For H+ + OH¯ ⇌ H2O, the relaxation time has been measured as 36 μs at 25 °C. Find k1 if [H+ ]eq = 1.0 × 10-7 mol dm-3 and [H2O]eq = 55.5 mol dm-3 .
For H+ + OH¯ ⇌ H2O, the relaxation time has been measured as 36 μs at...
please answer the relaxation time question correctly with the correct units asked in the question. thank you The pKa of NH4+ is 9.25 at 25°C. The rate constant at 25°C for the reaction of NH4+ and OH- to form aqueous NH3 is 4.0x1010 dm3 mol-1 s- Calculate the rate constant for proton transfer to NH3. What relaxation time would be observed if a temperature jump were applied to a solution of 0.13 mol dm-3 NH3(aq) at 25°C? 0.027 ns The...
The rate constant for the reaction H^+ + OH^- right arrow H2O is 1.3 times 10^11 dm^3 mol^-1s^-1. Calculate the half-life for the neutralization process if (a).[H^+] = [OH^-] = 10^-1 M and (b). [H^+] = [OH^-] = 10^- M.
5. Be sure to answer all parts. Calculate ΔG for the reaction H2O(l) ⇆ H+(aq) + OH−(aq) at 25°C for the following conditions. (a) [H+] = 1.0 × 10−3M, [OH−] = 1.0 × 10−4M _________ kJ/mol (b) [H+] = 3.5 M, [OH−] = 4.8 × 10−4M _________kJ/mol
OH + H2 → H2O + H. a. Using all columns of data provided, find ∆rxnHo at 298 K b. Find Keq at 298 K c. Using all columns of data provided, find ∆H‡ at 298 K Substance AH" (kJ/mol) AGE (kJ/mol) -228.572 Sº (J/K/mol) 188.825 -241.818 217.965 203.247 114.713 H2O (g) H(g) OH (g) H2 (g) Cpº (J/K/mol) 33.577 20.786 29.89 28.824 38.95 34.23 183.64 130.684
3) Complete the following synthesis 1 eq. DIBAL CN K) 78 C H2o 3) Complete the following synthesis A) H+ он OH NaNH2 OTs OTs PCC PCl 1 eq. DIBAL CN K) 78 C H2o 3) Complete the following synthesis A) H+ он OH NaNH2 OTs OTs PCC PCl
Question 25 1) Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of H2O(g) (3 marks) CH4(g) + H2O(g) = C,H,OH(g) ke -9.0 * 10 M [CH]eq=0.015 mol CH2OHjeq = 1.69 moll A) 9.9 x 10 mol L' B) 80. mol L' C) 1.0 mol L. D) 1.68 mol L' E) 0.013 mol L'
Al(OH)3 + 3 H+ <--> Al3+ + 3 H2O You find that the solution pH = 5, and that [Al3+] = 10-2 mol/L. Assuming the activity coefficient = 1 for Al3+, what is the log(Keq) of the Al(OH)3 dissolution written above assuming the system is at equilibrium? If you got stuck on a, assume that log(Al3+)=log(Keq)-3pH + 30.
EXPT 5 HYDROLYSIS OF SALTS Use Ph to calulate H+ and OH- SOLUTION Measured pH Calculated [H+] Calculated [OH-] H2O(boiled) 7 0.1M NaCl 7 0.1M Na2CO3 13 0.1M NaC2H3O2 8.8 0.1M NH4Cl 4.6 0.1M Al(NO3)3 4 0.1M ZnCl2 5 0.1M KAl(SO4)2 4
(e) In the reaction: H202(a) +3 (a)+ 2 H(a)Is (a)+ 2 H2O( (aq) (aq)13 3 (aq) the concentration of I- decreases from 0.173 to 0.146 mol dm-3 in 1 min. What is the rate of the reaction over this time interval? [2 marks (f) The activation energy for the formation of ethane from cyclobutane is 260 kJ mol1. If the rate constant at 300°C is 7.9 x 10 9 s-1, what is the pre-exponential factor A for this reaction? 12...
OH + H2 → H2O + H. a. Using all columns of data provided, find ∆rxnHo at 298 K b. Find Keq at 298 K c. Using all columns of data provided, find ∆H‡ at 298 K Substance AH" (kJ/mol) AGE (kJ/mol) -228.572 Sº (J/K/mol) 188.825 -241.818 217.965 203.247 114.713 H2O (g) H(g) OH (g) H2 (g) Cpº (J/K/mol) 33.577 20.786 29.89 28.824 38.95 34.23 183.64 130.684