SylviaHoltorf563
Answered

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Hydrogen gas (H2) and oxygen gas (O2) react to form liquid hydrogen peroxide (H2O2). Which statement is true about the reaction? The same atoms are present, so the chemical properties are the same. The atoms of the reactants have combined to form a new substance. The product that is formed has the same physical properties as the reactants. The two gases have mixed together, but a new substance has not formed.

Sagot :

The atoms combine to form a new substance.
Porshia
The answer is the atoms of the reactants have combined to form a new substance. Every product of a chemical equation has to be a new substance. If their is no new substance then, a chemical change never occurred and there is no chemical equation. The new substance never has the same properties as the reactants. That's why they call it a "new" substance. Also, the atoms are the ones that combine. They are not mixed
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