Mercury(II) oxide (HgO) decomposes to form mercury (Hg) and oxygen (O2). The balanced chemical equation is shown below. 2HgO Right arrow. 2Hg O2 The molar mass of HgO is 216. 59 g/mol. The molar mass of O2 is 32. 00 g/mol. How many moles of HgO are needed to produce 250. 0 g of O2? 3. 906 7. 813 15. 63 73. 87.

Okay this will take 1 hour okay dont forget me.

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

It idk haha what are we doing?