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Anna35 [415]
3 years ago
14

2. When vinegar is added to eggshells, carbon dioxide gas is produced.​Why?

Chemistry
1 answer:
skad [1K]3 years ago
4 0

Answer:

same as his

Explanation:

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Based on the equations below, which metal is the least active? Pb(NO3)2(aq) + Ni (s) --> Ni(NO3)2 (aq)+ Pb(s) Pb(NO3)2(aq) +
viva [34]

Answer:

Ni

Explanation:

An active metal is a highly reactive metal. Active metals are found high up in the activity series.

Active metals react with other metals that are lower than them in the activity thereby displacing the lower metals from a solution of their salts. This is what may have happened in the other two reactions.

Ni is the most active metal listed in the question since it can react a compounds with Pb(NO3)2(aq) to liberate Pb metal.

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168.75 ml

Explanation:

M1V1=M2V2

375ml*.45M=1M*V2

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Which process can separate out the solute from the solvent?
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Evaporation of the solution
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