Density is the

a Amount of volume in a certain mass

b. Amount of mass in a certain volume

c. Amount of mass in a piece of wood or metal

d Amount of volume in a piece of wood or metal

Explain why the periodic table is not a normal table of rows and columns

Students in Mr. Oliver's class were looking at pond water with the light microscope. One student made this slide. "Look! It's something alive!" Shawn exclaimed. "No, it's not," responded Michael.

Calculate ln (0.345). Report your answer to 3 significant figures.

16. In a reaction that has reached equilibrium, a. The forward and reverse reactions are occurring at the same rate. b. The reactants and products are in equal concentrations. C. The forward reaction has gone further than the reverse reaction. d.

What is the role of the water cycle in sustaining life

H2 + NO → H2O + N2 If 180.5 grams of N2 are produced, how many grams of H2 were reacted?

Will a horse galloping in a field produce and average velocity of zero

What is the formula for iodine tribromide

Which statement describes what occurs as two atoms of bromine combine to become a molecule of bromine? (1) Energy is absorbed as a bond is formed. (2) Energy is absorbed as a bond is broken. (3) Energy is released as a bond is formed.

What is the characteristic of the polar water molecule?