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The diagram below shows the reaction of oxygen gas and hydrogen gas to form water. The chemical reaction shown above takes place in a closed system. What is true about the system while the reaction occurs? A. The total mass of the system stays the same. B. The mass of the oxygen atoms increases. C. The mass of the hydrogen atoms decreases. D. The total mass of the system increases.

Respuesta :

The system that states a true claim regarding while the reaction took place would be:

A). The total mass of the system stays the same.

Chemical Reaction

  • Given reaction,
  • [tex]2H_{2} + O_{2}[/tex] → [tex]2H_{2}O[/tex]
  • The claim stating that there would be no change in the total mass of the system is correct.
  • The law of conservation of mass states that when a chemical reaction takes place, its mass can neither be destroyed nor produced irrespective of the reaction.
  • Thus, option A is the correct answer.

Learn more about "Chemical Reaction" here:

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