Determine the K a for HA at 25°C. The K b for A- is 6.61 × 10 -4.
21) Determine the K, for CH3NH3 at 25°C. The K for CH3NHh is 44 x 10-4 21) - A) 68 10-11 B) 2.3 x 10-11 C) 3.1 x 10-10 D) 2.3 * 10-3 E) 5.6 x 10-10 22)
Determine the pOH of a 1.488 M NH 3 solution at 25°C. The K b of NH 3 is 1.76 × 10 -5.
For the gas phase isomerization of dimethyl citraconate, the rate constant is 6.61*10* .-at 671 K and 2.32 107, cis-(CH300C)(CH)C CHCOOCH trans-(CH,00C)(CH3)C=CHCOOCH, 719 K Calculate the activation energy for this reaction kJ/mol Check & Submit Answer Show Approach ote d 9
Provide an appropriate response. Given Ho: ? 25 and Ha: ?> 25, determine whether the hypothesis test is left tailed right-tailed, or two-tailed. A left-tailed B) right-tailed C) two-tailed
Carbolic acid, C,HsOH, ha aKof 1.3), 10-Mat 25-C. ) Write the chemical equation corresponding to the K, reaction for carbolic ez, acid. i) Calculate the pH of a 0.15 M solution of carbolic acid.
IIIIIIIIIIIIIIIIIIIIIIIIIIIIII 27) Determine the Kb for CN at 25°C. The K, for HCN is 4.9.10-10. A) 1.4. 10-5 B) 49.10-14 C) 20.10-5 D) 23.10-9 E) 3.7.10-7 28) 28) Calculate the solubility (in g/L) of calcium fluoride in water at 25°C if the Ksp for Ca F2 is 1.5 10-10 A) 9.6 10-4 g/L B) 3.3. 10-2 g/L. C) 4.1 . 10-2 g/L. D) 2.6 x 10-2 g/L 29) 29) The equilibrium constant is given for two of the reactions below....
IPUIN. 6.61 The vapor pressure of toluene is 8.00 kPa at 40.3 °C and 2.67 kPa at 18.4°C. Calculate (a) the heat of vaporization and (6) the vapor pressure at 25°C. 66 AOC i hoorho 222.5 1.-1in molti
Rpi Ri Mi 1. Specifications (a) RR21 150 k. (b) RDi 3 k2. (c) Rs1 400 Ω. (d) RL 10 k. (e) 9m-10 mS. (f) Use 10μF capacitors. (h) Cod 5 pF (i) Cds= 25 pF Tasks (a) Determine (b) Determine Tod (c) Determine TL from Ci2 and CDB) (d) Determine H, the 3 dB high frequency bandwidth Rpi Ri Mi 1. Specifications (a) RR21 150 k. (b) RDi 3 k2. (c) Rs1 400 Ω. (d) RL 10 k. (e)...
10. Which is a stronger acid: A) HA, K. - 4.4x10-10 B) HB, K, -2.6x10* 11. Identify the conjugate acid of CO 2- in the reaction C0,2- + H2POCHCO,- + HPO42- A) H.CO B) HCO3- C) H20 D) HPO, E) H2PO4 12. Calculate the pH of a carbonated beverage in which the hydrogen ion concentration is 3.4 x 10 M A) 2.34 B) 3.47 C) 6.01 D) 7.99 E) 10.53
20) Determine the pH of a 0.188 M NH3 solution at 25°C. The K of NH3 is 1.76 x 10-5. 20) B) 12.656 A) 5.480 C) 8.520 D) 11.260 E) 2.740