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3 years ago

The ionization energies for removing successive electrons from sodium are 496 kJ/mol, 4562 kJ/mol,

Chemistry

1 answer:

ddd [48]3 years ago

3 0

Answer:

Explanation:

The high jump of ionization energy indicates that we are trying to remove electron from noble gas configuration state.

The ionization energy data specifies that the Elements are from group 1 at period 3 or greater.

Removing the first electron require 496 kJ and the second ionization energy jump significantly due to the removal of electron from the noble gas configuration which is logical because electron try to maintain the especially stable state.

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Calculate the volume in cm^3 of 325.0 dg of alcohol. Alcohol has a density of 0.785g/mL.

Masteriza [31]

Answer:
106 mL

Explanation:
In order to be able to answer this question, you must understand what the density of a substance tells you.
The density of a substance is nothing more than the mass of that substance that occupies one unit of volume.
In your case, the density of ethanol is given in Grams per milliliter, which means that one unit of volume will be
1 mL
.
So, ethanol has a density of
0.785 g mL
−
1
, which is equivalent to saying that if you take exactly
1 mL
of ethanol and weigh it, you will end up with a mass of
0.785 g
.
Now, you know that the volume you're using has a mass of
83.3 g
. Well, if you get
0.785 g
for every
1 mL
of ethanol, it follows that this much mass will correspond to a volume of
83.3
g ethanol
⋅
ethanol's density

1 mL
0.785
g ethanol
=
106.11 mL
Rounded to three sig figs, the answer will be
V
ethanol
=
106 mL

Hope this helps

5 0

3 years ago

Draw a lewis structure for XZ2 (X has 6 valence electrons, F has 7 valence electrons)

jarptica [38.1K]

Answer:

yhpcfjfkg original ogigoyy chandan

7 0

3 years ago

Identify the single displacement reaction.

pishuonlain [190]

Answer : The correct option is, (D)

Explanation :

Option A reaction : $C_4H_{12}+7O_2\rightarrow 6H_2O+4CO_2$

It is a combustion reaction. A reaction in which a hydrocarbon react with the oxygen to give product as carbon dioxide and water.

Option B reaction : $2H_2+O_2\rightarrow 2H_2O$

It is a combination reaction. A reaction in which the two or more reactants react to give a product.

Option C reaction : $Al_2S_3\rightarrow 2Al+3S$

It is a decomposition reaction. A reaction in which a reactant decomposes to form two or more products.

Option D reaction : $Cl_2+2KBr\rightarrow 2KCl+Br_2$

It is a single displacement reaction. It is a reaction in which the more reactive element displace the less reactive element. In this reaction, most reactive element chlorine displaces the less reactive element bromine.

Hence, the correct option is, (D)

3 0

3 years ago

Read 2 more answers

What was observed when positively charged particles were radiated onto a gold atom during Rutherford's experiment because of thi

trapecia [35]

Answer:

He was happy:)

Explanation:

3 0

3 years ago

In an endothermic reaction which bonds are stronger? The reactants or products? Explain

Marina86 [1]

reactants because it had other chemicals, when more are mixed it will be more stronger.

It is the correct answer

6 0

2 years ago