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serg [7]
3 years ago
15

Arrange these elements according to atomic Pb Si C Sn Ge

Chemistry
1 answer:
choli [55]3 years ago
5 0
........C<Si<Ge<Sn<Pb
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The population of the world is: increasing decreasing no longer changing
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Increasing every day. in 2013, we had about 7.125 Billion. in 9160, we had closer to 3 billion. It is still on a pretty steady clime today.
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3 years ago
What element has greatest atomic radius from group 3?
stira [4]

Answer:

i think iron

Explanation:

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Which of the following is a physical change?
Anit [1.1K]
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Equal volumes of SO2(g) and O2(g) at STP contain the same number of
LuckyWell [14K]

Answer:

Equal volumes of SO2(g) and O2(g) at STP contain the same number of molecules

Explanation:

According to Avogadro Law,

Equal volume of all the gases at same temperature and pressure have equal number of molecules.

This law state that volume and number of moles of gas have direct relation.

When the amount of gas increases its volume will increase and when the amount of gas decreases its volume will decrease.

Mathematical relation:

V ∝ n

V/n = K

K is proportionality constant.

When number of moles change from n₁ to n₂ and volume from V₁ to V₂

expression will be,

V₁/n₁ = K     ,     V₂/n₂ = K

V₁/n₁ = V₂/n₂

8 0
3 years ago
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Insulin is a protein that is used by the body to regulate both carbohydrate and fat metabolism. A bottle contains 375 mL of insu
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Mass  =  Density  ×   Volume
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∴ the total mass of insulin in the bottle is 11.25 g (11250 mg)
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