3 years ago

Which of the following is a precipitation reaction?

Chemistry

1 answer:

erik [133]3 years ago

3 0

Answer:

The precipitated are option a and d.

Explanation:

2 LiI(aq) +Hg2(NO3)2(aq) → Hg2I2(s) ↓ + 2 LiNO3(aq)

Cation Hg2+ 2 in the presence of iodide, a precipitated is formed.

Zn(s) + 2AgNO3(aq) → 2 Ag(s) ↓ +Zn(NO3)2(aq)

Zinc starts to get rid, and some white particles also stick to it. Afterwards the solution becomes cloudy and a precipitate appears, which is the solid silver

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Gala2k [10]

Answer:

B only

Explanation:

Using the VSEPR principle, the electron bond pairs and the lone pairs on the middle atom help us predict the structure of the molecule. The shape of a molecule is determined by the position of the nucleus and its electrons. The electrons and the nucleus settle in positions that minimize repulsion and maximize attraction.

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3 years ago

Which of the following is an example of a reaction that you've seen in your everyday life ?

soldier1979 [14.2K]

I believe this pertains to chemical reaction? So my guess would be answer A “Fire burning”

Don’t quote me though lol.

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frez [133]

I believe the answer is B. a million or more.

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Sladkaya [172]

Answer:

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Explanation:

40 g of argon = 1mole

Then 20g of argon is,

→ 1/40 × 20

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3 years ago

Methane to acetylene??

Anestetic [448]

Answer:

For me it's Methane

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3 years ago