A reaction is found to be one-half order in each of the reactants A and B. If the reaction rate is 10.0 mol L-1 s-1 when [A] = 0.20 M and [B] = 0.40 M, the specific rate constant for the reaction is
A reaction is found to be one-half order in each of the reactants A and B....
2. Answer the following questions by connecting the half-life of each first-order reaction to the rate constant. a. The rate constant of a first-order reaction is 2.43 × 10–2 min–1. What is the half-life of the reaction? (2 points) b. A first-order reaction has a rate constant of 0.547 min-1. How long will it take a reactant concentration 0.14 M to decrease to 0.07 M? (2 points) c. The half-life of a first-order reaction is 5.47 min. What is the...
For the reaction A+B+C→D+E, the initial reaction rate was measured for various initial concentrations of reactants. The following data were collected: Trial [A] (M) [B] (M) [C] (M) Initial rate (M/s) 1 0.40 0.40 0.40 1.2×10−4 2 0.40 0.40 1.20 3.6×10−4 3 0.80 0.40 0.40 4.8×10−4 4 0.80 0.80 0.40 4.8×10−4 Rate law equation The rate of a chemical reaction depends on the concentrations of the reactants. For the general reaction between Aand B, aA+bB⇌cC+dD The dependence of the reaction...
For the reaction A+B+C→D+E, the initial reaction rate was measured for various initial concentrations of reactants. The following data were collected: Trial [A] (M) [B] (M) [C] (M) Initial rate (M/s) 1 0.40 0.40 0.40 1.2×10−4 2 0.40 0.40 1.20 3.6×10−4 3 0.80 0.40 0.40 4.8×10−4 4 0.80 0.80 0.40 4.8×10−4 Rate law equation The rate of a chemical reaction depends on the concentrations of the reactants. For the general reaction between A and B, aA+bB⇌cC+dD The dependence of the...
For the reaction A+B+C→D+EA+B+C→D+E, the initial reaction rate was measured for various initial concentrations of reactants. The following data were collected: Trials [A] (M) [B] (M) [C] (M) Initial rate (M/s) 1 0.20 0.20 0.20 6.0x10-5 2 0.20 0.20 0.60 1.8×10−4 3 0.40 0.20 0.20 2.4×10−4 4 0.40 0.40 0.20 2.4×10−4 Given the data calculated in Parts A, B, C, and D, determine the initial rate for a reaction that starts with 0.45 M of reagent A and 0.90 M...
please someone help me with question 2. thank you
2. For a second-order reaction where Alaal with 0.20 mol/L of A. Baal, the half life is 10.22 min starting A. What is the rate constant? B. How long will it take for 80.0% of a solution of 0.20 M A to react? C. What is the half-life of the reaction when starting with 0.20 MA? Rate = k [A]. – [A]e = kt Rate = k[A] Rate = k[A] k...
Consider the equation: 2A + B → C The initial rate of reaction is measured at several different concentrations of the reactants with the following results: [A] (M) [B] (M) Initial Rate (M/s) 0.40 0.10 0.026 0.10 0.10 0.026 0.40 0.20 0.103 (blank 1) What is the order with respect to reactant A? (write a number) (blank 2) What is the order with respect to B? (write a number) (blank 3) What is the value of the rate constant. Include...
Which of the following statements about the half-life of a reaction are true? Ob. None of the above are true. O a. The half-life of a first-order reaction increases with time. Oc. A zero-order reaction doesn't have a half-life. d. The half-life doesn't depend on the order of the reaction. The half-life of a second-order reaction is independent of time. e. A given reaction has rate law rate = k[A]2[B]1/2. If the instantaneous rate of reaction is 0.034 Mis when...
1a ) The reaction 2 A → B + C is first order in A. A time lapse of 180 s was required for the concentration of A to drop from an initial value of 1.5 x 10-2 M to 2.5 x 10-3 M. How much additional time, in s, is required for [A] to decrease further to 1.0 x 10-4 M? A. 500 B. 320 C. 750 D. 360 E. 180 1b) For a reaction that proceeds by the...
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3. Consider the following reaction where Kc 1.18 at 150K: 2HI(E)H2(g)+ 12(s) A reaction mixture was found to contain 0.0381 moles of HI, 0.0471 moles of H2, and 0.0364 moles of lz in a 1.00 L container. Is the reaction at equilibrium? And if not, what direction must it run in order to reach equiltibriurn? At equilibrium a 1.0-liter container was found to contain 0.20 mol of A, 0.20 mol of B, 0.40 mol of C, and...
a first order reaction with a single reactant (A) is found to have a half-life of 69.4 seconds. 1) calculate the rate constant for the reaction 2) if [A]0=0.100 M , calculate [A]t at 60.0 seconds 3) how long will it take , in mintues for 90.0 % of A to decompose ?