The specific heat of iron (Fe) is about 0.450 joules/gram °C. How much heat is needed to change the temperature of a 20 gram sample of iron from 10 °C to 36 °C?

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.