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Mice21 [21]
3 years ago
9

If iron metal reacts with an aqueous solution of silver nitrate and zinc reacts with an aqueous solution of iron sulfate, rank t

hese three metals Fe Zn Ag in order of decreasing reactivity.
Chemistry
1 answer:
Lelechka [254]3 years ago
5 0

Answer:

yes!you are right a cloudy formation will be formed when they will react.its because if nitrogen.

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What are the trends and exceptions to the trends in electron affinity
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Explanation:

Electron affinity is the energy released in adding an electron to a neutral atom in the gas phase.

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Across a period electron affinity increases due to the increasing nuclear charge not being compensated for.

Down a group, electron affinity decreases  due to the low nuclear charge and the large atomic radii.

The exception to this rule is the stability of half-filled sublevels. For example, nitrogen has a configuration of 2,5 with sublevel notation of 1s²2s²2p³.

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Half filled sublevels are exception to the trend of electron affinity.

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3 years ago
Is benzene saturated or unsaturated?​
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3 years ago
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Determine the mass of Al(C2H3O2)3 that contains 2.63 Χ 1024 atoms of oxygen.
sergejj [24]

The molecular formula of compound is Al(C_{2}H_{3}O_{2})_{3}.

Since, in 1 mole of  Al(C_{2}H_{3}O_{2})_{3} there are 6.023\times 10^{23} atoms of  Al(C_{2}H_{3}O_{2})_{3}.

Thus, according to molecular formula, in 1 mole of  Al(C_{2}H_{3}O_{2})_{3} there are 6\times 6.023\times 10^{23}=3.61\times 10^{24} atoms of oxygen atoms.

1 atom of oxygen will be present in \frac{1}{3.61\times 10^{24}} moles of Al(C_{2}H_{3}O_{2})_{3} . Thus,

2.63\times 10^{24} atoms of oxygen \rightarrow \frac{2.63\times 10^{23}}{3.61\times 10^{24}}= 0.7285 moles of Al(C_{2}H_{3}O_{2})_{3}.

Molar mass of Al(C_{2}H_{3}O_{2})_{3} is 236 g/mol, mass can be calculated as follows:

m=n\times M=0.7285 mol\times 236 g/mol=172 g

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3 years ago
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