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Veseljchak [2.6K]
3 years ago
12

Please Answer ASAP

Chemistry
2 answers:
aalyn [17]3 years ago
4 0

Answer:

The correct answer is option C.

Explanation:

Empirical formula is the simplest chemical formula which tells us the whole number of atoms of each element present in the compound.  

For S_4O_2[/tex[ the empirical formula will be: [tex]S_{\frac{4}{2}}O_{\frac{2}{2}}=S_2O

For SO_4[/tex[ the empirical formula will be: [tex]S_{\frac{1}{1}}O_{\frac{4}{1}}=SO_4

For S_2O_6[/tex[ the empirical formula will be: [tex]S_{\frac{2}{2}{2}O_{\frac{6}{2}}=SO_3

For S_2O_3[/tex[ the empirical formula will be: [tex]S_{\frac{2}{2}{1}O_{\frac{3}{1}}=S_2O_3

Hence, the correct answer is option C.

adelina 88 [10]3 years ago
3 0

The answer to this question would be S2o6 which is C.


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soldier1979 [14.2K]
Complete ionic:
Cu(aq) + 2Cl(aq) + 8O(aq) + 2Na(aq) + C(aq) + 3O(aq) = CaCO3(s) + 2Na(aq) + Cl(aq) + 4O(aq) 

Net ionic:

Cu(aq) + Cl(aq) + 4O(aq) + 2Na(aq) + C(aq) + 3O(aq) = CaCO3(s) 

So write everything out as IF it will dissociate in water. So everything that is aq splits but solid just floats to the bottom of the mixture. Cancel what you can (in this case the two from the ClO4 on the left of the equation cancels with the ClO4 from the right) and the 2Na cancels. Then, write out the whole solution and you are done! 
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3 years ago
If a gas in a closed container is pressurized from 15.0 atmospheres to 16.0
Yuki888 [10]

Answer:

T₂ = 317.87 K

Explanation:

Given data:

Initial pressure = 15 atm

Final pressure = 16 atm

Initial temperature = 298 K

Final temperature = ?

Solution:

According to Gay-Lussac Law,

The pressure of given amount of a gas is directly proportional to its temperature at constant volume and number of moles.

Mathematical relationship:

P₁/T₁ = P₂/T₂

Now we will put the values in formula:

15 atm / 298K = 16 atm/T₂

T₂ = 16atm × 298 K / 15 atm

T₂ = 4768 atm. K / 15 atm

T₂ = 317.87 K

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3 years ago
The liquids hexane and water are placed in a test tube. The test tube is stoppered, shaken, and placed in a test tube rack. The
Diano4ka-milaya [45]

The liquids hexane and water are placed in a test tube. The test tube is stoppered, shaken, and placed in a test tube rack. The liquids separate into two distinct layers because hexane and water have different molecular polarities. The answer is number 2.

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2 years ago
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Leni [432]

Answer:  457.8

Explanation:

345.8*225/703.55

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