The electric kettle is supplied with 2500 joules of energy each second and the water in the kettle gains 2200 joules of heat energy each second. Calculate the amount of energy wasted each second.

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

What is the molar mass of potassium nitrate, kno3

Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .