B. A chemical change has occurred and energy was given off
Answer:
Electrical Energy
Explanation:
There are a variety of chemical and mechanical devices that are called batteries, although they operate on different physical principles. A battery for the purposes of this explanation will be a device that can store energy in a chemical form and convert that stored chemical energy into electrical energy when needed.
The answer is A.
A pure substance is pure, so it cannot be separated in most cases.
Answer:the suns family is stars think about how many stars are in the sky there are billons and more billions
Explanation:
Answer:
The Law of Definite Proportions ensures that chemical compounds are always created using the same proportions, regardless of the amount of the compound which is being made
