I believe the answer is a because 2 times 12 is 24. Hope this helped
Answer:
Sublimation is a phase transition that occurs when a solid changes into a gas — or, as
Explanation:
2, 4, 1
Explanation:
We have the following chemical reaction:
Ag₂O → Ag + O₂
To balance the chemical equation the number of atoms of each element entering the reaction have to be equal to the number of atoms of each element leaving the reaction, in order to conserve the mass.
So the balanced chemical equation is:
2 Ag₂O → 4 Ag + O₂
Learn more about:
balancing chemical equations
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Answer:
Evaporation
Explanation:
Evaporation is the certain process that requires water to gain heat energy from the environment.