The isomerization reaction, CH3NC → CH3CN, is first order and the rate constant is equal to 0.46 s-1 at 600 K. What is the concentration of CH3NC after 0.20 minutes if the initial concentration is 0.50 M? 2.0 ×10-1 M 4.6 × 10-3 M 4.6 × 10-1 M 2.0 × 10-3 M
if 22.0 mL of water containing 0.030 mol of HCl is mixed with 38.0 mL of water containing 0.030 mol of NaOH in a calorimeter such that the initial tempature of each solution was 27.0 degrees C and the final temperature of the mixture is 35.0 degrees C, how much heat (in kJ) is realeased in the reaction? Assume that...
Sucrose is hydrolysed in acid medium according to the following reaction: C12H22O11 + H2O -> glucose + fructose and with a constant of rapidity of 1.8 x 10-4 s-1 at 25oC. What will be the mass of sucrose that is hydrolyzed when 2.55 liters of a solution of initial concentration of 0.150M in sucrose is hydrolysed after 240 minutes? C12H22O11...
For the reaction PCl5(g) ↔ PCl3(g) + Cl2(g) the value of K = 15.4 at 497.0 K. Calculate the equilibrium partial pressures (in bar) of all species at 497.0 K if the initial pressures were P(PCl5(g)) = 0.700 bar, P(PCl3(g)) = 0.320 bar, and P(Cl2(g)) = 0.000 bar.
Be sure to answer all parts. Kc for the reaction of hydrogen and iodine to produce hydrogen iodide. H2(g) + I2(g) ⇌ 2HI(g) is 54.3 at 430°C. Calculate the equilibrium concentrations of H2, I2, and HI at 430°C if the initial concentrations are [H2] = [I2] = 0 M, and [HI] = 0.419 M. [H2] = [I2] = [HI] =
Dinitrogen tetroxide decomposes to nitrogen dioxide: N2O4(g)→2NO2(g)ΔHorxn= 55.3kJ At 298 K, a reaction vessel initially contains 0.100 atm of N2O4. When equilibrium is reached, 58% of the N2O4 has decomposed to NO2. What percentage of N2O4 decomposes at 380 K ? Assume that the initial pressure of N2O4 is the same (0.100 atm).
The following reaction 2H2S(g)⇌2H2(g)+S2(g),Kc=1.654×10−7 at 800∘C is carried out at the same temperature with the following initial concentrations: [H2S]=0.132M, [H2]=0.165 M, and [S2]=0.00 M. Find the equilibrium concentration of S2. Express the molarity to three significant figures. Answer in units of nM.
Determine the rate law and the value of k for the following reaction using the data provided. CO( g ) + Cl 2 ( g ) → COCl 2 ( g ) . Experiment 1, 2, 3 . Initial Rate ⁄ M · s − 1 0.696, 1.97, 3.94 . [CO] ⁄ M 0.25, 0.25, 0.50 [Cl 2 ] ⁄...
Propane (C3H8, g) is reacted with oxygen to produce carbon dioxide and liquid water. In an experiment, 2.06 moles of propane were reacted with 1.67 moles of oxygen. The initial pressure in the container was 3.50 atm. Assuming the reaction goes to completion (and ideal-gas behaviour all through the process), calculate the final pressure (atm) inside the container.
5. Given that CH3COOH(aq) ⇌ H+(aq) + CH3COO–(aq), Ka = 1.83 × 10–5 at 25.00 °C. Calculate the reaction quotient Q, ΔG°, and ΔG for a solution at 25.00 °C in which the initial concentrations are: [CH3COOH]0 = 0.10 M, [H+]0 = 4.5 × 10–5 M, [CH3COO–]0 = 0.010 M