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PAP Chemistry-2903012-42100P-1 / Gases / Lesson 148 Aguilar All changes saved 25. The kinetic molecular theory says that collisions between particles are elastic, but real-world collisions do not follow this assumption. What is some of the kinetic energy changed into after a collision? O heat O light O potential energy O chemical energy SAVE & EXIT SUBMIT ALL ANSWERS PREVIOUS 25 of 25 96

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Products purchased from grocery stores are dated and need to be used within a certain amount of time. This is to protect consumers from the effects of food spoilage. Which process helps to slow the spoilage of food products?

rsity o... ingsbo... kboard... ARED4 ethod? 7... F2 Remaining Time: 1 hour, 22 minutes, 23 seconds. Question Completion Status: A Moving to the next question prevents changes to this answer. Question 1 # The angle of the water molecule (H₂O) is 180 degrees 120 degrees 100 degrees 90 degrees 109 degree A Moving to the next question prevents changes to this answer. MAR 14 80 F3 SA $ 000 F4 tv % F5 NA MacBook Air 22 F6 ∞r F7 45.113

Answer question 21 and 22 short answers

30- 25 22.285 20 atm 15. 10- 50 100 150 200 250 300 seconds created x10 Is BF, being created or destroyed by the chemical 3 destroyed reaction? neither created nor destroyed is being created or destroyed, what is the rate at If BF3 which it is being created or destroyed 80 seconds after the reaction starts? Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol. If BF, is being created or destroyed, what is the 3 average rate at which it is being created or destroyed during the first 80 seconds of the reaction? Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol.

Part A Consider the equation for the decomposition of SO2 Cl2, SO2Cl2 (g) → SO2 (g) + Cl2 (g) Use the graph and the best fitting line to predict the concentration of SO2 Cl2 at 1700 s. The graph of In SO2 Cl2] versus time is Express your answer to two significant figures and include the appropriate units. -2.3 Slope y-intercept HẢ ? -2.4 y = -0.000290t - 2.30 -2.5 Value Units -2.6- -2.7 Submit Request Answer -2.8+ 500 1000 1500 2000 Time (s) Provide Feedback In [SO,Cl2]

100% Correct A typical person has an average heart rate of 69.0 beats/min. Calculate the given questions. How many beats does she have in 7.0 years? How many beats in 7.00 years? And finally, how many beats in 7.000 years? Pay close attention to significant figures in this question. 47.5% In Progress 100% 7.0 years: beats Correct 60% beats In Progress 7.00 years: 0% beats 7.000 years: 100% Correct Question Credit: OpenStax College Physics 97.5% Correct 100% Correct on 100% Correct

Enzyme activity (Effect of temperature) Research Question How does temperature affect the activity of the enzyme catalase? Hypothesis The higher temperature would increase Catalase activity, leading to a faster reaction. Temp (degrees Trial! 4 5.85 3.06 10 22 Ho Results Time to float disc 65t 4.00 1/29/24 Mini Lab #1 10.49 9.43 Trial a 5.70 2.86 5.26 7.86 11.36 Average 5.775 2.96 4.63 9.175 10.395 Rate Class average

Answer both questions at bottom

Consider the following reaction: H2(g) + Cl2(g) 2 2 HCI(g) AH = -184.6 kJ The following graph represents a stress imposed on the system after equilibrium is initially established. HCL Cl2 He 60 50 40 30 20 10 + + 10 20 30 40 Concentration (mol/L)

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Please show the steps to find "k" in Red.

Name (please print): Fall 2022 Basic Laboratory Operations Post Lab Questions 1.) Suppose you're attempting to measure the density of a liquid that is highly volatile (it evaporates quickly). If you first measure the mass and then several minutes later you measure the volume of the liquid will the measured density be higher than the true value, lower than the true value, or the true density of the liquid. [It helps to understand this problem with the density equation.] 2.) Suppose you're attempting to measure the density of a liquid that is highly volatile (it evaporates quickly). If you first measure the volume and then several minutes later you measure the mass of the liquid will the measured density be higher than the true value, lower than the true value, or the true density of the liquid. [It helps to understand this problem with the density equation.] 3.) You're attempting to calculate the density of an alloy. The alloy is in the shape of a cylinder. If the mass of the alloy is…

Consider the equation for the decomposition of SO2C22, SO2Cl2 (g) → S02(g) + Cl2 (g) The graph of In SO2 Cl2] versus time is -2.3- Slope y-intercept -2.4 y -0.000290t 2.30 -2.5 -2.6- -2.7 -2.8+ 0. 500 1000 1500 2000 Time (s) You may want to reference (Page) Section 14.4 while completing this problem. In [SO,Cl]

Which energy levels precede and succeed 4s ?

For A⟶products, time and concentration data were collected and plotted as shown. [?] (?) t (s) 0.6000.600 00.000.0 0.4840.484 30.030.0 0.4050.405 60.060.0 0.3490.349 90.090.0 order =    k =    units =

"71 36 K/s ill.l O 10:01 يستخدم التطبيق المیکروفون Me et من 6 / What are the goals of adding vinegar to milk 2/ What are the results of adding vinegar to milk 3 / What is the benefit of adding vinegar to milk 10:01 زهراء 21.03.17 الساعة ص 10:01

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so that means route a is preferrable in a small lab and route b is preferred in a chemical plant?

The Ksp of Fe(OH)3(s) is 3  ×10-39.  What concentration of Fe3+ can exist in pure water? A. 3  ×10-4 M B. 1 ×10-10 M C. 3  ×10-21 M D. 3  × 10-24 M E. 3  × 10-30 M

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For this question: How SPF blocks UV Rays from the sun Please try to answer it in a presentation way (provide slides & pictures) & please write in detail each slide and explain them Provides notes to write on index cards please DON'T FOGET: first slide should outline (summarize) the whole presentation and the last slide should have the bibliography please please try to answer everything as fast as possible please its super super important and urgent i really need it Please please please answer I really need you to answer this please I'm begging Just try your best to answer please

Activity 3 Evidences of Chemical Change Objective: Identify signs that chemical changes are taking place. Write down the evidences which prove that the chemical change occurs in each process. You can use Google or YouTube to search for the possible results of the given chemical system. Chemical System 1. Decaying of food. Evidence of Chemical Change 2. A silver spoon tarnishes. 3. An iron nail rusts. 4. Cooking of adobo. 5. Lithium in cell phone battery 6. Coconut water turning sour. 7. Pineapple juice ferments. 8. Ripening of green mango. 9. Liquid milk is added to vinegar in a glass. 10.A firecracker explodes. 7

Show ALL your steps, work and details in your calculations, use GRASPS: Given, Required, Analysis, Solution, and Paraphrase to answer the question, it is required. Answer in complete sentences and therefore statements.