The equation of water is H2O but with the reaction woth calcium it becomes 2H2O why
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In the following demonstration, a chunk of calcium metal is dropped into a beaker of distilled water. After a second or so, the calcium metal begins to bubble vigorously as it reacts with the water, producing hydrogen gas, and a cloudy white precipitate of calcium hydroxide.
When an electric current is passed through liquid water (H2O), it changes the water into two gases—hydrogen and oxygen. The molecules of water break apart into individual atoms. ... This reaction produces water and a large amount of energy that helps push the shuttle into orbit.
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