The standard free energy of formation of nitric oxide, NO, at 1000.K (roughly the temperature in an automobile engine during ignition)is 77.7 kJ/mol. Calculate the equilibrium constant for the reaction N2 (g) + O2 (g) 2NO(g) At 1000.K.(R = 8.31 J/(K ∙ mol))
A)0.95
B)7.6 × 10-9
C)1.6 × 105
D)-15
E)8.7 × 10-5

How to convert a density of 0.791g/cm3 to lb/ft3

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.