chem1c-worksheet-kinetics-answer-key

linear regression

how do you divide the rate expression for Trial 2 by that for Trial 1 and simplify? How do you solve for a?

A Lineweaver-Burk curve for an enzyme that follows Michaelis-Menten kinetics whose KM is 8.2 mM has a y-intercept of 7 min/mM? What is the slope of the curve? Indicate your answer with two decimal points. Do not include units. Answer:

За. Bromine and methanoic acid react in aqueous solution. Br, (aq) + HCO0Н (ад) — 2Br (aq) + 2H" (аq) + Со, (g) The reaction was monitored by measuring the volume of carbon dioxide produced as time progressed. o 5 10 15 20 25 [Source: © International Baccalaureate Organization 2019] 30 20 40 60 80 100 120 140 160 Time / s [Source: © International Baccalaureate Organization 2019] Determine from the graph the rate of reaction at 20 s, in cm³ s1, showing your working. 3b. Outline, with a reason, another property that could be monitored to measure the rate of this reaction. 3c. Describe one systematic error associated with the use of the gas syringe, and how the error affects the calculated rate. 3d. Identify one error associated with the use of an accurate stopwatch. Volume of carbon dioxide / cm T m mm mo

For the following organic reaction identify the mystery reactant R, its stoichiometric coefficient N, and any other substance X that must be present. CH3 CH₂ =C-C-CH=CH₂ || CH₂ Chemical formula of R: Stoichiometric coefficient N: + NR Must any other substance X be present? X CH3 | CH3 CH–CH–CH2–CH3 T CH3 If you said an additional substance X must be present, enter its chemical symbol or formula: 0 yes no 90 X 5

1-arr In a study of the gas phase decomposition of phosphine at 120 °C PH3(g)- →1/4 P4(g) + 3/2 H2(g) the concentration of PH3 was followed as a function of time. It was found that a graph of In[PH3] versus time in seconds gave a straight line with a slope of -2.50×10² s1 and a y-intercept of -3.24. Based on this plot, the reaction i v O order in PH, and the half life for the reaction is seconds. zero first second

CHEM 330 Conferences 2. For the reaction: a) HBr(g) = H2(g) + Br2(g) HBr 1/2 (H₂)2 (Br₂)" HBr (H₂Br₂) ¹/2 b) 2HBr(g) H2(g) + Br2(g) boefficient H2(g) + Br2(g) theachartseefficient 2HBr(g) Kp = 3.5 x 104 at 1495 K. What is the value of Kp for the following reactions at 1495 K? c) H2(g) + Br2(g) = HBr(g) Kp = (Product) foe 5: Equilibrium HBr √ H₂ Br₂

We are stuck on 9.  We get how Q is 16 and rxn goes left.   at eq 2+ x.    2 + x.    -2 x We get x= 1.    Therefore  k = 4.  Please help us.   Questin 9.  See conditions from 8 This is not a graded question as it is a practice question . I am 60 years old and helping my son prepare for the AP exam in a few months. We do questions at the back of the textbook by Zumdahl and Zumdahl

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☐ 5:41 PM Sat Jun 29 kennesaw.view.usg.edu Name: Lab Section (Day & Time): 3361L Molecular Modeling and Stereochemistry Worksheet CHEM Ground Rules: 1. You are required to build models for various tasks presented in this exercise. Molecular modeling programs are not a substitute for 3-D hand-held molecular models. 2. You will be prompted to include a snapshot of your model with each task at the end of this worksheet. Read the question carefully to construct and orient the models appropriately. Use your smartphone to take a picture of the model you build, and insert it at the end of the handout with corresponding prompts. You will not get any credit for this assignment without correct snapshots of the models you build. 3. Hand-write your responses for each task and insert the snapshots for various models at the end of this docuent. Save the entire assignment as a single PDF. A consolidated PDF of the completed assignment (including relevant snapshots of your models should be submitted…

The following data was collected for the reaction between ethoxide and methyl iodide T(°C) Rate (1/s) T (K) 1/T (1/K) In (rate) 168 273.15 0.00366 5.12 6 354 279.15 0.00358 5.87 12 735 285.15 0.00351 6.60 18 1463 291.15 0.00343 7.29 24 3010 297.15 0.00337 8.01 30 6250 303.15 0.00330 8.74 A plot of In (rate) vs. 1/T using the above table was made and is shown below, and a linear regression line fitted to the data. Using the provided graph, estimate the activation energy (kJ/mol) of the reaction between ethoxide and methyl iodide. Enter your number using 2 decimal places without unit. Gas constant is R = 8.3144598 J. mol 1. K-1. In(k) vs 1/T 9.30 8.80 8.30 7.80 y = -9930.5x + 41.445 R² = 0.9992 2 7.30 6.80 6.30 5.80 5.30 4.80 0.00325 0.00330 0.00335 0.00340 0.00345 0.00350 0.00355 0.00360 0.00365 0.00370 1/T (1/K) Ln(k)

Reaction Cone, Nayd 0 Cine. HCI 4Als. AIme (3) 0.10 M I1.3085840 • 30M 0.4563164 |0.028 F0913 115 M 12267196|0.01870913 30M |1.5360817 O.300349 65.56796607 5. 11431671 0.10 M 3 d.050 M 4 0.025 M 0:30M 1.3686611 1.007568 1,358380874 2. Compare the rates of reactions 1 and 2. What is effect on the reaction rate of halving the acid concentration? What is the order of the reaction in hydrochloric acid?

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Assessment-Chem 18-Gen (X 80 $ 54 R UCI General Chemistry Peer Tu X 65.2% Use the molar bond enthalpy data in the table to estimate the value of AHin for the equation CCI, (g) + 2 F₂ (g) →→→ CF₂(g) + 2Cl₂(g) The bonding in the molecules is shown. ΔΗ; = 888 F4 ++++ % 5 FS F-F A 6 New Tab MacBook Air ܀ T Y F6 & 7 CICI CI-CI A4 F7 * 8 ∞ Resources Average molar bond enthalpics. (Hond) kJ. mol Bond 464 C=N 142 N-H 351 N-N 502 N=N 730 N=N 347 F-F 615 811 414 439 331 276 293 615 Bond O-H 0-0 C-0 0=0 C=0 C-C C=C C=C C-H C-F C-CI C-Br C-N C=N DII FB 69 DD F9 kJ Question Source: McQuarrie, Rock, And Gallogly 4e-General Chemistry Publisher: University Science Books 1 0 ) CI-CI Br-Br H-H H-F H-CI H-Br H-S S-S 0 A F10 I' Check Answer P kJ. mol-1 890 390 159 418 945 155 243 192 435 565 431 368 364 225 3 F11 0 + Show All 411) F12 X }

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X The Scopes Tral Activity PowerSchool Leaming :BiokogyX P-3-Energy Anlsysis-3-9-21.docx X ps://epsnj-my.sharepoint.com/:w:/g/personal/randlema_epsnj_org/EWOkzw9XrFxJtNBC4jm. Q Saved O Search (Alt + Q) References Review View Help O Editing v TJ AT RD v11 A A A !! AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc x, x Aa eA EE E T Normal No Spacing Heading 1 Heading 2 Heading 3 Font Paragraph Styles Look at the picture and explain in detail the biological process being represent. CH2OH CH2OH CH,OH CH2OH он он OH H. OH OH + H,O > OH OH HO, но но но OH OH OH OH OH

ENZYME CATALYSIS-lab ENZYME CONCENTRATION What chemical reaction is being catalyzed in the experiment? Label the substrate(s), enzyme, and product(s).

What is m and n

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12:50 ← d2fcc1b0-17ba-42ff-a... 15/24 SCIENCE (086) 9 જે SCIENCE 224 Science Project Create a comprehensive and informative project on ' Natural resources' in the form of an artistically crafted, decorated project file Include pictures, illustrations,examples, surveys, advertisements, newspaper cuttings and headings etc in your project to make your project appealing, relevant, easy to understand and memorable Keypoints . Introduction to Natural Resources • Air pollution and its causes Water pollution and its causes Soil pollution and its causes . Biogeochemical Cycles 1. Oxygen Cycle 2. Carbon Cycle 3. Nitrogen Cycle 4. Water Cycle Rain and effect of acid rain . Green-house Effect Ozone Layer and reason for ozone depletion Assignment Sheet 1.Look at Fig. 1.1 and suggest in which of the vessels A,B, C or D the rate of evaporation will be the highest? Explain. PDF to Long Images PDF to Images =

You continue with the Arrhenius Plot with the slope of the curve to be approximately -12,500 K and the Arrhenius factor of 4.367 E10 hours^-1. What is the shelf life of the drug at 22 C? What is the shelf life at 4 C? Did your coworker achieve a century shelf life in either storage condition? Be sure to show your calculations. Arrhenius Plot In (k) -8 -10 -12 -14 -16 -18 0.0026 0.0028 0.0030 1/T 0.0032 0.003

MyCSU-Columbus State Univers X M Inbox (1) - bailes_amber@colum X D2L Quiz 1- Intro Resrch Meth in CJ K ← → CO 03 Email MGmail X A ALEKS-Amber Bailes - Learn X + www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IJgXZp57itWHhRgilODc5MqvhZbKYx2-U-03700TYd4ABbH6KAJLiK5JfbHdk1X12WQ... LE YouTube Maps MyCSU-Columbus... B Homepage - Georg... Microsoft Office Ho... BLesson 2 Discussion... III MyMidland Mortga... CHEMICAL REACTIONS Solving for a reactant using a chemical equation 3/5 Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction in which water (H₂O) and carbon dioxide (CO₂) chemically react to form the simple sugar glucose (C6H₁2O6) and oxygen gas (0₂). 12 What mass of carbon dioxide is consumed by the reaction of 3.6 g of water? Be sure your answer has the correct number of significant digits. g x10 Ś ? Explanation Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Ce 78°F O Et C ||| Check Type here to search X a no…

Kinetics of polyphenoloxidase enzyme was measured and the following data were obtained. If the enzyme concentration is maintained constant at a level of 1 μM plot Lineweaver-Burke plot determine Vmax and Km for this enzyme.

The reaction 5 Br- (aq) + BrO3 (aq) + 6H+ (aq) ЗBr2 (1) + ЗН20 (1) is expected to obey the mechanism BrO3 (aq) + H* (aq) HBRO3 (ag) + H+ - HBRO3 (aq) - H2BRO3+ (aq) Fast Fast (aд) + H2BrO3™ (aq) + Br (aq) (Br-BrO2) (aq) + H2O (I) Slow (Br-BrO2) (aq) + 4H+ (aq) + 4Br" (aq) 3Br2 (1) + 3H20 (I) Fast Write the rate law.

Rate law experiments don’t always give data in the form of a rate in molesper second. Some of them give an amount of time necessary for areaction to proceed to a given point. The faster the rate, the less timenecessary. For the following data, assume that the time recorded for eachexperiment is the time required to consume 0.10 M of A in a hypotheticalreaction  A + B   yields C Time taken (s)  [A]0 [B]0 36.8 0.20 0.40 25.0 0.20 0.60 10.0 0.50   0.60 Determine the rate law and the rate constant for the reaction