2KCIO3 --> 2KCl + 302 How many moles of O2 will be produced from 2.25 moles of KClO3?

2KClO3—-> 2KCl +3O2
How many grams of KCl will be produced from
4.25 grams of KClO3

Please show work/explain :)) thank u!

How many grams of ammonia would be produced by the decomposition of 16.93 mlof hydrazine? (the density of hydrazine is 1.021g/ml)

If a straight-chain hydrocarbon is a gas at room temperature, how many carbon atoms will it have? a. 6 carbon atoms b. 12 carbon atoms c. 24 carbon atoms d. 3 carbon atoms

Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.