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3 atempi 3 attempts left Check my work Be sure to answer all parts. Please report your answer to the correct number of significant figures. Determine the Ky of a weak base if a 0.613 M aqueous solution of the base at 25°C has a pH of 10.88. | x 10 (Enter your answer in scientific notation.)
Be sure to answer all parts. Be sure to report your answer to the correct number of significant figures. Determine Kb of the weak base B whose conjugate acid HB+ has Ka 6.2 × 10−4. × 10 Determine the Ka of the weak acid HA whose conjugate base has Kb 2.1 × 10−8.
Be sure to answer all parts. Report problem Styrene is produced by catalytic dehydrogenation of ethylbenzene at high temperature in the presence of superheated steam. Guided Solution (a) Given these data, find A , ?G , and AS at 298 K: rxn rxn 0 ?? AG (kJ/mol) (kJ/o) J/mol K) Ethylbenzene, CgHs CH2CH3 12.5 119.7255 Styrene, C,H5CH-CH2 103.8 202.5 238 0 AG rxn rxn rxn J/K (b) At what temperature is the reaction spontaneous? (c) What are AGand K at...
Helps 2 attempts left Check my work Be sure to answer all parts. Enter your answers in scientific notation. How many carbon atoms are contained in each of the following number of moles: (a) 3.50 mol; (b) 4.70 mol? Report answer using three significant figures. al atoms * 10 * 10 (6) atoms
Save 3 attempts left Check my work Be sure to answer all parts. The equilibrium constant K, for the reaction 12(g) S 21(9) is 3.77 x 10-5 at 724°C. Calculate K, and Kp for the equilibrium 21(g) 5 12(8) at the same temperature. Kc x 10 (Enter your answer in scientific notation.) Кр
Be sure to answer all parts. Enter your answer in scientific notation. Calculate Ke for the following equilibrium: Kp 2.5 x 1010 at 625 K. 2SO2(g)O2(g)= 2SO3(g); = 1012 Ke=
Be sure to answer all parts. Use standard reduction potentials to find the equilibrium constant for the following reaction at 25 °C: Br2(aq) + 2I−(aq) ⇌ 2Br−(aq) + I2(s) Enter your answer in scientific notation to one significant digit. K = ___×___ 10
Help 3 attempts left Check my work Be sure to answer all parts. Report problem points How many moles are contained in each number of grams of table sugar (C211,201 molar mass 342.3 g/mol)? Enter your answer in scientific notation. Hint a. 0.650 g b . 8.60 g Solution eBook a 10 mol Guided Solution b. 10 mol Print References
Be sure to answer all parts Calculate AG for the following reaction at 25°C: 3Mg(s) 2A (aq) 3Mg2*(aq) +2Al(s) Enter your answer in scientific notation. х 10 kJ/ mol
Be sure to answer all parts of the question. Report your answer to the correct number of significant figures. The fictitious complex M(SCN), can be produced from an aqueous equilibrium in which the M2+ ion is mixed with thiocyanate ion. A solution containing initial concentrations of MP and SCN are 0.000100 M and 0.000100 M respectively has an equilibrium concentration of M(SCN), of 1.00 10 M. What are the equilibrium concentrations of the two starting ions and what is the...