The molecular model is physical model of the atomic system used to <span>represent </span>molecules and their processes. It is used to <span>understand </span>chemistry<span> and generating and testing </span>hypotheses and it is the m<span>ost commonly used explicit representation of atoms. </span>
Water has highest flow rate
Every 27.322 days, the moon circles the Earth. The moon takes around 27 days to spin once on its axis.
One mole methane combusts to form one mole CO2 and 2 moles H2O
