Do we not, in these examples, gather strong intimations of a great law of chemical change in the universe?
Finally, geology discloses to us chemical change as a great animating, controlling, and conservative principle of the material universe.
In every species of chemical change, temperature is concerned.
No change in sensible qualities can ever indicate with precision the nature of chemical change.
The amount by weight of the elements in every chemical equation must be equal on both sides of the equation, since no element is either formed or destroyed in a chemical change.
The essence of chemical change is embraced in the study of how, and with what substances, each element is combined before and after change.
The silver which the alchemists extracted from the lead was in the lead, and was not obtained by a chemical change of the lead itself.
Therefore the gas below the screen never got hot enough for the chemical changeof oxidation, or burning, to take place.
The only reason we do not burn up is that it usually requires heat to start a chemical change.
The food, as the result of chemical change, has become soluble, and after being dissolved it is dialyzable--i.
Each of the digestive juices contains a ferment which brings about a chemical change in the food.
The velocity of chemical change of a given substance (‹chemical velocity›) is also measured in terms of moles, and is represented by the number of moles or the fraction of a mole changed per minute.
Heat or concussion causes a chemical change, and transforms the solids into gases.
Now either the sugar, the acid, or the water has undergone a chemical change.
Is a physical change always accompanied by a chemical change?
Give two or more characteristics of a chemical change.
Since the energy possessed by coal only becomes available when the coal is made to undergo a chemical change, it is sometimes called chemical energy.
Any reference to the chemical agency of LIGHT--the luminous rays as distinguished from the chemical and calorific rays--has been avoided until we came to the consideration of this particular question of chemical change.
At length a man of genius announced that “No substance can be exposed to the sun’s rays without undergoing a chemical change;” but his words fell idly upon the ear.
The electrical spark will produce heat, light, chemical change, and movement.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "chemical change" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
