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Given the equilibrium constant, Kp, of 2.40 x 10-3 at 1000 K for N2(g) + 3H2(g) equation 2NH3(g), what is the equilibrium constant for NH3(g) equation 1/2N2(g) + 3/2H2(g) at 1000 K?
4.3 g of Sample D (molar mass = 82.5 g/mol) is combusted in a coffee cup calorimeter. 120 mL of H2O at 23.4°C increases to 28.9°C. What is the enthalpy change for the reaction of D in J/g
How much energy is required to vaporize 48.7 g of dichloromethane (CH2Cl2) at its boiling point, if its ?Hvap is 31.6 kJ/mol?
Determine the mass of 100 mL of solution for this reaction: the results were 2.05 g of NaOH, 102.05 grams (total solution-when added with the water).
5.00 ml of a water sample was titrated for hardness with 4.15mL of 0.0200M EDTA. Write an equation for the reaction and calculate the hardness of the water in ppm
The rate constant for the second order reaction 2NO2 ® N2O4 is 2.79 L/mol ·min at 48 oC. If the initial concentration of NO2 is 1.05 M , what is the half-life? A) 20.5 s B) 10.3 s C) 0.341 min D) 176 s
If 25 ml of solution A is needed to make a 0.7 liters with a final concentration of 1.5%, what was the concentration percentage of the stock solution
If the Ksp of KHT was determined experimentally to be 3.8E-4 at 25 C, calculate the mass of KHT needed to make 200 mL of saturated solution.
Assume the products are all gaseous. Show all your work. What is delta G and is the reaction spontaneous at 298K or nonspontaneous
Dimethyl hydrazine ignites spontaneously upon contact with dinitrogen tetroxide. If 2 mol of dimethyl hydrazine are mixed with 4 mol of dinitrogen tetroxide, and the reaction an 85% yield, how many moles of N2, H2O and CO2 will be produced?
What percentage error would be introduced in a 35.0 mL sample of liquid if the air bubble comes out of the tip of the buret while the liquid sample is being transferred?
starting with an aqueous solution of 115 ml of 0.35 m pyridine kb 1.7 x 10-9 determine the observed ph of the solution
Determine how many moles of each product would form and Considering the given equation
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