Answer:
An example of a single replacement reaction occurs when potassium (K) reacts with water (H2O). A colorless solid compound named potassium hydroxide (KOH) forms, and hydrogen gas (H2) is set free.
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Explanation:
I don't understand, I'm sorry
100 C or 212 F
That is the boiling point for liquid so both gas and liquid are presented.
32 ° F
Freezing temp for water is 32 degrees at 1 atm
when the velocity of an object changes,it is acted upon by an external force
