What is the 2nd most abundant element in the earths crust

For the graph shown right, a good title for the x- axis is Agood title for the y axis is

The generic metal A forms an insoluble salt AB (s) and a complex AC5 (aq). The equilibrium concentrations in a solution of AC5 were found to be [A] = 0.100 M, [C] = 0.0160 M, and [AC5] = 0.100 M. Determine the formation constant, Kf, of AC5.

Heterogeneous mixture that contains large particles that can settle out or be filtered

If volume is increased, the number of collisions per second ... decreases or increases?

Can something be both a mixture and a pure substance? Explain using examples.

For each example of a phase change, identify whether heat is absorbed from the surroundings or released into the surroundings. A popsicle melts on a hot day. Rubbing alcohol evaporates from the surface of the skin.

How are scientific questions answered?

How much heat is required to increase the temperature of 100.0 grams of iron from 15.0oC to 40.2oC? (The specific heat of iron is 0.46 J/g xoC).

An adhesive dealer receives an order for 3000 lb of an adhesive solution containing 13% polymer by weight. On hand are 500 lb of 10% solution and very large quantities of 20% solution and pure solvent.

How to convert moles 3.612 x 10^23 atoms Fe