TABLE OF CONTENTS
PAGE
DIRECTIONS FOB WORK 1
NOTES ON LABORATORY MANIPULATION.
I. Precipitation; Crystallization. 2. Pouring. 3. Transferring
precipitates or crystals. 4. Filtering; Collecting precipitates.
- Washing precipitates. 6. Evaporation. 7. Dissolving solid
substances. 8. Crystallization. 9. Drying. 10. Pulverizing.
II. Neutralizing. 12. Dry reactions; Furnaces. 13. Gas gener-
ators. 14. Weighing.
CHAPTER I. THE QUANTITATIVE ASPECTS OP CHEMISTRY
Experiments 23
Exp. 1. The combining Ratio of Zinc and Oxygen 24
Exp. 2. Weight of a Liter of Oxygen 25
Exp. 3. Volume of Hydrogen displaced by Zinc 28
Exp. 4. The Combining Ratio of Hydrogen and Oxygen in Water. 30
Exp. 5. Approximate Molecular Weight of a Volatile Liquid by
Dumas' Method 33
Notes and Problems 36
The law of definite proportions. The law of multiple proportions.
The law of combining weights. The atomic theory. Atomic
weights. Standard of atomic weights, 0 = 16. Measurement of
gases. Boyle's law. Charles' law. Dalton's law. Saturated water
vapor. Gay-Lussac's law of combining volumes. Avogadro's
principle. Molecular weights; Moles. Molal volume. Avogadro's
number. Atomic weights. Derivation of a formula.
CHAPTER II. WATER AND SOLUTION
Preparations 52
- Potassium Nitrate 52
- Crystallized Sodium Carbonate 58
- Ammonium-Copper Sulphate 61
- Potassium-Copper Sulphate 62
Experiments 63
Hydrates. Water of hydration. Composition of a crystal hydrate.
Efflorescence. Deliquescence. Elements and Water. Sodium.
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