Answer:
Condensation
Explanation:
This is because, The water evaporates and then condenses back into water.
The answer is a piece of pottery on the edge of a high shelf because it has stored energy and might crash down any second.
Answer is: It can produced water that are needed by animals,plants and people
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Answer:
B. Cl₂ + NaBr → NaCl + Br₂
Explanation:
The single replacement chemical equation that is <u>unbalanced</u> is Cl₂ + NaBr → NaCl + Br₂.
A look at the equation and you will discover that the chlorine on the reactant side is not balanced with the one on the product side. The chlorine at the reactant side has 2 atoms of chlorine but just 1 atom of chlorine in the product side. Therefore, it is unbalanced. Also, you will discover that the bromine on the reactant side is not balanced with the one at the product side. The bromine on the reactant side has 1 atom of bromine while at the product side, it has 2 atoms. Therefore, it is unbalanced.
For a chemical equation to be balanced, the number of atoms and molecules at the reactant side must be equal to the number of atoms and molecules at the product side. A single replacement reaction takes place whenever there is a replacement of one element by another element in a compound during a chemical reaction.
D. When sound travels faster, wavelengths tend to vibrate fast. Where, the crests are near each other.