Which of the following substances is heterogeneous?

A. 3% hydrogen peroxide

B. The lint from your clothes dryer

C. A copper wire

D. Iron

E. Baking soda

Any time an atom transfers or shares an electron a is formed

Which coefficients balance the following equation __ N2+___H2--->___NH3

Give the oxidation state of the metal, number of d electrons, and the number of unpaired electrons predicted for [Co (NH3) 6]Cl3.

Atomic Theory is A - subject to change if new information is discovered. B - a solution to the problem of differing isotopes. C - Unchangeable D - a descriptive table that lists all of the elements.

A fixed amount of gas occupies a volume of 7.25 l at a pressure of 4.52 atm. what will be the volume occupied if the pressure is decreased to 1.21 atm at constant temperature?

Is it ever possible to extract 100% of a compound from a solution? Why or why not?

Covalent, ionic, and metallic are the three types of attraction between atoms.

A red blood cell has a round structure. A muscle cell has a long, thin structure. Which statement best explains why these two types of cells have different structures

Does oxidation cause misfolding of protein

A solution is a homogenous mixture of solute and solvent. There are different types of solutions. A carbonated drink is an example of a solution where the solute is a gas and the solvent is a liquid.