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Stolb23 [73]
3 years ago
12

Why does silver gate tarnish on exposed to air

Chemistry
2 answers:
Lelu [443]3 years ago
7 0

Answer:

when silver articles exposed to air silver racts with Sulphur present in the atmosphere and form a black layer of silver sulphide on the surface. copper articles get tarnished by reacting with air and water. due to this, a layer is formed over copper vessels.

stich3 [128]3 years ago
6 0

Explanation: When silver is exposed to sulfur-containing gases in the air, it discolours and then darkens as it reacts with the gas to form a surface layer of tarnish If a silver object is to be kept from tarnishing, it must be protected from sulfur-containing gases.

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Explanation:

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Determine the molecular weight of H20.<br> o 18 g<br> O 18.0 g<br> O 18.01 g<br> O 18.016 g
Sonbull [250]

Answer:

The correct answer is D

<u>18.016 g</u>

<u></u>

Explanation:

Molecular Weight : It is the sum of atomic weights of each atoms present in the compound.

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This is calculated by using :

Molecular weight = number of atom x atomic mass of the atom

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