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11 grade chemistry others

Why does nothing happen to us when we drink water, as our stomach contains HCl and when water is added to concentrated acids, a highly exothermic reaction takes place?

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10 Months agoGrade
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1 Answer

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ApprovedApproved Tutor Answer10 Months ago

When we drink water, our body handles it quite differently than how concentrated acids react with water. The stomach does contain hydrochloric acid (HCl), but the concentration of this acid is much lower than that of concentrated acids used in chemical reactions.

The Role of Hydrochloric Acid

HCl in the stomach is essential for digestion. It helps break down food and kill harmful bacteria. However, the concentration is carefully regulated by our body.

Why No Reaction Occurs

When you add water to concentrated acids outside the body, it can cause a violent reaction due to the rapid release of heat and gas. In contrast, when you drink water, it mixes with the stomach contents gradually and does not cause a similar reaction for several reasons:

  • Dilution: The water dilutes the HCl, reducing its concentration.
  • Temperature Regulation: The body maintains a stable temperature, preventing extreme reactions.
  • Controlled Environment: The stomach is designed to handle liquids and acids safely.

Safe Consumption

Drinking water is safe and essential for our health. It helps with digestion, nutrient absorption, and overall hydration without causing any harmful reactions in the stomach.