<span>Acetylene is a pure substance so it is homogeneous.</span>
B.
The cynobacteria were already there without the oxygen, so that rules out A, and a lot of prokaryotes were anaerobic, so that rules out C. Finally, Photosynthesis does not require oxygen. Instead, Oxygen is a waste product of it. Therefore, it cannot be D. So, we are only left with B
Hoped this helped :D
The ionic formula of sodium oxide would be Na20
Name Methane CH4,Butane C4H10,Acetone CH3COCH3 ,Toluene Acetylene CH3C6H5, Ethyl C2H2 ,Alcohol C2H5OH
<h3>The following compound is CH3 CH3 CH2 CH2 CH2 CH3, but what is its IUPAC name?</h3>
Answer and justification A longest carbon chain in the above diagram has seven carbon atoms, as can be observed.The IUPAC nomenclature for this compound is heptane since all of the bonds are single bonds devoid of any functional groups.
<h3>What is this compound's IUPAC name, CH3 CH2 CH2 CH2 CH2 CH?</h3>
When there are nine carbons, the word non is the root.Therefore, nonane is the IUPAC term for CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH3.
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