Answer: density equals 3 g/mL
Step by step explanation:
D=m/v
D=45/15
D=3
Scientists use the scientific method all the time to help them understand things about certain topics. The scientific method is a list of steps that are used before, during, and after the experiment. The scientific method can help prove hypothesis about things and can tell you the outcome of the experiment.
Answer:
11. A)outward
12. B) inward
13. B) opaque
14. I really don't know (sorry)
Explanation:
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Explanation:
Esterification occurs when a carboxylic acid reacts with an alcohol. This reaction can only occur in the presence of an acid catalyst and heat. It takes a lot of energy to remove the -OH from the carboxylic acid, so a catalyst and heat are needed to produce the necessary energy.