At 700 K, the rate constant for the following reaction is 6.2 x 10-4 min-1 нсен,...
The isomerization of cyclopropane follows first order kinetics. The rate constant at 700 K is 6.20 × 10–4 min–1. A.) What is the half-life for this reaction in minutes? B.) If a sealed flask originally contains 0.150 M cyclopropane, what is the concentration remaining after one hour?
1. Initial rate data at 25.0 °C are listed below for the reaction: 2 HgCl2 (aq) + C,042 (aq) → 2 (aq) + 2 CO2(g) + HgCl(s) Expt. [HgCl2]0 [C:02) Initial rate/Ms? 0.100 0.20 0.100 0.40 3.1 x 105 1.2 x 104 6.2 x 10-5 0.050 0.40 Use the data to determine the rate law for the reaction. 2. At 500 °C, cyclopropane (C3H.) rearranges to propene (CH:CH-CH2): CH. (g) → CH,CH=CH2 (8) The reaction is first order and the...
3. A reaction has a rate constant of 3.15 x 10 -4 L mol -1 min -1 at 25 °C, and a rate constant of 3.72 x 10 -3 L mol -1 min -1 at 40 °C. What is the activation energy for the reaction? Give your answer to 3 significant figures.
1. Part: A The rate constant for a certain reaction is k = 6.00×10−3 s−1. If the initial reactant concentration was 0.550 M, what will the concentration be after 10.0 minutes? Part B: A zero-order reaction has a constant rate of 1.80×10−4M/s. If after 75.0 seconds the concentration has dropped to 7.50×10−2M, what was the initial concentration? 2. At 500 ∘C, cyclopropane (C3H6) rearranges to propane (CH3−CH=CH2). The reaction is first order, and the rate constant is 6.7×10−4s−1. If the...
4. The rate constant for the reaction rate constant for the reaction 3A 4B is 2.50 x 10-3 L mol-min". How long will take the concentration of A to drop from 0.75 M to 0.50 M? (6 points)
The reaction below has rate constant 2.50 x 10 -1 min -1 and obeys the rate law: rate = k [A]. At what time will 61.9 % of A have reacted?
At a certain temperature, the equilibrium constant K for the following reaction is 6.59 x 10 NO )+ COG)NOg)+ Co2(8) Use this information to complete the following table. 1.4 mol of O There will be very little NO2 and co. O There will be very little NO and CO2 O Neither of the above is true. NO2 and 1.4 mol of CO. What can you say about the 0-10 of the mixture in the vessel at equilibrium? What is the...
please help Submit #4 Ch.9 810 (90 min.) Help Save & Exit On January 1, Parson Freight Company issues 70%, 10-year bonds with a par value of $4,000,000. The bonds pay interest semiannually. The market rate of interest is 8.0% and the bond selling price was $3,728.197. The bond issuance should be recorded as: Multiple Choice O Debit Cash $3,728.197. debit interest Expense $271.803, credit Bonds Payable $4.000.000 O Debit Cash $3,728,197, credit Bonds Payable $3728,197 o o Debit Cash...
What is the [OH-] for a solution at 25°C that has [H30+1 = 1.15 x 10-4 M? Multiple Choice О 0.869 10-10 M O 1.26 10-10 M None of these choices are correct. О 1.26 x 10-5 M 0.869 x 10-15 M
Ch.19 #4 The rate constant of a first-order reaction is 3.90 x 10-45 at 350°C. If the activation energy is 123 kJ/mol, calculate the temperature at which its rate constant is 9.65 x 10-457. °C