Homework Answers
graph is
ln k on y - axis
1/T on x- axis
slope = - Ea / R
R = 8.314 x 10^-3 k J / mol . K
ln (k2 / k1) = Ea / R [1/ T1 - 1/ T2]
ln (1.5 x 10^-3 / 3.46 x 10^-5) = Ea / 8.314 x 10^-3 [1/ 298 - 1 / 328]
Ea = 102 .1 kJ /mol
activation energy Ea = 102 .1 kJ /mol
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EXERCISE Temperature Dependence Least Squares Plot o In k l/k Reset To In To 1/T The...
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The Arrhenius equation for the dependence of the rate constant, k, on temperature is given by In k = + In A, where A is the frequency factor, R is the ideal gas constant, and EA is the activation energy. The rate of conversion of cyclo-propane to propene in gas phase was measured over the temperature range 750-900 K, and the rate constants that were found are reported below. Hint: think about what the following equation means In = (1,...
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O KINETICS AND EQUILIBRIUM Using the Arrhenius equation to calculate Ea from k versus T data...
O KINETICS AND EQUILIBRIUM Using the Arrhenius equation to calculate Ea from k versus T data The rate constant k for a certain reaction is measured at two different temperatures: temperature 148.0°C 89.0 °C k 5.7 x 10° 3.3 * 10° Assuming the rate constant obeys the Arrhenius equation, calculate the activation energy E, for this reaction Round your answer to 2 significant digits.
Data Sheet Part A: Dependence of Reaction Rate on Concentration Table 1 H Temperature Time Relati...
Can someone please help me finish the tables and
calculations.
Thanks in advance
Data Sheet Part A: Dependence of Reaction Rate on Concentration Table 1 H Temperature Time Relative mixture ! (seconds) | rate 1000 Reaction BrOsl (eC) . 1235.6 Avg. time 2. 67.S 3. 08,24 Avg. time 2. 74.2 3. 70.74.O Avg. time 24.o' 4 弘·11 0.2 OD3 0.00 8 100 o.oy | 23.5 3. 29. Avg. time 교 Table 2: Calculations for the [I']. [Bro, & [H'] BrOs...
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Please help me find the value of -Ea/R from ln k' vs 1/T graph E. Determination...
Please help me find the value of -Ea/R from ln k' vs 1/T graph
E. Determination of Activation Energy Time for color change Reaction rate Calc. K 1 Ink Temperature 1/T(K) 1. Trial 4 34 sec 4.35 x 10" 66.35*100] -14.27 .: 292,654 3.42x10- 2. Cold 116sec 8.62x10 m 1.24x10 -15.90 278.15K 3.60*10*** 3. Warm 17.5 sec 5.71x107m 8.24x10° -14,01 308.15K 3.25% 10 4. Instructor's Approval of Data Plot *calwlations attached on separate snert 5. Value of (-E/R) from In...
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1-The rate constant of a chemical reaction was measured at several temperature values and a plot...
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Table 3: Experimental Data for Part 2: Determination of Activation Energy k Time* T* [1] [S,0,?] Rate (M/s) (s) (C) (M) (M) Run 3 153 20.5 .0208 .0416 4.03*10^-6 4.65*10^-3 (Room T) Run 6 198 9 .0208 .0416 3.15*10^-6 3.64*10^-3 (Cool) Run 7 112 31 .0208 .0416 5.58*10^-6 6.45*10^-3 (Warm) Run 8 40 51 .0208 .0416 1.56*10^-5 1.80*10^-2 (Warmer) 1/T (1/K) In k Run 3 1/293.5 -5.37 Run 6 1/282 -5.62 Run 7 1/304 -5.044 Run 8 1/324 -4.02 20....
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The Arrhenius equation for the dependence of the rate constant, k, on temperature is given by In k = + In A, where A is the frequency factor, R is the ideal gas constant, and EA is the activation energy. The rate of conversion of cyclo-propane to propene in gas phase was measured over the temperature range 750-900 K, and the rate constants that were found are reported below. Hint: think about what the following equation means In = (1,...
Answer the questions according to the following equation: Data for the temperature dependence of the reaction, NO2(g) O2(g) NO(g) O3(g) + + → are illustrated in the table below. k (M/s) 1.08 x 109 T(°C) 78.15 -43.15 2.95 x 10o9 -13.15 5.42 x 10 24.85 12.0x 10 95.85 35.5 x 10 Graph the data according to the Arrhenius equation and the appropriate axes. (Using graph paper will give more accurate results more points) (10 pts) a. b. What is the...
O KINETICS AND EQUILIBRIUM Using the Arrhenius equation to calculate Ea from k versus T data The rate constant k for a certain reaction is measured at two different temperatures: temperature 148.0°C 89.0 °C k 5.7 x 10° 3.3 * 10° Assuming the rate constant obeys the Arrhenius equation, calculate the activation energy E, for this reaction Round your answer to 2 significant digits.
Can someone please help me finish the tables and
calculations.
Thanks in advance
Data Sheet Part A: Dependence of Reaction Rate on Concentration Table 1 H Temperature Time Relative mixture ! (seconds) | rate 1000 Reaction BrOsl (eC) . 1235.6 Avg. time 2. 67.S 3. 08,24 Avg. time 2. 74.2 3. 70.74.O Avg. time 24.o' 4 弘·11 0.2 OD3 0.00 8 100 o.oy | 23.5 3. 29. Avg. time 교 Table 2: Calculations for the [I']. [Bro, & [H'] BrOs...
Please help me find the value of -Ea/R from ln k' vs 1/T graph
E. Determination of Activation Energy Time for color change Reaction rate Calc. K 1 Ink Temperature 1/T(K) 1. Trial 4 34 sec 4.35 x 10" 66.35*100] -14.27 .: 292,654 3.42x10- 2. Cold 116sec 8.62x10 m 1.24x10 -15.90 278.15K 3.60*10*** 3. Warm 17.5 sec 5.71x107m 8.24x10° -14,01 308.15K 3.25% 10 4. Instructor's Approval of Data Plot *calwlations attached on separate snert 5. Value of (-E/R) from In...
0 In K vs 1/T With Trendline ol4 V be y6866.30x-9.3041 R2-0.9992 30.00 -30,50 31.00 31.50 32.00 32.50 33.00 -33.50 -34.00 -34.50 -35.00 3.00 3.70 3.60 3.50 3.40 3.30 3.20 3.10 1/T (x 10 K) 4. Recalling that A, G = -RTlnKeq , use the plot shown to find the Enthalpy change for the auto-ionization of water at the temperature of the human body (37°C). Find the Change in entropy for the self-ionization of water at this temperature. to notuloz...
Table 3: Experimental Data for Part 2: Determination of Activation Energy k Time* T* [1] [S,0,?] Rate (M/s) (s) (C) (M) (M) Run 3 153 20.5 .0208 .0416 4.03*10^-6 4.65*10^-3 (Room T) Run 6 198 9 .0208 .0416 3.15*10^-6 3.64*10^-3 (Cool) Run 7 112 31 .0208 .0416 5.58*10^-6 6.45*10^-3 (Warm) Run 8 40 51 .0208 .0416 1.56*10^-5 1.80*10^-2 (Warmer) 1/T (1/K) In k Run 3 1/293.5 -5.37 Run 6 1/282 -5.62 Run 7 1/304 -5.044 Run 8 1/324 -4.02 20....
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