Question
Download Solution PDFLowest temperature is reached by using -
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:-:
Refrigerants and Cooling Methods
- Different substances and mixtures can reach different minimum temperatures when used for cooling purposes.
- Commonly used cooling mixtures and their approximate temperatures:
- Ether + Dry Ice:
- Not commonly used or optimal for reaching extremely low temperatures.
- NH4Cl (Ammonium Chloride):
- Typically used in cooling packs and not for extreme low temperatures.
- Acetone + Dry Ice:
- This mixture can reach temperatures around -78 °C.
- CaCl2.2H2O (Calcium Chloride Dihydrate):
- Often used in cooling mixtures, but not for the lowest temperatures achievable by common means.
- Ether + Dry Ice:
The mixture that reaches the lowest temperature is Acetone + Dry Ice
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