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3 years ago

Which statement best describes the polarity of the molecule Sil4?

Chemistry

1 answer:

Nadusha1986 [10]3 years ago

6 0

Answer:

I dont a picture

Explanation:

but the answer is 24

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20.

sergiy2304 [10]

I think the anwser is A

8 0

3 years ago

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When the hydrogen atom of one water molecule and the oxygen atom of another molecule come together, an what forms?

VARVARA [1.3K]

H2O I THINK THATS THE ANSWER IT SHOULD FORM WATER IF THATS WHAT YOUR ASKING ? 2 HYDROGENS 1 OXYGEN .

7 0

3 years ago

When does the chemical system reach dynamic equilibrium?

Oksana_A [137]

Dynamic equilibrium of a chemical system is reached when the rate of forward reaction equals to that of the the backward reaction.

7 0

3 years ago

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At STP, what is the volume of 1.0 mole of carbon dioxide?

anzhelika [568]

Using ideal gas equation,

PV=nRT

Where P=pressure(atm), V=volume(L), n=number of moles of the gas, R=gas constant, 0.0821 atm L/moles K, T=temperature(K)

At STP:

P=1 atm

T=273K

n=1 as given

So using ideal gas equation,

V=nRT/P

So,

V=1*0.0821*273/1

=22.4 L

8 0

3 years ago

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What is the electronic configuration of Au3+?

Anettt [7]

Answer:

$AU^{3+} : [Rn] 5f^3$

Explanation:

Writing electronic configuration of any element you should know atomic number of that element ,

and also electrons are filling according to their energy level and first electron is filled in the lower energy orbital

and it follows n+1 rule if n+1 is same for two orbital electron will go first in the lowest value of n.

writing electronic configuration of ion can be done like first for their neutral atom and then add or remove electron it will make things easy because there are also some eception case their you may do wrong.

$AU : [Rn] 5f^3 6d^1 7s^2$

remove three electron from outer most shell of AU

$AU^{3+} : [Rn] 5f^3$

4 0

3 years ago