| Share | Phrase |
|---|
| 28.37% | reaction [does] liberate |
| 26.53% | by-product [does] liberate |
| 12.56% | liberate compound [perform operation] |
| 9.08% | liberate sulfide [perform operation] |
| 6.16% | liberate heat [perform operation] |
| 5.12% | liberate glycol [perform operation] |
| 4.96% | liberate energy [perform operation] |
| 3.12% | liberate hydrogen [perform operation] |
| 2.74% | liberate oxygen [perform operation] |
| 1.31% | liberate in chamber |