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In the decomposition of water, why is twice as much hydrogen as oxygen formed?

Hydrogen gas has two atoms, and oxygen gas has one atom. Hydrogen gas has two atoms, and oxygen gas has one atom. Hydrogen atoms are twice the size of oxygen atoms. Hydrogen atoms are twice the size of oxygen atoms. Some oxygen gas escapes the reaction, and hydrogen gas is conserved. Some oxygen gas escapes the reaction, and hydrogen gas is conserved. There are two atoms of hydrogen and one atom of oxygen in a water molecule. There are two atoms of hydrogen and one atom of oxygen in a water molecule.

The correct explanation is: There are two atoms of hydrogen and one atom of oxygen in a water molecule.

In the decomposition of water, twice as much hydrogen as oxygen is formed because there are two atoms of hydrogen and one atom of oxygen in a water molecule. When water is decomposed, it splits into its constituent elements, hydrogen and oxygen. Since there are two hydrogen atoms and one oxygen atom in each water molecule, during the decomposition, each water molecule will yield two molecules of hydrogen gas (H2) and one molecule of oxygen gas (O2). Therefore, the ratio of hydrogen to oxygen formed is 2:1.

In the decomposition of water, twice as much hydrogen as oxygen is formed because there are two atoms of hydrogen and one atom of oxygen in a water molecule. When water decomposes, it breaks down into its constituent elements: hydrogen and oxygen. Since each water molecule contains two atoms of hydrogen, for every water molecule that decomposes, two molecules of hydrogen are formed. On the other hand, there is only one atom of oxygen in each water molecule, so only one molecule of oxygen is formed. Therefore, the ratio of hydrogen to oxygen formed during the decomposition of water is 2:1.