In going from room temperature (25 C) to 10 C above room temperature, the rate of...
Homework Answers
-Ea/R=ln(k2/k1)/(1/T2-1/T1)
k2/k1=2 since the rate doubles
Ea is activation energy
R = ideal gas constant, 8.3145 J/mol-K
T2=35C+273.15=308.15K
T1=25C+273.15=298.15K
Ea = 52949 J = 52.9 kJ
Add Answer to:
In going from room temperature (25 C) to 10 C above room temperature, the rate of...
In going from room temperature (25.0°C) to 20°C above room temperature, the rate of a reaction...
In going from room temperature (25.0°C) to 20°C above room temperature, the rate of a reaction quadruples (increases by a factor of 4). Calculate the activation energy for the reaction. The answer is 54.6 kJ/mol but this is not the answer I get
*A researcher raises the temperature from 60 to 77.9 o C and finds that the rate...
*A researcher raises the temperature from 60 to 77.9 o C and finds that the rate of the reaction doubles. What was the activation energy (in Joules) for this reaction? (R = 8.3145 J/molK) *A researcher raises the temperature from 85.8 to 102.7 o C and finds that the rate of the reaction doubles. What was the activation energy (in kJ) for this reaction? (R = 8.3145 J/molK)
Rate Determination and Activation Energy DATA TABLE Trial Temperature (°C) Rate constant, (S-1) 0.00157 24 0.007435...
Rate Determination and Activation Energy DATA TABLE Trial Temperature (°C) Rate constant, (S-1) 0.00157 24 0.007435 2 16 3 11 0.005563 4 1. Po above, using Temperce ahd. the rate сон dik, as they axis. 2. Determine the activation energy, Ea, by plotting the natural log of k vs. the reciprocal of absolute temperature. You can calculate 1/T (first convert T to K) and in k manually, or use Excel to do it. You will also need to make a...
An uncatalyzed reaction has a rate of 4.4 x 10-7 s–1 at room temperature (25 °C)....
An uncatalyzed reaction has a rate of 4.4 x 10-7 s–1 at room temperature (25 °C). When an enzyme is added the rate is 3.1 x 104 s–1. If the height of the activation barrier for the uncatalyzed rate is 28.6 kcal/mol, what is the height of the activation barrier for the catalyzed rate? Report your answer in terms of kcal/mol to the nearest tenths. Also, assume the pre-exponential terms for the uncatalyzed and catalyzed reactions are the same.
please help A researcher raises the temperature from 44.2 to 61.6°C and finds that the rate...
please help
A researcher raises the temperature from 44.2 to 61.6°C and finds that the rate of the reaction doubles. What was the activation energy in /mol) for this reaction? (R - 8.3145 /mol K) Imol
Chemists commonly use a rule of thumb that an increase of 10 K in temperature doubles...
Chemists commonly use a rule of thumb that an increase of 10 K in temperature doubles the rate of a reaction. What must the activation energy be for this statement to be true for a temperature increase from 25°C to 35°C?
If the rate constant k of a reaction doubles when the temperature increases from 111 °C...
If the rate constant k of a reaction doubles when the temperature increases from 111 °C to 289 °C, what is the activation energy of the reaction in units of kJ/mol? Do not enter units with your numerical answer. Do not use scientific notation.
Chemists commonly use a rule of thumb that an increase of 10 K in temperature doubles...
Chemists commonly use a rule of thumb that an increase of 10 K in temperature doubles the rate of a reaction. What must the activation energy be for this statement to be true for a temperature increase from 63 to 73 °C? Activation energy-J/mol 5 item attempts remaining
please help A researcher raises the temperature from 44.2 to 61.6 °C and finds that the...
please help
A researcher raises the temperature from 44.2 to 61.6 °C and finds that the rate of the reaction doubles. What was the activation energy in /mol) for this reaction? (R-8.3145 /mold mol
1. A researcher raises the temperature from 77.1 to 95.2 o C and finds that the...
1. A researcher raises the temperature from 77.1 to 95.2 o C and finds that the rate of the reaction doubles. What was the activation energy (in Joules) for this reaction? (R = 8.3145 J/molK). 2. The reaction A → B + C is zero order with respect to A. When [A]0 = 0.544 M, the reaction is 28 % complete at 91.5 min. Calculate the half-life for this reaction.
Rate Determination and Activation Energy DATA TABLE Trial Temperature (°C) Rate constant, (S-1) 0.00157 24 0.007435 2 16 3 11 0.005563 4 1. Po above, using Temperce ahd. the rate сон dik, as they axis. 2. Determine the activation energy, Ea, by plotting the natural log of k vs. the reciprocal of absolute temperature. You can calculate 1/T (first convert T to K) and in k manually, or use Excel to do it. You will also need to make a...
please help
A researcher raises the temperature from 44.2 to 61.6°C and finds that the rate of the reaction doubles. What was the activation energy in /mol) for this reaction? (R - 8.3145 /mol K) Imol
Chemists commonly use a rule of thumb that an increase of 10 K in temperature doubles the rate of a reaction. What must the activation energy be for this statement to be true for a temperature increase from 63 to 73 °C? Activation energy-J/mol 5 item attempts remaining
please help
A researcher raises the temperature from 44.2 to 61.6 °C and finds that the rate of the reaction doubles. What was the activation energy in /mol) for this reaction? (R-8.3145 /mold mol
Most questions answered within 3 hours.
-
You are a monopolist and know that your consumers have a linear
demand curve. At what...
asked 2 minutes ago -
Which of the following are true about the strength of the
association between two variables?
1-...
asked 3 minutes ago -
Raising a heavy load requires work. Raising it in half the time
requires:
asked 9 minutes ago -
Calculate the number of valence electrons for
[Mo(C6H6)(CO)3]
asked 7 minutes ago -
MGT-201: Marketing Management
Before deciding on the structure of the channel marketers must
take several factors...
asked 9 minutes ago -
1. ACLs allow a router to control traffic within a network. The
concept is very similar...
asked 10 minutes ago -
35. When the electron in a hydrogen atom falls from its first
excited energy level to...
asked 12 minutes ago -
A man is dragging a box of mass "m" by using a rope which rests
on...
asked 28 minutes ago -
Liquid octane
(CH3(CH2)6CH3) will
react with gaseous oxygen (O2) to produce gaseous carbon
dioxide (CO2) and...
asked 29 minutes ago -
For the reaction N2(g) +
O2(g) --> 2NO(g), if the initial
concentration of NO was 0.00M...
asked 33 minutes ago -
On a recent quiz, the class mean was 75 with a standard
deviation of 2.2. Calculate...
asked 49 minutes ago -
Discuss the Coefficient of Restitution in an elastic collision
compared to the Coefficient of Restitution in...
asked 53 minutes ago