15) For a particular process that is carried out at constant pressure. A AE = 140 kJ and AH = 170 kJ. C) AE = 110 kJ and AH = 140 kJ. 140 kJ and w*-30 kl. Therefore, B) AE = 170 kJ and AH = 140 kJ. D) AE – 140 kJ and AH110 kl. 16) How much energy is evolved during the formation of 296 g of Fe, according to the reaction below? Fe2O3(s) + 2 Al(s) → Al2O3(s) + 2 Fe(s) AH*rxn--852 kJ A) 5.60 x 103 kJ B) 8.80 x 102 kJ C) 5.50103 kJ (2.26 103 E) 6,60 x 102 kJ 17) Determine the oxidation state of Pin K3PO3. A) O B) +6 C) 3 D)-3 E) +2 18) Calculate the wavelength (in nm) of a the red light emitted by a neon sign with a frequency of 4.74 x 104 Hz. A) 633 nm B) 158 nm C) 466 nm D) 704 nm E) 142 nm L . An n a ntained in minder with a movable niston is increased from 30.0°C to 300.0