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12345 [234]
3 years ago
6

Which is an example of chemical change?

Chemistry
1 answer:
Bess [88]3 years ago
4 0

Answer:

<h3>Burning, cooking, rusting and rotting are examples of chemical changes.</h3>

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Write the products and balance the equation:<br><br> C4H7OH + O2 → CO2 +H2O
skad [1K]

Answer:

C4H7OH + 6O2 => 4CO2 + 4H2O

Explanation:

hope This helps :)

8 0
3 years ago
Draw the electron configuration for a neutral atom of nitrogen.
velikii [3]

Answer:

1s22s22p3.

Explanation:

Electronic configuration of a neutral atom is 1s22s22p3.  

Please see the image attached

 

Neutral atom of nitrogen will have equal number of proton and electron i.e equal to 7. 7 electron of the nitrogen are placed into the s and p orbitals in the ground state.  

6 0
3 years ago
What is shown by the structural formula of a molecule or polyatomic ion?
Misha Larkins [42]
Answer : Option A) the arrangement of bonded atoms.


Explanation : A structural formula of certain molecule depicts the way the atoms are arranged in that particular molecule in any polyatomic species. It helps in deciding the chemical properties of that polyatomic molecule.
6 0
3 years ago
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Which of the following is a way carbon enters the atmosphere
zaharov [31]
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3 0
3 years ago
A Mercury(II) chloride dissolves in water to give poorly conducting solutions, indicating that the compound is largely nonionize
Serggg [28]

Answer:

Using valence bond theory, HgCl2 is sp hybridized while PCl3 is sp3 hybridized.

Explanation:

sp hybridized molecules are largely covalent and cannot conduct electricity hence the nonconducting nature of HgCl2. PCl3 contains a lone pair and three unpaired electrons in sp3 hybridized orbitals.

5 0
3 years ago
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