Chemistry, 07.05.2021 22:40, randenbrown1653
Eighth grade > F.5 Compare physical and chemical changes B6V What do these two changes have in common? burning food on a stove deep-frying chicken Select all that apply. Both are only physical changes. Hoth are chemical changes. Both conserve mass. Both are caused by heating.
Answers: 2
Chemistry, 22.06.2019 20:20, carcon2019
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 .
Answers: 3
Eighth grade > F.5 Compare physical and chemical changes B6V What do these two changes have in co...
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