Chemical change. Compounds and molecules in the milk are reacting with the air and breaking down and forming new molecules.
Answer:
c. 2,2-dichloropentane.
Explanation:
Hello there!
In this case, according to the given information, it turns out possible for us to firstly draw the structure of the reactant, pent-1-yne:

Now, we infer the halogen is added to the carbon atom with the most carbon atoms next to it, in this case, carbon #2, in order to write the following product:

Whose name is 2,2-dichloropentane.
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<u>The addtion of energy</u> <span>is usually needed to help a decomposition reaction occur</span>
Answer:
<h2><u>-BLANK-</u> = <em><u>n</u></em>O <em><u>o</u></em>Z<em><u>o</u></em>N<em><u>e</u></em></h2>
<em><u>Explanation:</u></em>
<h2><u><em>
strayt fax</em></u></h2>
this equation does support the law of conservation of mass.