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vera_ewing

  • one year ago

What is an example of how temperature affects the rate of reactions in everyday life?

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    • one year ago
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    • one year ago
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    Here are just a few everyday demonstrations that temperature changes the rate of chemical reaction: Cookies bake faster at higher temperatures. Bread dough rises more quickly in a warm place than in a cool one. Low body temperatures slow down metabolism. In fact, warm-blooded animals regulate body temperature so that their biochemical reactions run at the correct rate. Lightsticks produce light via a chemical reaction. Dropping a lightstick into hot water makes it glow more intensely, demonstrating that the reaction runs faster at higher temperature. Increasing the concentration of reactants also changes reaction rate: Two antacid tablets will neutralize a given amount of acid faster than one tablet will. Higher concentrations of acid in rain erode marble faster than lower concentrations.

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