(water,methane, ammonia) with bits of dust embedded in it -a kind of dirty ice ball.As it approaches the Sun, radiation from the Sun vaporizes the icy matter and releases some of the dust.This forms a gigantic halo around the ice ball.This halo-called the coma extends out tens of ...
When two chemicals are mixed and the beaker gets warm, it usually indicates that a chemical reaction has taken place. True or False? It is important that the Erlenmeyer flask is dry before adding the Mg because magnesium is very reactive with water. 1. True 2. Fal...