| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ideal gas constant for air in english units | 0.13 | 0.5 | 4991 | 3 |
| specific gas constant for air english units | 1.87 | 0.7 | 178 | 62 |
| ideal gas constant in english units | 0.5 | 0.8 | 2256 | 12 |
| gas constant of air in english units | 1.01 | 0.5 | 8393 | 86 |
| universal gas constant for air english units | 1.79 | 0.8 | 1183 | 75 |
| specific ideal gas constant for air | 0.59 | 0.6 | 7871 | 40 |
| ideal gas constant for air | 1.69 | 0.7 | 8481 | 79 |
| gas constant for air units | 1.6 | 0.1 | 6585 | 90 |
| ideal gas constant air si units | 1.57 | 0.3 | 8869 | 77 |
| gas constant of air in imperial units | 1.25 | 1 | 1405 | 20 |
| gas constant of air english | 1.81 | 0.3 | 2423 | 60 |
| gas constant english units | 1.94 | 1 | 5560 | 93 |
