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

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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