Answer: option 1) <span>
2Cr3+(aq)+6Cl-(aq) ------> 2Cr(s)+3Cl2(g)Explanation:1) Write the oxidation half-reaction:

2) Write the reduction half-raction:

3) Multiply each half-reaction by the appropiate coefficient to equal the number of electrons of both half-reactions.

4) Add both half-reactions

And that is the answer. You can count the atoms and charges on every side and check they are equal.
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Answer:
The Etna volcano when it previously erupted released a lot of smoke, and then volcanic lava.
Explanation:
The eruption of this volcano was on the Italian island of Sicily.
Where there were large columns of smoke and after that the volcanic magma in a viscoelastic state was released into the external environment.
Some sources claim that the eruption of this volcano reached the areas of Zaffanera.
Concentration is the amount of substance per defined space. Another definition is the ratio of solute in a solution to either solvent or total solution. :)
Lots of fonts, you can also insert those images with the checkered background (they show up clear) and decorate it, also make sure that you have proper spacing a paragraph structure
It just is because science is science and it's supposed to make sense