60} =\frac{210 \times V_1}{150}\\Cross \ multiply\\280 \times 150 = 60 \times 210V_1\\ 42,000=12,600V_1\\V_1=\frac{42000}{12600}\\V_1= 3.33ft^3[/tex]
Hence the final volume of 4 ft³ of gas that is compressed from 60°F at 70 psig to 150° at 210 psig is 3.33ft³
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