Four nails have a total mass of 4.42 grams how many moles of iron atoms do they contain

Where inside your body would you find antibodies?

The bonding of two atoms will most likely occur if: a more stable state can result from the union the outer shell can be completely filled all the valance electrons are removed the electronegativity of both atoms are similar

Why are plant cells and animal cells diffrent?

Basics of solution formation learning goal: to learn how the solvent water forms hydrogen bonds, solvates polar molecules, and weakens ionic bonds. water is one of the most essential substances on earth.

g Identify the oxidizing agent and the reducing agent in the following reaction. 2KMnO4 (aq) 10FeSO4 (aq) 8H2SO4 (aq) - -> K2SO4 (aq) 2MnSO4 (aq) 5Fe2 (SO4) 3 (aq) 8H2O (l) A. KMnO4oxidizing agent, FeSO4 reducing agent B.

A solution of orange juice that weighs 500 g contains liquid juice and solid pulp. All of the pulp is removed from the juice. The pulp is found to weigh 50 g. How much would the remaining liquid juice weigh? A. 50 g B. 250 g C. 450 g D. 500 g

Assume 3 molecules of Fe react according to the following equation. 3Fe + 4H2O Fe3O4 + 4H2 How many molecules of H2 are produced? How many water molecules are required? What is the mole ratio of Fe to H2O?

10.0 mL of a HF solution was titrated with a 0.120 N solution of KOH; 29.6 mL of KOH were required to completely neutralize the HF. Calculate the normality of the HF solution.

The number of grams present in 1.35 mol of Fe is

Which can associate a suspect's gun with a crime?