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Anestetic [448]
3 years ago
7

3.1

Chemistry
1 answer:
stich3 [128]3 years ago
4 0

Answer:

C3H8 +5O2 arrow 3CO2 +4H2O

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Sulfur dioxide So2 is present in our atmosphere and is used as a preservative in foods. Is it possible to use the common charges
telo118 [61]

Answer:

Your question is not interpreted very well, but as regards what is observed, SO2 is not the formula for sulfur oxide, the formula for sulfur oxide is SO since the valence used in sulfur would be +2 and oxygen -2 therefore the sum of these valences would be equal to zero, therefore it would be the correct thing considering the true equation as SO

Explanation:

There are also sulfur dioxide, or sulfur trioxide, which is usually used in the formation of tertiary salts such as copper sulfate.

sulfur trioxide and sulfur dioxide are synonymous with sulfate or sulphite

7 0
3 years ago
Which of the following atoms forms an ionic bond with a sulfur atom? (Points : 3)
elena-s [515]
Ionic bonds are formed when there is complete transfer of valence electrons between two atoms.

Electronegativity tells the trend of an atom to atract electrons.

You should search for the complete set of rules that indicate whether an ionic or covalent bond happens.

There are two relevant rules to state if whether an ionic bond will happen:

- When the difference of electronegativities between the two atoms is greater than 2.0, then the bond is ionic.

- When the difference is between 1.6 and 2.0, the bond is ionic if one of the elements is a metal.

You need to list the electronegativities of the five elements (there are tables with this information)

Element  electronegativity

Cu:    1.9
H:      2.2
Cl      3.16
I:        2.66
S:      2.58

Differences:

Cu / S: 2.58 - 1.9 = 0.68
H / S: 2.58 - 2.2 = 0.38
Cl / S: 3.16 - 2.58 =0.58
I / S: 2.66 -  2.58 = 0.08

 Those differences are too low to consider that the bond is ionic.

Then the answer is that none of those atoms forms an ionic bond with sulfur.
8 0
3 years ago
Read 2 more answers
Help please!!!!!!!!!!!
EleoNora [17]

water acts as the solvent for this experiment

we use to calculate R f values and compare with know to determine the compound is made of example in forensic science to find DNA, amino acids

most soluble one will travel the most

c to b to a (A most further travelled)

Explanation:

This quest in requires general knowledge on chromatography

4 0
3 years ago
Why do you cool down tea extract in ice to below 40°c before adding dichloromethane?
jeyben [28]
For drinking because it’s much cold
5 0
4 years ago
: How are reefs impacted by disease?
Lelu [443]

Answer:

The frequency of coral diseases has increased significantly over the last 10 years, causing widespread mortality among reef-building corals. Many scientists believe the increase is related to deteriorating water quality associated with human-made pollutants and increased sea surface temperatures.

Explanation:

7 0
3 years ago
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