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.
Keflex capsules should be stored at room temperature. The oral suspension (liquid) should be refrigerated once it is in liquid form. The oral suspension expires 14 days after being prepared and should be discarded accordingly. Keflex products should be kept protected from light, moisture, and excessive heat. Keep this and all medications out of the reach of children.