| Atmospheric
pressure is 96.5 kPa; |
| mercury
height difference is 233 mm. |
| Find
confined gas pressure, in atm. |
| SMALL +
HEIGHT = BIG |
| 96.5 kPa +
233 mm Hg = X atm |
| 1 atm |
| 1 atm |
| 96.5 kPa |
| + 233 mm Hg |
| = X atm |
| 101.3 kPa |
| 760 mm Hg |
| 0.953 atm +
0.307 atm = X atm |
| X = 1.26 atm |