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lesantik [10]
3 years ago
11

No pure elements are liquids at room temperature.

Chemistry
1 answer:
Luden [163]3 years ago
8 0
Mercury and Bromine are liquid at room temperature.
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HELP ME PLEASE. Which of the following statements is true for electrolysis? New atoms are created by destroying old atoms. A com
babymother [125]
<h3>Answer:</h3>

An electric current is used to decompose a substance.

<h3>Explanation:</h3>

Concept tested: Electrolysis

We can answer the question by asking ourselves important questions

First; What is electrolysis?

  • Electrolysis refers to the process through which molten or aqueous compound known as electrolytes are decomposed by passing electric current through them.

Second; What are electrolytes?

  • Electrolytes are substances in either molten or aqueous form and are good conductors of electric current.
  • Electrolytes are good conductors of electric current due to the presence of mobile ions.

Third: What happens during electrolysis?

  • Electrolytes are therefore decomposed by passing electric current through them resulting to formation of new elements or molecules.
  • For example, when molten sodium chloride is decomposed by passing electric current through it, sodium metal is released at the cathode while chlorine is released at the anode.
5 0
3 years ago
Is baking soda reacting to vinegar a physical or chemical change
ArbitrLikvidat [17]

Answer:

I'd probably say both. It physically changes because it creates CO2. It chemically changes because they are basically working together for the atoms to rearrange and creates a chemical reaction.

Explanation:

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4 0
2 years ago
Which of the following pairs of elements are most likely to form an ionic bond?
gregori [183]

Answer:

Ionic bonds ussally form with a metal, and a non metel elements, so the answer would most likley be B.

Explanation:

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5 0
3 years ago
Calcium phosphate reacts with sulfuric acid to form calcium sulfate and phosphoric acid. What is the stoichiometric coefficient
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Explanation:

Isjzjzsj

4 0
3 years ago
Predict how many grams of KCI is produced from 40 grams of K?
Nutka1998 [239]

Explanation:

firstly find for the molar mass of kcl and molar mass of k

and then

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3 years ago
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