How many grams of potassium chlorate are required to form 638 ml o2 at 128°c and 752 torr according to the equation below? 2kclo3(s) => 2kcl(s) + 3o2(g)?

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?