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Critical Thinking Exercises
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Please answer all questions

1
What good does it do somebody to take sodium bicarbonate for heartburn?
2
If the pH of orange juice is 4, how many more hydrogen atoms are released in the juice compared to coffee (pH 5)?
3
Vitamin A (i.e. retinol) consists primarily of a long chain of -CH2- groups. If you are given only this much information, what will vitamin A dissolve in more easily: oil or water?
4
If you were to use an organic chemical as a detergent to remove grease stains on your shirt (caused by a moment of carelessness with those French fries), which kind would you use and why?





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