If you pump air into cycle tyre a slight warming effect is noticed at valve stem why

Consider the story you just read. all but one of the choices below indicate that something is living.

Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .

List and describe the neurological effects of the vocs and other air pollutants,as described by dr.theo colborn