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nikitadnepr [17]
3 years ago
13

What is the correct electron configuration for oxygen?

Chemistry
1 answer:
s344n2d4d5 [400]3 years ago
3 0
It would be: 1s2, 2s2, 2p4
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The color produce when the following compound is burnt LiCl NaCl KCl CaCl2
alexandr402 [8]

Answer:

LiCl - pink

NaCl - yellow

KCl - purple/blue-violet

CaCl₂ - orange/orange-red

Hope this helps.

4 0
3 years ago
Which of the following is the correct set-up for the problem: How many grams of water will be produced from 3.2 moles of oxygen
suter [353]

Option C is the correct set of the problem for mass of water produced by 3.2 moles of oxygen and an excess ethene.

<h3>Reaction between oxygen and ethene</h3>

Ethene (C2H4) burns in the presence of oxygen (O2) to form carbon dioxide (CO2) and water (H2O) along with the evolution of heat and light.

C₂H₄  + 3O₂   ----- > 2CO₂ + 2H₂O

from the equation above;

3 moles of O₂ ---------> 2(18 g) of water

3.5 moles of O₂ ----------> x

x = 3.2 \times [\frac{2 \ moles \ H_2O}{3 \ moles \ O_2}  ] \times[ \frac{18.02 \ g \ H_2O}{1 \ mole \ H_2O} ]

Thus, option C is the correct set of the problem for mass of water produced by 3.2 moles of oxygen and an excess ethene.

Learn more about reaction of ethene here: brainly.com/question/4282233

#SPJ1

6 0
1 year ago
Benzene has a specific gravity of 0.88. if it was spilled in a river what would it do?
Gelneren [198K]
As we know,
                    Density of Benzene  =  876 Kg/m³
And,
                    Density of Water       =  997 Kg/m³
So,
     Specific Gravity is calculated as,

                     Specific Gravity  =  Density of Benzene / Density of Water

                     Specific Gravity    =   876 Kg/m³ / 997 Kg/m³

                     Specific Gravity    =  0.878

Every object having specific gravity less than 1 will float on water and if value is greater than 1 then it will sink.

Benzene being non-polar in nature does not mix with water and due to less density it will float on the surface of water.
4 0
3 years ago
Which of the following is an example of observational scientific investigation?
Softa [21]
B: nothing the color of the solution when heated
8 0
3 years ago
Read 2 more answers
Define a table salt in salty water<br><br>A). Solution<br>B). Solute<br>C). Solvent<br>D). Salute​
ozzi

Answer:

Table salt in salty water is Solute

Solvent in this solution is Water

3 0
3 years ago
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