Answer:
B
Explanation:
Cuz they are supported once discovered and then widely spread then accepted
To fine volume, you have to divide the mass by the density of the substance. in this, you’ll do 19.6/7.83=2.50
<span>NH3 is the answer, if u look up its ph its a weak base</span>
Answer:
B. A chemical change occurred which caused the liquid's physical properties to change.
Explanation:
The reduction of the temperature of the system meant that the reaction absorbed heat energy from it. This shows that a chemical reaction was in progress. New products were formed, and this is proved by the change in the color to blue.
The answer to the question is Eight
