Your answer is D. 8
16 = 2^4
72 = 2^3*3^2
So you'll choose 2^3 = 8
Answer:
For example, the relative rate of a reaction at 20 seconds will be 1/20 or 0.05 s -1, while the average rate of reaction over the first 20 seconds will be the change in mass over that period, divided by the change in time.
Explanation:
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FOLLOW MY ACCOUNT PLS PLS
The compound contains an ester functional group.
An ester is a carbonyl (C=O) group with an alkyl (R) group on one side and an alkoxy (OR) group on the other.
We write the <em>condensed structural formula</em> of an ester as R(C=O)OR or RCOOR.
Answer: Calories
Explanation: One calorie is the amount of energy required to raise one gram of water one degree Celsius
1)a. formation of gas
2)b.energy was transferred
3)c.substances that are used up in a reaction
