Similarly, the muscles that maintain our posture contract and relax in a synchronized fashion. If the spasm is forceful and sustained, it becomes a cramp. A muscle cramp is an involuntarily and forcibly contracted muscle that does not relax. Muscle cramps cause a visible or palpable hardening of the involved muscle. Muscle cramps can last anywhere from a few seconds to a quarter of an hour or occasionally longer.
CH3COOH is the chemical formula for acetic acid (vinegar). It is also called ethanoic acid. It is considered to be a weak acid as it is only a partially dissociated acid in water.
Best Answer: Don't know about youtube videos, but here's how to do it. Put HCl in water and write the equation: HCl + H2O ---> H3O+ + Cl-. The acid is HCl, and the conjugate base is Cl-. The name of the base is chloride ion. Another example is CH3COOH or acetic acid. The acid is acetic acid, the conjugate base is the acetate anion, or CH3COO-. Source(s):