Why does the atmosphere allow life on planet Earth

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with ph. if the solubility does change, pick the ph at which you'd expect the highest solubility. you'll find ksp data in the aleks data tab. compounds does solubility change with ph

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?