The gas phase reaction 2 N2O5(g) → 4 NO2(g) + O2(g) has an activation energy of 103 kJ/mol, and the first order rate constant is 1.01×10-4 min-1 at 278 K. What is the rate constant at 308 K?
________min-1
The gas phase reaction 2 N2O5(g) → 4 NO2(g) + O2(g) has an activation energy of...
The decomposition of N2O5 proceeds according to the following equation 2 N2O5(g) → 4 NO2(g) + O2(g). The rate constant, k, for the reaction at 298 K is 2.20 x 10-3 min-1. If a reaction is set up in a vessel at 298 K, with an initial concentration of 0.278 mol L-1; what is the concentration of reactant N2O5(g) in mol/L after 40.2 minutes? Report your answer without units
Calculate the activation energy, Ea, for N2O5(g) --> 2 NO2(g) + 1/2 O2(g) given k (at 30.0 °C) = 7.24E-5 s–1 and k (at 75.0 °C) = 2.16E-2 s–1. (R = 8.314 J/K×mol)
1A. The decomposition of dinitrogen pentoxide in carbon tetrachloride solution at 30 °C N2O5 2 NO2 + ½ O2 is first order in N2O5 with a rate constant of 4.10×10-3 min-1. If the initial concentration of N2O5 is 0.510 M, the concentration of N2O5 will be M after 402 min h 1B. The gas phase decomposition of phosphine at 120 °C PH3(g)1/4 P4(g) + 3/2 H2(g) is first order in PH3 with a rate constant of 1.80×10-2 s-1. If the...
The first-order rate constant for the gas-phase decomposition of N2O5 to NO2 and O2 at 65oC is 4.87 x 10-3/sec. (a) If a chemist starts with 0.550 moles of N2O5 in a 500.0 ml container, how many moles of N2O5 will remain after 18.0 minutes? (b) How long will it take for the quantity of N2O5 to drop to 0.0550 moles? 14. The first-order rate constant for the gas-phase decomposition of N205 to NO2 and O2 at 65℃ is 4.87...
For the gas phase decomposition of dinitrogen pentoxide, N2O52 NO2 + 1/2 O2 the rate constant at 320 K is 6.13×10-4 /s and the rate constant at 355 K is 2.79×10-2 /s. The activation energy for the gas phase decomposition of dinitrogen pentoxide is kJ.
1. a. The gas phase decomposition of sulfuryl chloride at 600 K SO2Cl2(g) -------> SO2(g) + Cl2(g) is first order in SO2Cl2 with a rate constant of 2.80×10-3 min-1. If the initial concentration of SO2Cl2 is 5.84×10-3 M, the concentration of SO2Cl2 will be _____M after 618 min have passed. b. The gas phase decomposition of dimethyl ether at 500 °C CH3OCH3(g)-------->CH4(g) + H2(g) + CO(g) is first order in CH3OCH3 with a rate constant of 4.00×10-4 s-1. If the...
The activation energy for the gas phase decomposition of difluoroperoxide is 72.4 kJ. F2O2F2 + O2 The rate constant at 238 K is 7.77×10-4 /s. The rate constant will be ___ /s at 279 K.
The activation energy for the gas phase decomposition of difluoroperoxide is 72.4 kJ. F2O2F2 + O2 The rate constant at 226 K is 1.09×10-4 /s. The rate constant will be (blank) /s at 263 K
The decomposition of crystalline N2O5 N2O5 (s) —> 2 NO2 (g) + 1/2 O2 (g) is an example of a reaction that is thermodynamically favored even though it absorbs heat. At 25°C we have the following values for the standard state entrapped and free energy changes of the reaction: ΔH° = +109.6 kJ/mol ΔG° = -30.5 kJ/mol a. Calculate ΔS° at 25°C b. Why is the entropy change so favorable for this reaction? Please answer and explain both questions!
Calculate the activation energy for the gas phase reaction: 2 NOCl(g) ® 2 NO(g) + Cl2(g) given the following data: T(K) rate constant (L mol-1s-1) 400 6.95 × 10-4 450 1.98 × 10-2 500 2.92 × 10-1 550 2.60 600 16.3