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Molodets [167]
3 years ago
10

3. There are about 7 billion (7.0x10') people on earth. If we divided the dollar amount from

Chemistry
1 answer:
Harman [31]3 years ago
6 0

Answer: i dont know it

Explanation:

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What would be the effect on the observed melting point of sample were poorly packed?
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If a sample is packed poorly, the sample will not heat evenly and will take longer to melt.
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What do you mean by density?​
NARA [144]

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The mass per unit volume of a substance is called density .

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Which element often shares property's
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Can I+ (the iodine cation) becalled a Lewis base?<br> Fullyexlplain your answer.
Alenkinab [10]

Answer: No I+ cannot be called a Lewis base.

Explanation:

According to Lewis Theory, it defines an acid as an electron-pair acceptor and a base as an electron-pair donor.

In terms of Lewis basicity, Iodide ion (anions) has the more readily available lone pair electrons for donation since iodide ion is less electronegative .

With the help of the net electronic structure one can understand the answer of the question, because we need to study the I+  ion (cation) structure.

Lewis acid is therefore any substance, that can accept a pair of nonbonding electrons. 

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7 0
3 years ago
In an ionic compound, the size of the ions affects the internuclear distance (the distance between the centers of adjacent ions)
gregori [183]

Answer:

The correct answer will be " RbF > RbCl > RbBr > Rbl".

Explanation:

The size of the given ions will be:

<u>RbCl:</u>

⇒  689kJ/mol

<u>RbBr:</u>

⇒  660kJ/mol

<u>Rbl:</u>

⇒  630kJ/mol

<u>RbF:</u>

⇒  785kJ/mol

Now according to the size, the arrangement will be:

⇒  (785kJ/mol) > (689kJ/mol) > (660kJ/mol) >(630kJ/mol)

⇒  RbF > RbCl > RbBr > Rbl

The bond among all opposite charging ions seems to be strongest whenever the ions were indeed small.

6 0
3 years ago
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