Complete and balance the following the half-reactions. In each case indicate whether the half-reaction is an oxidation or reduction.

Which metal exist in liquid state and can be cut with knife ?

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate

The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?