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Large quanities of hydrogen are needed for the synthesis of ammonia. One preperation of hydrogen involves the reaction between carbon monoxide and steam at 300C in the presence of a copper-zinc catalyst CO(g) +H2) (g) <---> CO2(g) +H2(g)
Calculate the equilibrium constant Kp for the reaction and the temperature above which the reaction favors the formation of CO and H20
a solution is made by dissolving 21.5 grams of glucose c6h12o6 in 255 grams of water. what is the freezing-point
Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 9.30 MJ of energy (in the form of heat) if the temperature of the sodium
the partial pressure of o2 in air at sea level is 0.21 atm. using the data in table 13.2 together with henrys law
A chemical reaction has ?G° = 10.0 kJ and ?S° = 50.0 J/K. Calculate ?H° for this reaction at 25°C. Could this reaction ever be spontaneous? Explain your answer please.
Calculate the acitivation energy for the decomposition. b) To test solubility, 0.020 mol of solid lead iodide, PbI2, is added to 0.500 L of water. after eqilibrium has been established 0.00076 mol of Pb^2+ (aq) and 0.00152 mol of I^- (aq) are pres..
How many hydrogens are in C6H?NO3, which has 1 ring and 4 double bonds? How many hydrogens are in C13H?N, which has 4 rings and 6 double bonds?
Adipic acid, HOOC(CH2)4COOH, is among the top 50 manufactured chemicals in the United States (nearly 1 million metric tons annually). Its chief use is in the manufacture of nylon. It is a diprotic acid having Ka1=3.9×10?5 and Ka2=3.9×10?6.
A reaction has the stoichiometry A + B + C ? P. The concentration of P one minute after mixing the reactants is measured for various initial concentrations of reactants
what would you expect to happen if you combined 10.0 ml of 10-2 m acetic acid and 5.0 ml of 10-2 m sodium hydroxide?
Which of the following combinations of peaks appears in the 1H NMR spectrum of diethyl ether, CH3CH2OCH2CH3? a. a triplet and a doublet b. a quartet and a sextet c.
Is the reaction exothermic or endothermic? b) Calculate the heat produced when 10.0 g of AlCl3 forms. c) How many grams of Al are required to produce 1.00 kJ of energy?
When equilibrium is established, it is found that the partial pressure of ammonia has increase by 12.4%. Calculate K for the decomposition of NH4HS at 25 degrees C.
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