Author: Anonymous

Which of the following is a physical property? A.        the tarnishing of a silver spoon B.        the corrosive action of acid rain on granite C.        the odor of spearmint D.        flammability of gasoline E.        all the answers are correct

What is the mass percent composition of Fe2O3? Given molar masses: Fe: 55.85  O: 16.00                A.        69.94 % Fe and 30.06 % O             B.        34.97 % Fe and 65.03 % O             C.        77.73 % Fe and 22.27 % O             D.        44.99 %Fe and 55.01 % O             E.         65.03 % Fe and 34.97 % O

How many water molecules are contained in 25.0 g of H2O? Given molar masses: H: 1.01 O: 16.00 6.02 x 1023 1.51 x 1025 8.35 x 1023 3 2.51 x 1024

Calculate the molar mass of aluminum chlorate: Al(ClO3)3 using the given molar masses of  elements: Al: 26.98  Cl: 35.45 O: 16.00               A.     229.33 g/mol                   B.     78.43 g/mol             C.     283.33 g/mol D.     277.33 g/mol    E.      431.33 g/mol 

List the four steps used to analyze blood. 

The tendency for people to remember visual images as being less zoomed-in than they actually were is known as:

Ethylene glycol has a density of 1.11 g/mL. What is the volume occupied by 20.0 g of ethylene glycol?               A.        22.2 mL             B.        27.0 mL             C.        18.0 mL             D.        0.0555 mL             E.        20.0 mL

Which of the following pairs will produce a precipitate upon mixing equal volumes of the aqueous solutions? Ba(NO3)2 and K3PO4 NaOH and HCl           HC2H3O2 and KOH    Na2SO4 and NH4Cl     NaBr and K2SO4

Which of the following is not a property of language?

The carotenoid synthesis pathway is subject to herbicide-inhibition at ____ different sites.