3. The half-life for the first order decomposition of N2O3(g) is 6.00 104 s1 at 20...
6. (a) The rate constant for the first-order decomposition of N2Os in the reaction, 2 N2Os(g)-4 NO(g)+0.(g), k-3x10-s at 25°C. What is the half-life of N20s? What will be the pressure, initially 500 bar, at 10 min after initiation of the reaction? (b) Knowing the activation energy of the above reaction is 100 kJ mor', calculate the required reaction temperature at which the reaction rate is doubled. (c) What is the conversion efficiency of N20s at 1 bar and 25...
The first order decomposition of HI(g) at a given temperature has a half-life of 5.453 x 101 seconds. What is the rate constant for HI(g)?
How do you calculate the half life for this reaction? The first-order reaction of decomposition of azomethane is given below: At a certain temperature, the rate constant for this reaction equals 3.05 X 10^-3 s^-1. Calculate the half-life of this reaction (in seconds) at the same temperature.
14.44 The first-order rate constant for the decomposition of N205, 2N205(g)-→ 4 NO2(g) + O2(g), at 70°C is 6.82 × 10-3 s-1. Suppose we start with 0.250 mol of N205(g) 1S in a volume of 2.0 L. (a) How many moles of N2O5 will re- main after 10.0 min? (b) How many minutes will it take for the quantity of N205 to drop to 0.100 mol? (c) What is the half-life, in minutes, of N2Os at 70 °C?
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...
b Sulfuryl chloride undergoes first-order decomposition at 320.ⓇC with a half-life of 8.75 h (k= 2.20 x 10-55-1). SO2Cl2(g) → SO2(g) + Cl2(g) If the initial pressure of So Cl2 is 790 torr and the decomposition occurs in a 1.25-L container, how many molecules of So,Cl2 remain after 11.9 h? molecules SO2Cl2
The first-order decomposition of hydrogen peroxide has a half-life of 10.7 h at 20°C. a. What is the rate constant (expressed in hr−1) for this reaction? _____________ Write answer to three significant figures and NO UNITS in answer. b. If you started with a solution that was 7.5 × 10−3 M H2O2, what would be the concentration of H2O2 after 3.3 h? __________
In a study of the gas phase decomposition of dinitrogen pentoxide at 335 K N2O3(g) 2 NO2(g) + % O2(g) the concentration of N,05 was followed as a function of time. It was found that a graph of In[N203) versus time in seconds gave a straight line with a slope of 6.25x10s and a y-intercept of -1.94 Based on this plot, the reaction is order in N205 and the rate constant for the reaction is In a study of the...
At 25°C the half-life for the first-order decomposition of a pesticide solution is 15.0 hrs. (a) Calculate the rate constant for the reaction. (b) If the starting concentration of pesticide is 0.500 M, what concentration will remain after 120 min at 25°C? neat handwriting, please!
Question 6 (18 marks) (a) Given that the rate constant k for the first-order decomposition of compound X is 2.65 x 10-9 s', calculate the percentage of compound X that has decomposed in the first 2250 seconds after the reaction begins. (4 marks) (b) Consider the first order reaction: W2 → 2 Y. If [W2]=0.8 M initially and 0.17 M after 160 seconds, what will [W2] be after 350 seconds? (4 marks) (c) Data for the reaction 3A + 5B...