Chemistry, 31.08.2020 20:01 lindseysmith9522
I'LL GIVE AGAIN <3 8. What is the density of an 84.7 g sample of an unknown substance if the sample occupies 49.6 cm^3? * 17.1 g/cm^3 1.71 g/cm^3 1.70766129 g/cm^3 4,201 g/cm^3
Answers: 3
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Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.
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The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.
Answers: 1
I'LL GIVE AGAIN <3
8. What is the density of an 84.7 g sample of an unknown substance if the sam...
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