The U.S. has vast reserves of natural gas that are commercially viable as a result of advances in horizontal drilling and hydraulic fracturing technologies enabling greater access to gas in shale formations.
Yes, you can open the Keflex capsule and take the contents. However, that way you may miss some of the dose if all the contents of what you mixed it in don't get eaten. And the taste of the antibiotic powder may not be so nice.
If your liquid form is a suspension, shake the bottle well before each dose. If you are using sustained-release tablets or capsules, swallow the medication whole. Do not crush, chew, or break the tablets or capsules. Doing so can destroy the long action of the drug and may increase side effects.