For the reaction 2A → 2B a plot of 1/[A] vs time is linear with a slope of 0.0782 M-1s-1. This reaction is initiated with [A]0=0.573 M and [B] = 0.000 M. What is the concentration of B after 75.1 seconds?
For the reaction 2A → 2B a plot of 1/[A] vs time is linear with a...
Shown below is a concentration
vs. time plot for the reaction 2A ⇌ B. What is the value for the
equilibrium constant for this reaction?
0.100 0.080 0.060 B 0.040 Concentration (M) A 0.020 0.000 0.00 1.00 2.00 3.00 4.00 5.00 Time (min)
Shown below is a concentration vs. time plot for the reaction A leftrightarrow 2B. For this reaction the value of the equilibrium constant is K_c < 1. K_c = 0. K_c = 1. K_c > 1.
For a 1st order reaction the logarithm of concentration is linear to time. The linear equation of the following curve is lnC = lnC0 – 0.2t; where C is the molar concentration (M) of a reactant, C0 is the molar concentration at time t = 0 (the starting concentration or the initial concentration), and in this particular case C0 = 10 M; and t is time in seconds. What is the slope (and the unit) of the curve? What will...
Calculate the slope of the plot of lnk vs. 1/T for the reaction. Be sure to use all decimal places in your calculation. What is this slope expressing? k(M−1s−1) T(K) lnk 1/T(K−1) 6255 288 8.741 0.00347 8831 323 9.086 0.00310 a. slope -932 K and it is equal to -Ea/R b. +930 K and it is equal to Ea (activation energy) c. 7.72 kJ/mole and it is the activation energy of the reaction d. it is equal to the temperature...
For the reaction of gold with Sn2+, ln[Sn2+] vs. time results in a linear plot with a slop of -0.0287s-1. What is the rate constant? Answer numerically in units of the rate constant.
A reaction A B has the following time dependence for the concentration of [A] vs time. For t=(0 s, 5 s, 10 s, 15 s, 25 s) the concentration of [A]=(30.00 M, 19.81 M, 13.08 M, 8.64 M, 3.77 M). The initial concentration of [A] is the value at t=0 s. (A)Calculate the values of the rate constant k assuming that the reaction is first order. What is the value of k at 5 s? s-1 What is the value...
An experimental plot of In(k) vs. 1/T is obtained in lab for a reaction. The slope of the best-fit line for the graph is -3880 K. What is the value of the activation energy for the reaction in kJ/mol? The reaction A + 2B + C Products has a rate law of Rate = k[A]][B]. By what factor would the reaction rate change if [B] is tripled? What is the rate for the second order reaction A - Products when...
The following reaction was monitored as a function of time: AB→A+B A plot of 1/[AB] versus time yields a straight line with slope 5.7×10−2 (M⋅s)−1 . 1) What is the value of the rate constant (k) for this reaction at this temperature? Express your answer using two significant figures. _____M-1S-1 2)Write the rate law for the reaction. Rate=k Rate=k[AB] Rate=k[AB]2 Rate=k[AB]3 3) What is the half-life when the initial concentration is 0.57 M ? Express your answer using two significant...
The reaction below was monitored as a function of time at 25 °C: AB ----> A + B A plot of ln[AB] vs. time yields a straight line with slope = -0.0025 sec-1. What is the value of the rate constant (k) for this reaction at this temperature? Write the rate law for this reaction. What is the half-life (t1/2)? If the initial concentration of AB is 0.500 M, what is the concentration after 300 sec? If the reaction is...
1A. The graphs of a general decomposition chemical reaction is below: [A] vs time In [A] vs time 1/[A] vs time 0.20 150 -2.0 0.15 100 k=- slope In[A] -3.0 [A]. mol 1 A 50 0.05 -4.0 0.00 -5.0 20 60 60 20 40 Time, sec. 60 40 Time, sec 40 Time. sec. If a reaction that follows the same pattern as above, has the initial concentration of the reactant at 1.50 x 10-2M what is the concentraion after 30...