4) a. Use the periodic table to calculate the molar mass of ammonia, NH,. b. A cleaning bottle contains 83.1 g of ammonia. How many molecules of ammonia are in the bottle?
Giving 30 points because my chemistry teacher sucks and I need to show work

What? i don’t understand

Firstly, the water in the dams hold gravitational potential energy as they are above ground level. the gravitational potential energy is then transferred to kinetic energy as it falls, spinning the turbinethe turbine then spins the generator, which is a large magnet surrounded by metal coils. by doing this, the generator generates electricity. in this action, the energy transfer taken place is kinetic to electric energy

Answer:

5.6⋅10−^19  j

do you need the explaination?

The answer is neonhope it