Which is an important function of lipids in the body?

a) provide the body with energy and fiber

b) provide the body with vitamins and bile salts

c)provide the building blocks for muscle tissue

d)provide control of substances going into and out of cells

An observation that requires measurement is called quantitative observable or qualitative

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point

Reacting masses1 calcium carbonate breaks down on heating to produce calcium oxide and carbondioxide gas.caco3 + cao + co2a student heats 15 g of calcium carbonate strongly in a crucible.relative atomic masses (a): ca = 40, c = 12, o = 16.calculate the mass of calcium oxide produced by this reaction.(5 marks)