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Which statement about the MRE heating reaction is considered to be
FALSE?
Magnesium is a reactant
Water is a reactant
The reaction absorbs heat
Magnesium hydroxide is a product

Ask by Reyes Mills. in the United States
Mar 22,2025

Solución de inteligencia artificial de Upstudy

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“The reaction absorbs heat.” is false.

Solución

  1. The reaction used in MRE heaters is based on the reaction of magnesium with water. The overall reaction is:
  2. In this reaction:
    • is a reactant.
    • (water) is a reactant.
    • (magnesium hydroxide) is a product.
  3. The reaction is exothermic, meaning it releases heat, rather than absorbing it.
  4. Therefore, the false statement is:

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Mind Expander

To unravel the mystery around MRE heating reactions, let’s dive in! Magnesium indeed participates as a reactant, while water is essential for the reaction to happen. However, the statement “the reaction absorbs heat” is where the twist lies – this is false as the reaction is exothermic, meaning it releases heat instead! Lastly, magnesium hydroxide is indeed a product, making its presence in the equation spot-on.
If you’re curious about the reactions themselves, consider the fascinating world of exothermic and endothermic reactions! They showcase how energy transfers play critical roles in chemical processes, from the warmth of your MRE to everyday cooking. Understanding these principles can enhance your appreciation for chemistry in action!

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