Chemical Description. Sodium carbonate is a sodium salt of carbonic acid and a strong base. It is supplied as a white, odorless powder that is hygroscopic and very soluble in water producing a strong alkaline solution.
v. walked, walkÂ·ing, walks. v.intr. 1. To move over a surface by taking steps with the feet at a pace slower than a run: a baby learning to walk; a horse walking around a riding ring. 2. a. To go or travel on foot: walked to the store.
Here's the Merriam-Webster dictionary definition of running: to go steadily by springing steps so that both feet leave the ground for an instant in each step. That's the key: both feet are in the air at once. During walking, one foot is always on the ground. Jogging is running slowly, and sprinting is running fast. I'll discuss both jogging and running in this article.