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DanielleElmas [232]
3 years ago
6

The diagram below shows a longitudinal wave at one instant in its motion. Each oval represents a particle acted on by the energy

of the wave as it moves from left to right.
Which line on the diagram indicates a region of rarefaction?
Chemistry
2 answers:
elena-s [515]3 years ago
6 0
There is no diagram for me to answer your question
marusya05 [52]3 years ago
5 0

Answer: It is the middle one on the bottom

Explanation:

trust me i just did this question

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"how many moles of calcium atoms are in 2.5 moles of calcium carbonate caco3"
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Answer: -

2.5 moles of calcium atoms are in 2.5 moles of calcium carbonate CaCO₃

Explanation: -

In order to solve such types of problems, the first step would be to write the chemical formula of the compound.

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From the formula of calcium carbonate we can see that

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Copper (II) oxide will react with sulfuric acid to create water and copper (II) sulfate. This reaction could be classified as a double displacement reaction or a neutralization reaction (metal oxides have basic properties in water).

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Why does the proton determine the identity of an atom ​
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