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Helga [31]
4 years ago
7

If crown b is more dense than crown a then which is pure gold

Chemistry
2 answers:
yKpoI14uk [10]4 years ago
3 0
Crown b is made of solid gold
Anit [1.1K]4 years ago
3 0

Answer:

If I'm not mistaken crown b is pure gold

Explanation:

If the crown was made of pure gold, the two volumes would be equal. If some other (less dense) metal had been substituted for some of the gold, then the crown would displace more water than the pure gold.

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Draw the diazonium cation formed when cytosine reacts with nano2 in the presence of hcl.
Sindrei [870]
Answer in the Word document below.
Diazonium compounds are a group of organic compounds sharing a common functional group R−N₂⁺. The process of forming diazonium compounds is called diazotation and usually <span>are prepared by treatment of aromatic amines with </span>nitrous acid<span> and additional acid (hydrochloric acid).
</span>Cytosine is one of the four main bases found in DNA and RNA.
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7 0
3 years ago
Reliable results are results that can be...<br> A: communicated<br> B: evaluated<br> C: duplicated
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Reliable results are results that can be... A: Communicated
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What is the mass number of 19/9F?<br> Your answer:<br> A. 9<br> B. 10<br> C. 19<br> D. 28
dexar [7]

the mass number of fluorine (F) is 19

C. 19

8 0
3 years ago
If the mass of a liquid reactant is 10g and the mass of a powder reactant is 5g then what should the mass of the product be acco
guapka [62]

Answer:15g

Explanation:

According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.

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6 0
3 years ago
Sodium electron configuration in longhand notation
Elden [556K]

Answer:

Na₁₁ = 1s² 2s² 2p⁶ 3s¹

Explanation:

Sodium is present in group 1.

It is alkali metal.

It has one valence electron.

The atomic number of sodium is 11.

Its atomic mass is 23 amu.

The longhand notation of electronic configuration of sodium can be written as,

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The electronic configuration in shorthand notation( noble gas) would be written as,

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Sodium loses its one valence electron to complete the octet and get stable thus form +1 cation.

It react with halogen and form salt. Such as sodium chloride.

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5 0
3 years ago
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