Which element (s) are not balanced in this equation?

Fe2O3 + 3CO → 2 Fe0 + 3 CO2

Fe and O are both unbalanced.

Only the Fe is unbalanced.

Only the O is unbalanced.

C and O are both unbalanced.

How much does copernicium cost?

When 50 ml of 1.000x10^-1m pb (no3) 2 solution was added to 50 ml of 1.000x10^-1m nai solution?

Grasshoppers have a (n) exoskeleton hydroskeleton endoskeleton, tapeworms have a (n) exoskeleton endoskeleton hydroskeleton, and crocodiles have a (n) endoskeleton exoskeleton hydroskeleton.

What is a harmful role of bacteria?

What is the difference between chemistry and science

if you pull a Tomac radius versus First ionisation Energy would the graph reveal a direct or inverse relationship

Which of the following bonds is the most polar in nature: (1) Cl2 (2) HCl (3) HBr (4) HI

Combustion analysis of a 13.42-g sample of the unknown organic compound (which contains only carbon, hydrogen, and oxygen) produced 36.86g CO2 and 10.06g H2O. The molar mass of estriol is 288.38g/mol.

What concept in Dalton's atomic theory has been modified? A. All matter is composed of atoms. B. Atoms of different elements have different properties and masses. C. Atoms can combine in chemical reactions. D. Atoms cannot be divided.

Which particles in an atom can increase or decrease in number without changing the identify of the elements?