Which of the following will sink in a container of mercury with a density of 13.6 g/ml?

a.
zinc, d = 7.14 g/ml

b.
ice, d = 0.92 g/ml

c.
gold, d = 19.3 g/ml

d.
gasoline, d = 0.69 g/ml

The element that has the greatest electronegativity is

What is the molecular weight of copper

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.