Fill in the blank with the correct number to balance the equation: 4Al + O2 → 2Al2O3. (Enter only a whole number.)

Which statement is best described as a atom

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

How many moles of oxygen gas are produced from the decomposition of six moles of potassium