can someone help be determine the formulas for reactants and products as well as balance the equation, and what type of reaction is presented
I will make you the brain list!!!

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.

Use the measurements in the table to determine which unidentified metal has the highest density. metal volume mass a 10.5 cm3 122 g b 14.2 cm3 132 g c 16.1 cm3 115 g d 12.7 cm3 126 g

How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?