Freezing Mixtures
Description
This section is from the book "Practical Mechanics For Boys", by James Slough Zerbe. Also available from Amazon: Practical Mechanics for Boys.
Freezing Mixtures
| Mixtures | Temperature Changes in Degrees Fahrenheit | |
| From | To | |
| Common salt, 1 part; snow, 3 parts | 32 | zero .0 |
| Common salt, 1 part; snow 1 part | 32 | - .4 |
| Calcium chloride, 3 parts; snow 1 part | 32 | -27 |
| Calcium chloride, 2 parts; snow 1 part | 32 | -44 |
| Sal ammoniac, 5 parts; salt-peter 5 parts; water 16 parts | 50 | -10 |
| Sal ammoniac, 1 parts; salt-peter 1 part; water 1 part | 46 | -11 |
| Ammonium nitrate, 1 part; water 1 part | 50 | - 3 |
| Potassium hydrate, 4 parts; snow 3 parts | 32 | -35 |
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