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STUDY OF ROCKET ENGINE EXHAUST PRODUCTS.
ROCKET POWER INC PASADENA CALIF
From a study of the reversible reaction 2Al 1 AlF3 g yields 3A1Fg between 1199 and 1348K by means of the transpiration technique an increment Hr 1273K of 93.35 1.78 kcal and an increment Sr 1273K of 62.15 1.37 cal degmole were obtained. Extrapolation to 298K by means of published thermal functions coupled with the use of published thermodynamic data for Al and AlF3 yields values of -60.65 0.59 kcalmole and 51.93 0.46 caldegmole for the increment Hf 298 and S 298 AlFg respectively. The increment Ho sub f 298 for AlClg of -13.5 0.4 kcal mole is reported based on the first experimental second law measurements for the reaction 2 Al1 AlCl3g 3 AlClg by a Molecular Flow Effusion study over the temperature range 930K to 1034K. The first experimental value for So 298 of AlCl3g of 82.5 1.5 caldegmole is also derived from these measurements. Author
Quarterly rept. no. 14, 1 Nov 64-31 Jan 65.
Also see AD-609 303.
AF04 611 7414