Multiple Choice
Which of the following units is commonly used by a compound pressure gauge to measure the low side pressure in a system?
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7. Gases
Pressure Units
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A tank of N_2O has a pressure of 45.0 psi. What is this pressure in atmospheres (atm)? (1 atm = 14.7 psi)
A
0.33 atm
B
3.06 atm
C
1.53 atm
D
659 atm
Verified step by step guidance1
Identify the given pressure in psi and the conversion factor to atm. Here, the pressure is 45.0 psi and 1 atm = 14.7 psi.
Write the conversion formula to convert pressure from psi to atm: \(P_{atm} = \frac{P_{psi}}{14.7}\).
Substitute the given pressure value into the formula: \(P_{atm} = \frac{45.0}{14.7}\).
Perform the division to find the pressure in atmospheres (atm).
Compare the calculated value with the given options to select the correct pressure in atm.
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