1. If we mix 100 g of nitrogen, 50 g of hydrogen and 5 g of ammonia and allow it to come to equilibrium we find that the final mixture contains 90 g of ammonia. What are the mole fractions of the nitrogen and hydrogen in the final mixture? The stoichiometric reaction is N2 + 3H, + 2NH3.

12 is produced by the reaction of 0.4235 mol of CuCl2 according to the following equation: 2CuCl2+4KI–2Cul+4KCI+l2. What mass, in grams, of KCI is produced?

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number 10

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a. Develop expressions for the mole fractions of the reacting species as functions of the reaction coordinate for a system initially containing 2 mol of NHy and 5 mol of O2 and undergoing the reaction 4NH3) +502) 4NO) +6H20) 1. A system formed initially of 2 moi of CO2, 5 mol of H2 and 1 mol of CO undergoes the reactions COt) +3H2)-CH,OH)+H202) CO) + Hate) CO)+ H20)

EVALUATION OF MASS DIFFUSIVITY Find the diffusivity of CO, in N2 at 30°C and 740 mm Hg. Find the diffusivity of benzene vapor in air at 600C and 120 kPa Find the diffusivity of isopropyl alcohol in liquid water at 45°C

2.560 g of an unknown compound containing C, H, and O is found through combustion analysis to produce 4.924 g CO2 and 1.728 g H2O. What is the empirical formula of the compound? Show all steps. Hint: recall that combustion analysis assumes the mass (and moles) of each element is conserved throughout the reaction. Molar masses: CO2 = 44.01 g/mol; H2O = 18.02 g/mol

The volume change of mixing (cm³ · mol¯¹) for the system ethanol(1)/methyl butyl ether(2) at 25°C is given by the equation AV = x1 x2 [-1.026 + 0.0220(x1 - x2)] Given that V₁ = 58.63 and V₂ = 118.46 cm³ mol-1, what volume of the mixture is formed when 750 cm³ of pure species, 1 is mixed with 1500 cm³ of species 2 at 25°C? What would be the volume if an ideal solution were formed?

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