- #1
aclark609
- 35
- 1
Okay so if 1 atm is the pressure in our natural surroundings (I know it depends on altitude, but humor me, ummkay?), and 1 atm = 15 psi, then why does a pressure cooker get water to boil at 121 degrees Celsius. I mean the pressures are the same. How does a pressure cooker allow it to get hotter?