THEORIES.

The La Place theory--Theory of evolution--New theory of chemistry

CHAPTER LXII

GAS VOLUMES AND WEIGHTS.

Quantitative experiments with oxygen and hydrogen--Problems



AN INTRODUCTION TO CHEMICAL SCIENCE



CHAPTER I.

THE METRIC SYSTEM.

1. The Metric System is the one here employed. A sufficient
knowledge of it for use in the study of this book may be gained
by means of the following experiments, which should be performed
at the outset by each pupil.

2. Length.

Experiment 1.--Note the length of 10 cm. (centimeters) on a
metric ruler, as shown in Figure 1. Estimate by the eye alone