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lindasuebairdoyjpf7
27.09.2019 •
Chemistry
If one mole of caffeine has a mass of 194.19 g and you drink an average of two servings of this drink a day, how many caffeine molecules do you ingest in one year
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Ответ:
340.194 g caffeine(1 mol/194.19 g)(6.022×10²³ molecules/mol) = 1.055×10²⁴ molecules
Ответ:
Endothermic
Explanation:
Storing sugar for later use is an example of an endothermic reaction because that energy is being absorbed.