Help pls... 3C(s) + 2Fe2O3 (5) ► Fe (s)
+ 3CO2 (g)
What type of chemical reactions is the chemical reaction described above?

What is the overall order of reaction for rate = k[no]2[o2]

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

The excretory system,need answers for all: )