Question

 Which of the following is equivalent to 51.45psi?

1. 0.67 atm b.1.48 atm c. 1.80 atm d. 3.50 atm

Answer 1

1 psi is approximately 0,068 atm. Thus, 51.45psi is

$$51.45\cdot 0.068\space atm \approx 3.5\space atm$$

Answer. d. 3.5 atm.