The gas phase decomposition of phosphine at 120 °C PH3(g) 1/4 P_(g) + 3/2 H2(e) is...
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...
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 gas phase decomposition of hydrogen iodide at 700 K HI(g)½ H2(g) + ½ I2(g) is second order in HI with a rate constant of 1.20×10-3 M-1 s-1. If the initial concentration of HI is 2.22 M, the concentration of HI will be _____________________M after 2.21×103 seconds have passed.
The decomposition of phosphine, PH3, follows first-order kinetics: 4 PH3(g) → P4(g) + 6 H2(g) Calculate the activation energy, Eq, in kJ/mol for the reaction, given that the rate constant k (at 25 °C) = 0.00852 s 1 and k (at 50 °C) = 0.756 s 1. 231 kJ/mol 144 kJ/mol O 56.5 kJ/mol О 99.3 kJ/mol O 111 kJ/mol
The gas phase decomposition of hydrogen iodide at 700 K HI(g)%H2(g) + 12() is second order in HI with a rate constant of 1.20x10-'M',' If the initial concentration of HI is 1.48 M, the concentration of HI will be M after 1.34x10 seconds have passed.
The gas phase decomposition of hydrogen peroxide at 400 °C H2O2(g)—>H2O(g) + 42 O2(g) is second order in H2O2. In one experiment, when the initial concentration of 1,02 was 0.153 M, the concentration of H2O2 dropped to 2.51x10-2 M after 36.1 seconds had passed. Based on these data, the rate constant for the reaction is M's-1 The gas phase decomposition of nitrogen dioxide at 383 °C NO2(g)—>NO(g) + 12 02(g) is second order in NO, with a rate constant of...
The gas phase decomposition of sulfuryl chloride at 600 K So,C12(e) SO2(g) + Cl2(E) is first order in SO,Cl, with a rate constant of 2.80x10 min! If the initial concentration of SO,Cl, is 1.66x10-M, the concentration of So,Cl, will be Mafter 815 min have passed. Submit Answer Try Another Version 2 Item attempts remaining
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 5.92×10-3 M, the concentration of SO2Cl2 will be ___M after 482 min have passed.
Be sure to answer all parts. The thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen is a first- order reaction: 4PH3(g) → P4(g) + 6H2(g) The half-life of the reaction is 35.0 s at 680°C. (a) Calculate the first-order rate constant for the reaction. S (b) Calculate the time required for 29% of the phosphine to decompose. S
10. The thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen is a first-order reaction: 4PH3(g) → P4(g) + 6H2(g) The half-life of the reaction is 35.0 s at 680°C. a) Calculate the first-order rate constant for the reaction: _______ s−1 b) Calculate the time required for 78.0 percent of the phosphine to decompose: ________ s