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anyanavicka [17]
3 years ago
14

To decrease the power used:

Chemistry
1 answer:
iVinArrow [24]3 years ago
3 0
C. Decrease the current
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Select the ions below which possess the electron configuration of a noble gas.
uranmaximum [27]
O2- stands for superoxide anion, S2- stands for sulfide anion, H- stands for hydrogen anion, and Na+ stands for sodium this all ions possess the electron configuration of noble gas because each of them (O2-, S2-, H-, and Na+) has a full outer shell.
5 0
3 years ago
At what temperature in the Kelvin scale does water boil? Explain what happen when we supply heat energy to water till it changes
erma4kov [3.2K]
100 +273=373 kelvins
7 0
3 years ago
Draw the Lewis structure for BCl3. How many single bonds, double bonds, triple bonds, and unshared pairs of electrons are on the
andreev551 [17]

Answer :  The number of single bonds, double bonds, triple bonds, and unshared pairs of electrons on the central atom are, 3, 0, 0 and 0 respectively.

Explanation :

Lewis-dot structure : It shows the bonding between the atoms of a molecule and it also shows the unpaired electrons present in the molecule.

In the Lewis-dot structure the valance electrons are shown by 'dot'.

The given molecule is, BCl_3

As we know that boron has '3' valence electrons and chlorine has '7' valence electrons.

Therefore, the total number of valence electrons in BCl_3 = 3 + 3(7) = 24

According to Lewis-dot structure, there are 6 number of bonding electrons and 18 number of non-bonding electrons.

From the Lewis-dot structure we conclude that,

The number of single bonds, double bonds, triple bonds, and unshared pairs of electrons on the central atom are, 3, 0, 0 and 0 respectively.

3 0
3 years ago
33.6 grams of CaO should have been produced in the decomposition of
spayn [35]

Answer:

answer answer answer answer answer

6 0
3 years ago
Which reaction will produce a solution that does not conduct electricity? CH3OH(l) mc017-1.jpg CH3OH(aq) CaBr2(s) mc017-2.jpg Ca
Vilka [71]
The correct answer would be the first one. The reaction that will not conduct electricity would be  CH3OH(l) = CH3OH(aq) since it stays as a single molecule in solution. It does not have any free electrons that will allow the flow of current into the solution. Other options dissociates into ions which has free electrons so they allow current to flow.
3 0
3 years ago
Read 2 more answers
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