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Consider the following equilibrium for which H = 75.54 kJ: 2 NOCl(g) 2 NO(g) + Cl2(g) If a mixture of the gases involved in this reaction is allowed to come to equilibrium, and some NOCl is removed from this equilibrium mixture, decreasing the partial pressure of NOCl, what will the reaction do in response to this change, and how will the value of K (the equilibrium constant) be affected? a) The reaction will shift toward products with no change in K. b) The reaction will shift toward products with a decrease in K. c) The reaction will shift toward products with an increase in K. d) The reaction will not shift and the value of K will not change. e) The reaction will shift toward reactants with no change in K.
A solution is prepared by mixing 77.0 mL of 5.00 M HCl and 11.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
Calculate the final temperature of a mixture of 100.0 g of ice initially at -16.0 degrees C and 375.0 g of water initially at 90.0
How much heat is absorbed when 5.53 mol of NH4NO3 solid is dissolved in water? (Heat of soluton = 25.7 kJ/mol)
Calculate the overall energy changes (in kJ/mol) for the formation of MgF and MgF2 from their elements. The lattice energy for MgF2 is + 2952 kJ/mol.
Five hundred liters of a gas are cooled from 20°C to 10°C while the pressure remains constant.what the new volume will be?
How many moles of Fe would be formed from 50 grams of Fe3O4 in the following equation
A reaction with the activation energy Ea= 219.00 kJ/mol, has a rate constant k = 2.400 x 101 at 565.00 Kelvin. Determine the rate constant when the temperature is changed to 861.00 Kelvin. R = 8.314 J K-1mol-1
Draw the structure of phenylethyla amine and tell me what the CH3 and CH2 patterns in the HNMR
You have a sample of bone collected from Nevada and you find that it contains strontium-90 and exhibits an activity of 2.5 Bq. How much strontium-90 was present in the bone when the animal died 45 years ago?(The half-life of 90Sr is 29 years.)
A 4.22g sample of CuS was added to excess HCl, and the resulting H2S was collected over water. What volume of H2S was collected at 32 degrees celsius
Determine the [H+] and the pH of a buffer containing 0.20 M acetic acid and 0.10 M sodium acetate. 2. Calculate the percent dissociation of acetic acid in this solution
The white precipitate obtained when cold HCl was added to an unknown solution was completely insoluble in both hot water and NH4OH
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