If anyone could please help me with this i'd really appreciate it!
2 answers:
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Answer: oxidizes in air
Explanation: Chemical property is the property which deals with change in chemical composition of the substance.
Physical change is the property which deals with change in physical state of the substance.
The above equation represents the oxidation of methane to form carbon dioxide and water. Thus the chemical composition has changed and is a chemical property.
Color and odor only involves no change in chemical composition.
Answer:
See picture below
Explanation:
To do this, we first need to know how are the bonds in this molecule are. To do so, let's calculate the number of insaturations in the molecule:
n°I = C+1 - (H-N+X)/2
These numbers indicate if the molecule has double bond, triple bond, ring, cyclo, among other options:
n°I = 3 - (3+1)/2
n°I = 1
As it's a very small molecule, we can assume this molecule only have a double bond, and it's an alkene.
So the lewis structure, shows the electrons and the bonding, and also shows the unshared electron pairs, depending on how much electron have each molecule.
In the case of carbon:
[C] = [He] 2s2 2p2 ----> 4 electrons
[H] = 1s1 ----> 1 electron
[Cl] = [Ne] 3s2 3p5 ----> 7 electrons.
Therefore, we also know that Carbon has a double bond, so, the main molecule would have something like this:
C = C
so next to the carbons, we can put two hydrogens and in the other carbon, the chlorine and the remaining hydrogen.
See picture below for structure:
