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For the following reaction: 2N2O3(g) + 4NO2(g) + O2(g) suppose the pressures at equilibrium are: P(N205)...
Suppose a chemist starts with an aqueous buffer that contains 0.05 mol of HCN and 0.07 mol of NaCN in a total volume of 1.00 L. What is the pH after 0.03 mol of OH is added to the buffer? a. 2.01 b. 9.46 c. 10.92 d. 10.01 e. 8.61 Calculate Eºcell for the following balanced redox reaction in acidic solution: 35024+ 2Cr(s) + 12 H+ + 3 SO2 (g) + 2Cr+3 + 6 H2O (acidic) a. +1.945 V b....
Suppose for the following reaction the initial pressures are: 2 CO2(g) = 2 CO(g) + O2(g) Initial 9.1 atm 1.7 atm 0 If P(O2) = 2.3 atm at equilibrium, what is the value of Keg? 0.225 0.102 0 4.75 0 9.82 0.719
Consider the reaction 2N205(a) <-> 4NO2(g) + O2(a) at 25°C for which the following data are relevant: AHF N205 11.289 kJ/mol 355.28 J/K mol NO2 33.150 kJ/mol 239.90 J/K mol 02 0kJ/mol 204.80 J/K mol a. Predict the sign of AS for the reaction and explain your reasoning. b. Calculate AS" for the reaction. c. Calculate AH for the reaction. d. Calculate AG for the reaction at 25°C. e. Will the reaction be spontaneous at no temperature, low temperatures only,...
For the reaction 2N,05(e) → 4NO2(g) + O2(g), the following data were collected: t(minutes) [N205] (mol/L) 0 1.24 x 10-2 10. 0.92 x ex 102 20. 0.68 10-2 30. 0.50 x 10-2 0.37 * 10-2 * 10-2 70. 0.15 x 10-2 40. 50 0.28 x A graph of In[N 20 s) vs time produced a straight line. Calculate the value of k and include units.
Suppose for the following reaction the initial pressures are: 2 CO2(g) = 2 CO(g) + O2(g) Initial 9.1 atm 1.7 atm 0 If P(O2) = 2.3 atm at equilibrium, what is the value of Keg? 0.102 O4.75 O 9.82 0.719 0.225 Question 32 3 pts The isotope Cl decays to Ar. Which of the following processes can produce this change? B-emission 07-emission Oa-emission O positron emission
20. Consider the reaction 2N2O5(g)4NO2(g) + O2(g) at 25 C for which the following data are relevant: Дн 13.30 kJ/mol 355.7 J/K mol N205 33.15 kJ/mol 239.9 J/K mol NO2 0 kJ/mol 204.8 J/K mol О2 Calculate AG° for the reaction at 25°C a. 1.35 x 105 kJ b. 94.7 kJ c. -29.0 kJ d. 135 kJ е. O kJ
The value of Kp for the reaction H2(g) + O2(g) H2O2(g) is 2.3 × 106 at 610K. Determine the value for K for this reaction at 610K. a. 1.2 × 1010 b. 4.6 × 104 c. 1.2 × 108 d. 2.3 × 106 e. 4.3 × 10–7
1. Consider the following reaction: 2N2Os(g) → 4NO2(g) + O2(g), with the rate constant (k (s')) determined as a function of temperature: T(°C) k 2.0 x 105 7.3 x 103 2.7 x 10+ 9.1 x 104 2.9 x 10 50 60 What is the activation energy for this reaction? HINT: You will need to make a plot of these data.
Consider the following reaction. N2(g) + O2(g) 2 NO(g) If the equilibrium partial pressures of N2, O2, and NO are 0.15 atm, 0.33 atm, and 0.050 atm, respectively, at 2200°C, what is KP?
Consider the following reaction: 2N2O5(g) 4NO2(g) + O2(g) If AH°xn = 110 kJ mol-1 and AS°,n = 454 J-K-1-mol-1 at 298 K, calculate the value of the equilibrium constant Kp for the reaction at 298 K. A. 7.63 x 10-7 B 660 C. 54 D. 2.74 x 104 10 E Consider the following reaction: 2N2O5(g) 4NO2(g) + O2(g) If AH°xn = 110 kJ mol-1 and AS°,n = 454 J-K-1-mol-1 at 298 K, calculate the value of the equilibrium constant Kp...