0.0006510 kg has how many significant figures.
2 answers:
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Answer:
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Answer: Option (D) is the correct answer.
Explanation:
The chemical reaction equation will be as follows.
This means a new substance has been formed and a chemical change has taken place.
A chemical reaction in which heat energy is absorbed by the reactant molecules is known as an endothermic reaction.
For example,
On the other hand, a chemical reaction in which heat energy is released by the reactant molecules is known as an exothermic reaction.
For example, is an exothermic reaction.
Thus, we can conclude that in the given situation the beaker most likely felt warm because a chemical reaction was producing a new substance.