What kind of plot would you use to investigate the temperature dependence of reaction rates?
A. Plot of ln k versus 1/T
B. Plot of Rate versus 1/T
C. Plot of ln[A] versus t
D. Plot of [A] versus T
E. None of the above
What kind of plot would you use to investigate the temperature dependence of reaction rates? A....
The rate constant (k) for a reaction was measured as a function of temperature. A plot of ln k versus 1/T(ln k) is linear and has a slope of -5375 K. Calculate the activation energy for the reaction.
EXERCISE Temperature Dependence Least Squares Plot o In k l/k Reset To In To 1/T The rate of the reaction N2O5(g) → 2 NO2(g) + 1/2 O2(g) is measured at different temperatures, with the following rate constants, k, determined: Temperature, K 298 328 358 378 k, s 3.46 x 10 1.5 x 10-3 3.34 x 10-2 0.21 Use the graphing tool above to make an appropriate plot and determine the activation encrgy, Ea, for this reaction in units of kilojoules....
For the first-order reaction X ⟶ products, which of the following graphs is best for determining the activation energy, Ea ? Note: The best choice is the one that yields a straight line graph with the slope directly proportional to Ea . In the options below, T is the kelvin temperature and t is time. (a) k versus 1/T (b) 1 / [X] versus t (c) ln k versus T (d) ln [X] versus t (e) [X] versus t (f)...
The equilibrium constant K for a certain reaction was measured as a function of temperature (in Kelvin). A plot of ln(K) versus 1/T for this reaction gives a straight line with a slope of 1.352 times 10^4 K and a y-intercept of -14.51. Determine the value of Delta H degree for this reaction -120.6 kJ/mol -164.7 kJ/mol -112.4 kJ/mol -176.7 kJ/mol none of the above
This reaction was monitored as a function of time: A rightarrow B + C A plot of ln[A] versus time yields a straight line with slope -0.0045/s. a. What is the value of the rate constant (k) for this reaction at this temperature? b. Write the rate law for the reaction. c. What is the half-life? d. If the initial concentration of A is 0.250 M, what is the concentration after 225 s?
The following reaction was monitored as a function of time: A?B+C A plot of ln[A] versus time yields a straight line with slope ?4.5×10?3 /s . What is the value of the rate constant (k) for this reaction at this temperature?
the rate constant (k) for a reaction was measured as a function of temperature. A plot of lnk versus 1/T(in K) is linear and has a slope of -9.90•10^3 K. calculate the activation energy for the reaction.
ln(k) = -E_a/R 1/T + ln(A) A plot of ln (k)versus 1/T result in a straight line with a slope = -E_a/R. The value of E_a can then be calculated using the value of R and to the slope of the line. This experiment uses the Arrhenius equation, which relates the temperature and specific reaction rate constant to determine the activation energy for the crystal violet reaction. The reaction will be performed at different temperatures. Once the order of reaction...
1a) For a reaction, a plot of ln K versus inverse temperature is
found to be linear and fits the following equation: y = -1,714x +
5.64. What is the value of ΔH? Give your answer with units of
kJ/molK; however, you should not type in the units
b) If you find that the standard Gibbs free energy change for a
reaction is 1.98 kJ/molK, what is the equilibrium constant for the
reaction at 25.0 oC? Be careful with your...
Dependence of reaction rates on temperature. For the reaction ?12?22?11 + ?2? → ?6?12?6 + ?6?12?6 the rate constant at 298.2 ? is 0.765 ?−1??? −1 , whereas it is 35.5 ?−1??? −1at temperature 328.2 ?. Determine the activation energy of this reaction and the rate constant at 313.2 ?.