Evan finds a rock while hiking. It has a fossil in it. The rock is most likely a (n):

igneous rock

sedimentary rock

metamorphic rock

Solids or liquids are not included in an equilibrium expression because: A. the concentrations of liquids and solids are negligible B.

A solution contains 10.0 g pentane, C5H12, 20.0 g hexane, C6H14, and 10.0 g benzene, C6H6. What is the mole fraction of hexane? A) 0.303 B) 0.471 C) 0.433 D) 0.362 E) 0.335

How many moles of Pb (NO3) 2 are required if 8 moles of PbCl2 are produced

A certain compound is made up of one sulfur atoms, three bromine atom, and one phosphorus atom. what is the chemical formula of this compound?

If you produced a protein 100 amino acids long how many amino and acid ends would you have?

How do you make an ionic compound neutral

Which sample contains the greatest number of atoms? which sample contains the greatest number of atoms? 14 gc 102 gag 49 gcr 202 gpb?

2NO2 (g) Equilibrium N2O4 (g) NO2 and N2O4 undergo the reaction shown. When a sealed container of NO2 reaches chemical equilibrium, which must be true? f The maximum number of molecules has been reached. g No N2O4 is present.

How does a scientist critique another scientist's conclusion? A. By ignoring the first scientists date B. By Criticizing the scientist's personal beliefs C. By performing more experiments D. By reading secondary sources

What are some circumstances under which the coase theorem fails to apply?