Fill in the table below. Age Frequency (F) Lower Boundary Cumulative Frequency 11 12. 57-61 52- 56 47-51 42-46 37-41 32-36 27-31 22-26 17-21 12-16 1. 2. 4 3. 13. 11 19 36 21 32 25 11 N= 170 4. 5. 14. 15. 16. 6. 7. 17. 18. 19. 8. 9. 10 20.
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- Using the following data O2 (g) SO₂ (g) SO3 (g) Af He/kJ mol-1 0 -296.8 -395.7 AfGe/kJ mol-1 0 -300.2 -371.1 5/JK-1 mol-1 205.1 248.2 256.8 ACO/JK-¹ mol-1 29.4 39.9 50.7 In the following reaction SO₂(g) + O₂(g) → SO3(g) Calculate the enthalpy of reaction, the entropy of reaction, and the Gibbs free energy of the reaction at P=1 atm and T-800 K.The number of vacancies N, in a crystal can be calculated using the Arrhenius equation: N₁ = Ne Ev / KT where N is total number of atoms, Ev is the activation energy for vacancy formation, and k is the Boltzmann's constant and Tis the temperature. Boltzmann constant k = 8.62 x 10¹5 ev/K a) What are the units of 7? b) What are the units for Ev? c) Under what conditions can a crystal have no vacancies?Define the interatomic equilibrium distance and briefly state the factors affecting the magnitude of the interatomic distance.
- The natural logarithm of the Ka of NH4+ is plotted below, as a function of the reciprocal of the absolute temperature. -19.5- -20.0- -20.5- -21.0- In(K) -21.5- -22.0- y = -6283x – 0.215 -22.5- -23.0- -23.5 0.003 0.0031 0.0032 0.0033 0.0034 0.0035 0.0036 0.0037 1/T, K-1 Which statement(s) is(are) correct? I. The pH of a 0.100 M solution of NH4NO3 increases as the temperature is raised. П. AS° for the acid dissociation of ammonium ion is positive. A) I only В) I only C) Both I and II D) Neither I nor II E) Cannot be determined – more information is needed.3.) Calculate the vacancy fraction for lead at its melting temperature of 3270 degrees celsius. You may assume that the vacancy formation energy is 0.55eV.The standard Gibbs free...
- I. GREATER THAN if the parameter in column I is greater than that in column II II. LESS THAN if the parameter in column I is less than that in column II, III. EQUAL TO if the parameter in the column I is equal to that in column II IV. CANNOT BE DETERMINED if the relationship between the cannot be determined given the condition.Explain the effect of temperature on the extent of physical and chemicaladsorption.Find graphically the constants a and b in the Langmuir equation which fit the data given.