How to Get Water to 80 Degrees Celsius Without a Thermometer

Learn simple methods to heat water to 80°C without a thermometer using boiling water and cooling techniques.

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To get water to 80 degrees without a thermometer, bring the water to a boil (100 degrees Celsius) and let it cool for approximately 5-6 minutes. This should bring the temperature down to around 80 degrees Celsius. Another method is to mix 1 part boiling water with 3 parts room temperature water; this ratio also yields a temperature close to 80 degrees Celsius. These techniques provide a practical way to estimate the temperature without needing precise instruments.

FAQs & Answers

  1. How long should boiled water cool to reach 80 degrees Celsius? Boiled water should cool for about 5 to 6 minutes, which typically lowers its temperature from 100°C to approximately 80°C.
  2. Can mixing boiling water with room temperature water give an accurate 80 degrees Celsius? Yes, mixing 1 part boiling water with 3 parts room temperature water produces water close to 80°C without needing a thermometer.
  3. Why might someone want to heat water to exactly 80 degrees Celsius? Certain recipes, tea brewing methods, or scientific experiments require water at specific temperatures like 80°C for optimal results.

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