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What is the ionic conductivity of a lithium-ion solid electrolyte at 298 K with an activation ene...
The table below gives conductivity data at infinite dilution measured at 25 °C. Electrolyte Aº/mS mmol.'...
The table below gives conductivity data at infinite dilution measured at 25 °C. Electrolyte Aº/mS mmol.' KOOCH 12.81 HCI 42.60 KC 14.99 (a) Why can the limiting molar conductivity of methanoic (formic) acid not be measured directly? (b) Calculate the limiting molar conductivity of methanoic acid. The molar conductivity of 0.020 M HCOOH(aq) is 3.83 mS mmol"!. What is the pk, value for methanoic acid? The following questions are about electrochemistry, Explain how the electrochemical series can be used to...
what will be the molar concentration of each ion in the electrolyte solutions once the reaction...
what will be the molar concentration of each ion in the electrolyte solutions once the reaction reaches equilibrium? (3 marks) 3. An organic compound of unknown structure is being studied. The unknown is determined to have a chemical formula C6H30Br. At 309 K, the unknown decomposes as follows: 2 C6H130Br (aq) C6H120 (aq) + CH140+ (aq) + Br2 (aq) ... continued on the following page. .. At 309 K, the kinetics of the decomposition reaction were studied and the following...
8) A reaction is found to have an activation energy of 38.0 kJ/mol. If the rate...
8) A reaction is found to have an activation energy of 38.0 kJ/mol. If the rate constant for this reaction is 1.60 x 102 M-1-1 at 249 K, what is the rate constant at 436 K? 9) If the activation energy for a given compound is found to be 42.0 kJ/mol, with a frequency factor of 8.0 x 1010 s-1, what is the rate constant for this reaction at 298 K? 10) If the activation energy for a given compound...
The rate constant for mercury fulminate decomposition is 4.0 × 10₋8 s₋1 at 298 K, and...
The rate constant for mercury fulminate decomposition is 4.0 × 10₋8 s₋1 at 298 K, and the energy of activation is 105 kJ/mol. At what temperature (K) is the rate constant 0.16 s-1? Enter your answer as an integer.
Bonr Model - Urpits and Energy Levels Bohr Model Bohr energy levels in joules: E,-(2.18x10-**4 in...
Bonr Model - Urpits and Energy Levels Bohr Model Bohr energy levels in joules: E,-(2.18x10-**4 in eV: E, =-(13.6e1.n=1.2.3.4.... Radii for Bohr orbits: 6. = 15.2910* m , 2 – 1,2,3,4... Radii for Bohr Orbits nm (a) What is the radius of the 3rd Bohr orbit in a Hydrogen atom in nm? 1 nm = 10-ºm. Keep 3 decimal places. Enter a number Incorrect (0.0%) Submit (3 attempts remaining) A neutral lithium atom has 3 protons in the nucleus and...
What is the activation energy for a reaction that has a rate constant of 5.68 ×...
What is the activation energy for a reaction that has a rate constant of 5.68 × 10-8 s-1 at 298 K and 1.73 × 10-5 s-1 at 348 K? 66.2 kJ mol-1 70.0 kJ mol-1 41.4 kJ mol-1 98.2 kJ mol-1 19.4 kJ mol-1
presente Organic Chemistry oudon The standard free energy of activation of one reaction A is 93.80...
presente Organic Chemistry oudon The standard free energy of activation of one reaction A is 93.80 kJ mol-'(22.42 kcal mol-'). The standard free energy of activation of another reaction B is 74.80 kJ mol-'(17.88 kcal mol). Assume a temperature of 298 K and 1 M concentration. By what factor is one reaction faster than the other? Number Tools 10 Which reactior O Reaction A is faster. Reaction B is faster. Cannot be determined. O
1. What is AG at 25 °C (298 K) for the reaction below? Show your answer...
1. What is AG at 25 °C (298 K) for the reaction below? Show your answer with four significant figures Cs) + 026) CO268 AH=-393.5 kJ/mol AS=0.0029 kJ/mol K 2. A certain reaction has AH = 10.3 kJ/mol and AS = 42.7J/K-mol. Calculate AG in kJ/mol at 338 K. Show your answer with four significant figures 3. Consider the following potential energy diagram that represents two different reactions. Which reaction is spontaneous? Which reaction is faster? Reaction A Reaction B...
The solubility product of solid silver(I) bromide is 7.7 x 10−13 in water at 298 K....
The solubility product of solid silver(I) bromide is 7.7 x 10−13 in water at 298 K. What is its solubility in grams per liter? A. 1.7 x 10−4 g/L B. 8.8 x 10−7 g/L C. 1.8 x 10−7 g/L D.1.7 x 10−5 g/L E. 2.2 x 10−20 g/L
A stoichiometric mixture of methane air, initially at 298 K and 1 atm pressure, combust to...
A stoichiometric mixture of methane air, initially at 298 K and 1 atm pressure, combust to form products in a large room. It is wise to read Example 5.2 before doing the next set of problems. $15. The thermal diffusivity, a, is a thermodynamic property because it is a function of other thermodynamic properties. Determine a for air at 1300 K. Note that the temperatures in Appendix B are in K. Example 5.2 Estimate the laminar flame speed of a...
The table below gives conductivity data at infinite dilution measured at 25 °C. Electrolyte Aº/mS mmol.' KOOCH 12.81 HCI 42.60 KC 14.99 (a) Why can the limiting molar conductivity of methanoic (formic) acid not be measured directly? (b) Calculate the limiting molar conductivity of methanoic acid. The molar conductivity of 0.020 M HCOOH(aq) is 3.83 mS mmol"!. What is the pk, value for methanoic acid? The following questions are about electrochemistry, Explain how the electrochemical series can be used to...
what will be the molar concentration of each ion in the electrolyte solutions once the reaction reaches equilibrium? (3 marks) 3. An organic compound of unknown structure is being studied. The unknown is determined to have a chemical formula C6H30Br. At 309 K, the unknown decomposes as follows: 2 C6H130Br (aq) C6H120 (aq) + CH140+ (aq) + Br2 (aq) ... continued on the following page. .. At 309 K, the kinetics of the decomposition reaction were studied and the following...
8) A reaction is found to have an activation energy of 38.0 kJ/mol. If the rate constant for this reaction is 1.60 x 102 M-1-1 at 249 K, what is the rate constant at 436 K? 9) If the activation energy for a given compound is found to be 42.0 kJ/mol, with a frequency factor of 8.0 x 1010 s-1, what is the rate constant for this reaction at 298 K? 10) If the activation energy for a given compound...
Bonr Model - Urpits and Energy Levels Bohr Model Bohr energy levels in joules: E,-(2.18x10-**4 in eV: E, =-(13.6e1.n=1.2.3.4.... Radii for Bohr orbits: 6. = 15.2910* m , 2 – 1,2,3,4... Radii for Bohr Orbits nm (a) What is the radius of the 3rd Bohr orbit in a Hydrogen atom in nm? 1 nm = 10-ºm. Keep 3 decimal places. Enter a number Incorrect (0.0%) Submit (3 attempts remaining) A neutral lithium atom has 3 protons in the nucleus and...
presente Organic Chemistry oudon The standard free energy of activation of one reaction A is 93.80 kJ mol-'(22.42 kcal mol-'). The standard free energy of activation of another reaction B is 74.80 kJ mol-'(17.88 kcal mol). Assume a temperature of 298 K and 1 M concentration. By what factor is one reaction faster than the other? Number Tools 10 Which reactior O Reaction A is faster. Reaction B is faster. Cannot be determined. O
1. What is AG at 25 °C (298 K) for the reaction below? Show your answer with four significant figures Cs) + 026) CO268 AH=-393.5 kJ/mol AS=0.0029 kJ/mol K 2. A certain reaction has AH = 10.3 kJ/mol and AS = 42.7J/K-mol. Calculate AG in kJ/mol at 338 K. Show your answer with four significant figures 3. Consider the following potential energy diagram that represents two different reactions. Which reaction is spontaneous? Which reaction is faster? Reaction A Reaction B...
A stoichiometric mixture of methane air, initially at 298 K and 1 atm pressure, combust to form products in a large room. It is wise to read Example 5.2 before doing the next set of problems. $15. The thermal diffusivity, a, is a thermodynamic property because it is a function of other thermodynamic properties. Determine a for air at 1300 K. Note that the temperatures in Appendix B are in K. Example 5.2 Estimate the laminar flame speed of a...
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