Calculate the temperature change in C of a 24.2g sample of iron with a specific heat of 0,45 J/g."C that is heated using 2689J of energy (Enter
your answer rounded to the nearest whole number with no unit.) *

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 .