Thermal energy is the energy of movement.
Answer:
a molecule
Explanation:
A molecule is the smallest unit quantity of a compound which can exist by itself and retain ALL the properties of the original substance.
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can i have brain pls
<span>The elastic potential energy stored in the stretched rubber band changes to kinetic energy.</span>
Answer:
B.) If sodium carbonate is added to vinegar, the reaction will absorb heat.
Explanation:
A.) is incorrect because this is not testable. Rather, it is just an opinion that cannot be proven correct or incorrect.
B.) is correct because this statement is testable. Tests need to be run to determine the accuracy of the statement.
C.) is incorrect because this statement explains something that does not need to be tested. It is an example of a physical change when one tears a piece of paper.
D.) is incorrect because this is already a true statement. It is obvious that not all reactions absorb/release heat. While tests could be run to further prove this statement true, it is already considered accurate.
