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If the temperature of the refrigerant cylinder increases from 70°F to 100°F, what is the new pressure in PSIG?

A. 125 PSIG
B. 150 PSIG
C. 175 PSIG
D. 200 PSIG

Answer :

Final answer:

To find the new pressure in PSIG when the temperature of the refrigerant cylinder increases, we can use the ideal gas law equation. Using the given initial and final temperatures and the initial pressure, we can calculate the new pressure. The new pressure is approximately 73.91 PSIG.

Explanation:

To find the new pressure in PSIG, we can use the ideal gas law equation:

P1/T1 = P2/T2

Where P1 is the initial pressure, T1 is the initial temperature, P2 is the final pressure, and T2 is the final temperature.

Converting the initial and final temperatures to Kelvin:

T1 = 70°F + 459.67 = 529.67K

T2 = 100°F + 459.67 = 559.67K

Substituting these values into the equation:

P1/529.67 = P2/559.67

Solving for P2:

P2 = (P1 * 559.67) / 529.67

Using the given values, let's calculate:

P2 = (70 PSIG * 559.67) / 529.67

P2 = 73.91 PSIG

Therefore, the new pressure in PSIG is approximately 73.91 PSIG.

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