There may be a relationship between the frequency of earthquakes and

a:magnitude b:tsunamis

c:intensity d:liquefaction

How many milliliters of a 0.40 M solution of hydrochloric acid are necessary to neutralize 25 mL of a 0.20 M sodium hydroxide solution? a. 12.5 mL b. 50 mL c. 10.5 mL d. 25 mL e. 20 mL

Which can be changed when balancing a chemical equation, the coefficient or the subscripts? Why?

How would a geologist use absolute dating to determine the age of sedimentary layer?

Which of the following elements is the most metallic? a. K b. KR c. FE d. CU

Which of the following does not have a uniform composition throughout? A) Compound B) Homogeneous mixture C) Heterogeneous mixture D) Solvent E) Element The mass of a sample is 550 milligrams.

In a balanced equation, coefficients always represent a the ratio of volumes of substances b the volume ratios of reactants and products c the mole ratios of reactants and products d the number of atoms present

What is the amount of moles for 12.0 g Ar?

Any two objects that have Mass will also have which type of force between them

In metallic bonding, move freely between neighboring atoms. Metals are ductile because the forces that hold their atoms together are.

What is the pH of a 0.001M HNO3 solution