What is 6.5 m converted to inches? (1 m = 100 cm, 1 in =
2.54 cm)
260 in
620 in
26 in
62 in

Which type of fossil does this image depict?

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

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 .