Answer:
They are 1.204×10^24 atoms of hydrogen present in 18 grams of water. In order to calculate this,it is necessary to compute the number of hydrogen moles present in the sample.
I think the answe would be 16n
Convection is the transfer of heat by liquid.
The wall would absorb extra heat during the day when the sun is out, then release the heat back into the room when the sun goes down.
Petroleum is used as a fuel to power vehicles and machines.
Petroleum products include fuel oils for heating and electricity generation.
It is a feedstocks for making the chemicals and plastics.
We use petroleum to produce electricity.