Lecture 3. Intermolecular interactions. What sort of changes are related with monomolecular reactions? Under what conditions...
- Lecture 3. Intermolecular interactions.
- What sort of changes are related with monomolecular reactions?
- Under what conditions can a bimolecular reaction become a first order reaction?
- What is activation energy of a chemical reaction?
- What is reflected by the factor A in the Arrhenius equation?
- What are the possible causes of kinks in the Arrhenius plot?
- How does Arrhenius plot look like and what parameters are used for its expression?
- What is the van’t Hoff factor? What are its values for different processes?
Homework Answers
2 . Bimolecular reaction becomes a first order reaction when one of the reactant is taken in excess. Such that it's concentration becomes constant and it doesn't effect the rate of the reaction.
3. Activation energy is the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
4. The pre-exponential factor (A) is part of the Arrhenius equation. The pre-exponential factor is also known as the frequency factor, and represents the frequency of collisions between reactant molecules.
5. Arrhenius plot is a straight line with a negative slop. In chemical kinetics, an Arrhenius plot displays the logarithm of a reaction rate constant, ( , ordinate axis) plotted against inverse temperature ( , abscissa). Arrhenius plots are often used to analyze the effect of temperature on the rates of chemical reactions.
6. van 't Hoff factor.The van 't Hoff factor is the ratio between the actual concentration of particles produced when the substance is dissolved and the concentration of a substance as calculated from its mass. For most non-electrolytes dissolved in water, the van 't Hoff factor is essentially 1. In case of electrolytes it's value is less than one in case of association and greater than one in case of dissociation
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Lecture 3. Intermolecular interactions.
What sort of changes are related with monomolecular
reactions?
Under what conditions...
3. The chlorine monoxide (CIO) demonstrated three bimolecular self-reactions CIO(g) - CIO(g) → Ch(9) O(g) CIO(g)...
3. The chlorine monoxide (CIO) demonstrated three bimolecular self-reactions CIO(g) - CIO(g) → Ch(9) O(g) CIO(g) CIO(g) → C (9) + CIOO(g) CIO(g) + CIO(g) > Cl(g) Ocio(9) The following table provides the Arrhenius parameters for these reaction Reaction Pre-Exponential Factor (M's!) Activation Energy (kJ mol') 6.08 x 108 114 178 x 1010 20.4 2.11 x 102 132 Which of the following is TRUE about of enthalpy activation Hand entropy of activation AS: A) in reaction the enthalpy of activation...
_1. An alkyl halide which might be expected to undergo rearrangement under Snl or E1 conditions...
_1. An alkyl halide which might be expected to undergo rearrangement under Snl or E1 conditions is: HZC Br CH3 A. 1 B. | F—CH,BH C. CH3-C-CH-CH, CHz CH3 D. CH3 CH3-C-CH2CH2-Br CH3 E. A Br 2. Your task is to convert 2-chloropentane into 1-pentene. Which reagents would you choose? a) NaOH/H20 b) KOH/CH3OH c) CH3ONa/CH3OH d) CH3CH2ONa/CH3CH2OH e) (CH3)3COK/(CH3)3COH 3. Circle the reaction below which is faster in polar protic solvents. OH,H,O A. CH,CH,CH,Br- CH,CH,CH,OH + Br or SH.RSH...
JAVA 3 LECTURE REVIEW PLEASE NEED ANSWERS ASAP. DUE IN AN HOUR!!! Question 12 points The...
JAVA 3 LECTURE REVIEW PLEASE NEED ANSWERS ASAP. DUE IN AN HOUR!!! Question 12 points The best-case performance for a shell sort is: --- O(1) O(n2) O(n) O(n log n) Signaler cette question Question 22 points The best-case performance for an array of n items using insertion sort is: --- O(n2) O(n) O(1) there is no best-case Signaler cette question Question 3 2 points A recursive method that processes a chain of linked nodes --- uses the first node in...
1. (3 points) Complete each of the following reactions. a. 0Fe decays through negatron emission, what...
1. (3 points) Complete each of the following reactions. a. 0Fe decays through negatron emission, what is the resulting nuclide? b. Positron emission of 3015P produces what nuclide? 2a c. 15W + 2. (3 points) Predict the decay for each of the radioactive isotopes below AND determine the resulting nuclide after the decay. a. 502V b. 2410Ne c. 210sPo 3. (1 points) The half-life for "0K is 1.3 x 10° years. What percent of the original remains after 6.5 x...
rates of chemical reactions Plz help!! how do I find specific rate constant k, 1/T, In...
rates of chemical reactions
Plz help!! how do I find specific rate constant k, 1/T, In
K
thank you
Rates of Chemical Reactions: Report Form Rate Law Summary: (a) From your measurements, what are the reaction orders with respect to each of the three reactants H;O; HOO (b) What is the rate expression (rate law) for the uncatalyzed reaction? Rate = K LT-] [H202) (c) What is the total reaction order? 2 3. Effect of Temperature on the Reaction Rate...
2. hypothesize the best conditions (pH and temperature) under which the enzyme chymotrypsin functions with an...
2. hypothesize the best conditions (pH and temperature) under
which the enzyme chymotrypsin functions with an appropriate
reference. also, hypothesize what will occur in the presence of an
inhibitor and the type of inhibition.
EXPERIMENT 5: ENZYME ACTIVITY WITH a-CHYMOTRYPSIN Prelab Assignment 1. Prepare a flow chart, covering one half of the experimental work (either part A and C if your lab bench is on the window side of the lab or part B and D if your locker is...
the two photos above are information need so solve the question below Practice 08: Reactions With...
the two photos above are information need so solve the
question below
Practice 08: Reactions With Multiple Pathways Key In the presence of O ferrous ion, Fe is oxidized to ferrie lon, Fet. The rate law for this reaction depends on the pH, following one rate law when the pH is greater than 3.6 and a different rate law when the pH IN below 3.5. Part 1: pH > 3.5 The following initial rates (defined is greater than 3.5. ***/dt)...
will work with up to 3 partners (similar to a lab group) to prepare a written report which analyzes kinetic data that has been provided to you. All student groups will receive data for the hy...
will work with up to 3 partners (similar to a lab group) to prepare a written report which analyzes kinetic data that has been provided to you. All student groups will receive data for the hypothetical reaction aAlE) products where a is a numeric variable and A is a chemical variable. The reaction therefore has the form of a decomposition reaction, in which a single substance forms one or more new substances. For consistency, all concentrations start out at 1.000...
just one example/demonstration! Data needed to be calculated is in highlighted in green boxes. And I...
just one example/demonstration!
Data needed to be calculated is in highlighted in green boxes.
And I highlighted in red an equation (not sure if thats what you
use to calculate it) And ignore the lab instructions on completeing
a graph!! I already know how to do that in excel, just curious how
Ln (relative rate) and 1/T in K^-1 is calculated by hand*
here is the rest of that lab leading up to the question as I
know its typically...
1. According to the paper, what does lactate dehydrogenase (LDH) do and what does it allow...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
3. The chlorine monoxide (CIO) demonstrated three bimolecular self-reactions CIO(g) - CIO(g) → Ch(9) O(g) CIO(g) CIO(g) → C (9) + CIOO(g) CIO(g) + CIO(g) > Cl(g) Ocio(9) The following table provides the Arrhenius parameters for these reaction Reaction Pre-Exponential Factor (M's!) Activation Energy (kJ mol') 6.08 x 108 114 178 x 1010 20.4 2.11 x 102 132 Which of the following is TRUE about of enthalpy activation Hand entropy of activation AS: A) in reaction the enthalpy of activation...
_1. An alkyl halide which might be expected to undergo rearrangement under Snl or E1 conditions is: HZC Br CH3 A. 1 B. | F—CH,BH C. CH3-C-CH-CH, CHz CH3 D. CH3 CH3-C-CH2CH2-Br CH3 E. A Br 2. Your task is to convert 2-chloropentane into 1-pentene. Which reagents would you choose? a) NaOH/H20 b) KOH/CH3OH c) CH3ONa/CH3OH d) CH3CH2ONa/CH3CH2OH e) (CH3)3COK/(CH3)3COH 3. Circle the reaction below which is faster in polar protic solvents. OH,H,O A. CH,CH,CH,Br- CH,CH,CH,OH + Br or SH.RSH...
1. (3 points) Complete each of the following reactions. a. 0Fe decays through negatron emission, what is the resulting nuclide? b. Positron emission of 3015P produces what nuclide? 2a c. 15W + 2. (3 points) Predict the decay for each of the radioactive isotopes below AND determine the resulting nuclide after the decay. a. 502V b. 2410Ne c. 210sPo 3. (1 points) The half-life for "0K is 1.3 x 10° years. What percent of the original remains after 6.5 x...
rates of chemical reactions
Plz help!! how do I find specific rate constant k, 1/T, In
K
thank you
Rates of Chemical Reactions: Report Form Rate Law Summary: (a) From your measurements, what are the reaction orders with respect to each of the three reactants H;O; HOO (b) What is the rate expression (rate law) for the uncatalyzed reaction? Rate = K LT-] [H202) (c) What is the total reaction order? 2 3. Effect of Temperature on the Reaction Rate...
2. hypothesize the best conditions (pH and temperature) under
which the enzyme chymotrypsin functions with an appropriate
reference. also, hypothesize what will occur in the presence of an
inhibitor and the type of inhibition.
EXPERIMENT 5: ENZYME ACTIVITY WITH a-CHYMOTRYPSIN Prelab Assignment 1. Prepare a flow chart, covering one half of the experimental work (either part A and C if your lab bench is on the window side of the lab or part B and D if your locker is...
the two photos above are information need so solve the
question below
Practice 08: Reactions With Multiple Pathways Key In the presence of O ferrous ion, Fe is oxidized to ferrie lon, Fet. The rate law for this reaction depends on the pH, following one rate law when the pH is greater than 3.6 and a different rate law when the pH IN below 3.5. Part 1: pH > 3.5 The following initial rates (defined is greater than 3.5. ***/dt)...
will work with up to 3 partners (similar to a lab group) to prepare a written report which analyzes kinetic data that has been provided to you. All student groups will receive data for the hypothetical reaction aAlE) products where a is a numeric variable and A is a chemical variable. The reaction therefore has the form of a decomposition reaction, in which a single substance forms one or more new substances. For consistency, all concentrations start out at 1.000...
just one example/demonstration!
Data needed to be calculated is in highlighted in green boxes.
And I highlighted in red an equation (not sure if thats what you
use to calculate it) And ignore the lab instructions on completeing
a graph!! I already know how to do that in excel, just curious how
Ln (relative rate) and 1/T in K^-1 is calculated by hand*
here is the rest of that lab leading up to the question as I
know its typically...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
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