Answer:
D. An endangered species is in danger of becoming extinct in the near future. A threatened species could become endangered in the near future.
Explanation:
The answer is (4) heptane. Saturated hydrocarbon means that there is no double bonds between the carbon atoms. For propene and butene, there is double bond. For ethyne, there is triple bond.
M = 20 g
Volume = 12 cm³
D = m / V
D = 20 / 12
D = 1.67 g/cm³
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Answer:
The answer is D. The rate of the forward reaction is greater than the rate of the reverse reaction.
Explanation:
The forward reaction rate was greater than the reverse reaction rate because more product is present at time 2. This is the answer from ap classroom.