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Korolek [52]
3 years ago
12

characteristics of matter that can be seen through direct observation such as density, melting point and boiling point

Chemistry
2 answers:
HACTEHA [7]3 years ago
6 0
This is true, not false.
fiasKO [112]3 years ago
4 0
This is not a question. It is a fact.
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Describe endothermic vs. exothermic reactions in terms of product formation. (hint: what happens when products are formed?)
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Answer:

Endothermic reaction chemical equation

Reactnt A + Reactant B + Heat (energy) ⇒ Products

Exothermic reaction chemical equation

Reactnt A + Reactant B ⇒ Products + Heat (energy)

Explanation:

Endothermic Reaction

An endothermic reaction is a reaction that reaction that requires heat before it would take place resulting in the absorption of heat from the surrounding that can be sensed by the coolness of the reacting system

An example of an endothermic reaction is a chemical cold pack that becomes cold when the chemical and water inside it reacts

Exothermic Reaction

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