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.
Walking is a great aerobic exercise. It works muscles in a different way than running and the impact to your body is greatly reduced. The key is to make sure your pace is fast enough to get your heart rate up. This can be difficult if you are use to running or a faster paced exercise.