Please show procedure: Chemistry
C4H8 (g) ----> 2C2H4 (g) is first-order with respect to C4H8. If the first-order half-life of C4H8 is 9.72 hours, how long will it take for 80.0% of the C4H8 initially present to decompose? Express your answer in hours. (answer: 22.6 hours)
The reaction 2C3H6 (g) ----> 3C2H4 (g) is second-order with respect to C3H6. If the second-order half-life of C3H6 is 2.48 min, how long will it take 80.0% of the C3H6 initially present to react? (answer: 9.92 min)
Please show procedure: Chemistry C4H8 (g) ----> 2C2H4 (g) is first-order with respect to C4H8. If...
9. The reaction 2A → B is second order with a rate constant of 51.0/M·min at 24°C. (a) Starting with [A]0 = 9.50 × 10−3M, how long will it take for [A]t = 3.10 × 10−3M? ______ min (b) Calculate the half-life of the reaction. _______ min 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...
1. For a first order decay of [A], if 525 mg remains of an initial sample of 1.3079 g after 361 min, what is the half life (in minutes)? 2. The decay of antimony-131 is first order with a half life is 23.03 minutes. How much of 1.4228 g sample would remain after 1.368 hours? 3. The decay of antimony-131 is first order with a half life is 23.03 minutes. How long (in minutes) would it take for a 0.8893...
The
half-life for a reaction that is first order in A 15 minutesHow
long will it take for the concentration of A to change from 0.16 M
to 0.040 M?
Question 27 3.33 pts The half-life for a reaction that is first order in A is 15 minutes. How long will it take for the concentration of A to change from 0.16 M to 0.040 M? A(9) - B(g) + C(9) 15 min 60 min 23 min 45 min 30...
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Answer the questions in the blue book in order. You must show all working for full credit. R- 0.08206 Latm/mol.K 1. Initial rate data at 25.0 °C for the reaction: NH4+ (aq) + NO2 (aq) ----> N2(g) + H20 (1) are shown below: Expt. [NH4+lo [NO2 lo Initial rate/Ms 0.24 0.12 0.12 0.10 0.10 0.15 7.2 x 10-6 3.6 x 10-6 iii) 5.4 x 10-6 Determine the rate law from the data and calculate the rate constant k...
3(12) The first-order reaction, 2N2O(g) + 2N2(g) + O2(g), has a rate constant of 0.76 s at 1000K. (a) Calculate the half-life of this reaction at 1000K. (b) How long will it take for the concentration of N20 to fall to 25% of its initial value at 1000K (c) How long will it take for reaction to be 90% complete? (d) If the half-life of the same reaction is 29 min at 800K, what is the rate constant at 800K?...
a)For a first order decay of [A], if 188 mg remains of an initial sample of 1.3737 g after 516 min, what is the half life (in minutes)? b)The decay of carbon-14 is first order with a half life is 5576 years. How much of 1.4376 g sample would remain after 9190 years? c)The decay of cesium-135 is first order with a half life is 3.0 million years. How long (in years) would it take for a 0.9798 g sample...
The reaction NO(g) + 7/2 Cl_2(g) rightarrow NOCl(g) is first-order in [Cl2] and second order with respect to [NO]. Under a given set of conditions, the initial rate of this reaction is 6.20 times 10^-6 mol/L s. What is the rate of this reaction if the concentration of NO is doubled and the concentration of Cl_2 is reduced to half the original value? 6.20 times 10^-6 mol/L s 2.48 X 10_5 mol/L s 1.24 times 10^-5 mol/L s 4.96 times...
1) Hydrogen peroxide, H2O2(aq), decomposes to H2O(l) and O2(g) in a reaction that is first order in H2O2 and has a rate constant k = 1.06×10−3 min−1 at a given temperature. How long will it take for 15% of a sample of H2O2 to decompose? 2)The decomposition of nitrogen dioxide, NO2, into nitrogen monoxide and oxygen at a high temperature is second-order in NO2. The rate constant for this reaction is 3.40 L/mol×min. Determine the time needed for the concentration...
10. (4 pts) The reaction: SO2Cl2(g)- SO2(g ) + Cl (g) is first order with respect to SO,Cl2. This reaction was run at a temperature at which the rate constant was 1.3 x 10 /s. In an experiment, a sample of SO;Cl2 at a concentration of 0.03 1 6 mol/L was allowed to decompose by the reaction above. What was the concentration of SO2CI 5.75 hours after the start of the reaction? A) 0.002 mol/L B) 0.014 mol/L C) 0.024...
8. Consider the reaction: A → B The rate of the reaction is 1.6 × 10−2 M/s when the concentration of A is 0.35 M. Calculate the rate constant if the reaction is first order in A. Enter only the numerical value for the rate constant in the answer box. 9. The reaction 2A → B is second order with a rate constant of 51.0/M·min at 24°C. (a) Starting with [A]0 = 9.50 × 10−3M, how long will it take...