The experimental rate constant for the decomposition reaction of NO2 is 1.304 M-1 s-1. For an experiment with initial concentration [ NO2 ] = 4.10 mM, What is the half-life time of this reaction in seconds (answer to 1 decimal place) ? ___[HL1]___

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The experimental rate constant for the decomposition reaction of NO2 is 1.304 M-1 s-1. For an...
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...
At 300oC, the decomposition of NO2(g) is second order with a rate constant of 0.54 M-1 s-1. If the initial concentration of NO2 is 0.65 M, what is the concentration of NO2 (in M) after 13.9 s have elapsed?
The rate constant for the second order reaction 2 NO2 ⟶ N2O4 is 2.79 M-1.min-1 at 48oC. If the initial concentration of NO2 is 1.05 M, what is the half-life?
The gas phase decomposition of nitrogen dioxide at 383 °C NO2(g)NO(g) + ½ O2(g) is second order in NO2. In one experiment, when the initial concentration of NO2 was 0.449 M, the concentration of NO2 dropped to 5.84×10-2 M after 20.6 seconds had passed. Based on these data, the rate constant for the reaction is_______ M-1 s-1?
Integrated Rate Laws 1. The rate law expression for the reaction of sucrose in water C12H22O11 + H2O ---> 2 C6H12O6 Is rate = k[C12H22O11]. a. What is the order with respect to each reactant? b. What is the overall order of the reaction? c. After 2.57 hours, 6.00g/L of C12H22O11 has decreased to 5.40g/L. Express these concentrations in units of M. d. What is the value and units for k given the information in part c? e. Knowing the...
The decomposition of XY is second order in XYand has a rate constant of 7.12×10−3 M−1⋅s−1 at a certain temperature. What is the half-life for this reaction at an initial concentration of 0.100 M? How long will it take for the concentration of XY to decrease to 12.5% of its initial concentration when the initial concentration is 0.100 M? How long will it take for the concentration of XY to decrease to 12.5% of its initial concentration when the initial...
Part A: The rate constant for a certain reaction is k = 2.30×10−3 s−1 . If the initial reactant concentration was 0.450 M, what will the concentration be after 3.00 minutes? Part B: A zero-order reaction has a constant rate of 4.10×10−4 M/s. If after 35.0 seconds the concentration has dropped to 5.50×10−2 M, what was the initial concentration? Express your answer with the appropriate units.
The gas phase decomposition of N2O5(g) àNO3(g) + NO2(g) is studied at a certain temperature, giving the following data: Time (s) [N2O5] (M) 0.0 1.000 50.0 0.677 100.0 0.458 150.0 0.310 200.0 0.210 Is the overall order of reaction zeroth, first or second order? What is the rate constant (include units)? Calculate half-life (in s) for this reaction given the initial concentration in the table. What is the concentration of N2O5 (in M) at 250. s?
The decomposition of nitramide in aqueous solution at 25°C NH2NO2(aq) N2O(g) + H2O(1) is first order in NH NO2 with a rate constant of 4.70x10-55-1 If the initial concentration of NH_NO2 is 0.902 M, the concentration of NH2NO2 will be M after 45290s have passed In a study of the gas phase decomposition of dinitrogen pentoxide at 335 K N205(8) +2 NO2(g) + O2(g) the concentration of N2O5 was followed as a function of time It was found that a...
25. The rate constant of a first-order decomposition reaction is 0.0267 s-l. If the initial concentration of reactant is 0.198 M, what is the concentration of reactant after 30.0 seconds? 26 Hydrogen perovide dome