Although Cu is not sufficiently active to react with acids, it can be dissolved by concentrated nitric acid, which functions as an oxidizing agent according to the following equation:Cu(s) + 4 HNO3(aq) → Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)Is 35.0 g of HNO3 sufficient to dissolve 5.00 g of copper?

The oxidation of chromium solid is represented by the following equation: 

How many moles of chromium (III) oxide are produced when 34.69 g Cr reacts with excess oxygen gas? 

The reaction of potassium chlorate and sucrose is given below: 

If 2.33 x 10^-7 formula units of potassium chlorate are reacted, how many grams of carbon dioxide will be produced? 

If the density of ethanol, CH₃CH₂OH, is 0.789 g/mL, how many milliliters of ethanol are needed to produce 4.8 g of H₂O in the following reaction?