Assign this H NMR Normalized Intensity0.400.350.300.250.205$ 0.150.100.051.001.02 0.9882311OH100.971.003.106.29

Multiplicity of proton NMR is given by the formula n+1 where 'n' is the number of hydrogens on the…

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Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter3: Measurement And Chemical Calculations

Section: Chapter Questions

Problem 5E

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Suppose some measurements are made on two different homogeneous stones to find out if they are made of the same kind of rock. The mass and volume measurements are listed below. Are the two stones the same type of rock? Why or why not? Show all calculations. Mass Volume Calculations Stone 1 58.0 g 20.0 cm Stone 2 50.1 g 15.0 cm3 21/common/assets/pdfjs/1.0.0.30/web/viewer.ht...ndered-pdf&fullscreen=Dd21-fileviewer-rendered-pdf-dialog&height=746#0
As viewed from Earth, most stars appear to move across the sky each night because A stars orbit around Earth B Earth rotates on its axis C stars revolve around the center of the galaxy D Earth revolves around the sun
7.The word pour is commonly used in reference to liquids but not to solids or gases. Can you pour a solid or a gas? Why or why not? If either answer is yes, can you give an example?
Hexane (C6H14, density = 0.766 g/cm3), perfluoro-hexane (C6F14, density = 1.669 g/cm3), and water are immiscible liquids; that is, they do not dissolve in one another. You place 10 mL of each in a graduated cylinder, along with pieces of high-density polyethylene (HDPE, density = 0.97 g/cm3), polyvinyl chloride(PVC, density = 1.36 g/cm3), and Teflon (density = 2.3 g/cm3). None of these common plastics dissolves in these liquids. Describe what you expect to see.
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Part B: Heating Curve for Water Volume of water: 100 mL B1. Data table for heating curve for water Temperature Time Temperature (°C) Time Temperature (°C) Time (min) (min) (°C) (min) 21 95 1 12 13 2 26 13 98 34 14 98 4 42 15 99 5 16 qa SC 6. 17 99 67 7. 73 18 qa 8. 19 9. 20 10 93 21 B2. Graphing the heating curve for water 120 107 100 80 60 40 36 24 20 10 15 20 25 Time (Min) B3, Initial water temperature °C B4, Final water temperature °C B5. Temperature change (AT) °C B6. Volume of water mL Mass of water B7. Number of calories needed to boil water cal (Show your calculations) Q3. Use heating curve for water graph to answer the followings. (a) How long it takes for the temperature to rise to 65 °C? (b) What is the temperature of water after 8 minutes and 30 seconds? Temperature (°C)
density of irregular solid mass of irregular solid 8.299 g initial volume 48 mL final volume 55 mL total volume displaced 7 mL what is the density of irregulatr solid?
s/Interface/acellus engine.html?ClassID=14676880634 IS C₂H4 (g) + O₂(g) → CO₂(g) + H₂O(g) [g 17.11g 15.69 g 6.42 g According to the law of conservation of mass, what is the mass of ethene, C2H4, burns in this reaction? D Use the correct same precision for the missing value. (i.e. significant figures). International Academy of Science. All Rights Reserved. * G Enter A
Archimedes, a famous Greek scientist, was given a problem by King Hieron II of Syracuse (Sicily). The king suspected that his crown, which was supposed to be made of pure gold, contained some silver alloy, and he asked Archimedes to prove or disprove his suspicion. (It turned out that the crown did not contain silver.) How would you experimentally determined whether or not the crown was pure gold? (Hint: The method came to Archimedes when getting into a full bathtub. See the footnote in Experiment 22 for Archimedes’ solution.)
Heather has a beaker containing about 200 mL of clear liquid. At the bottom of the beaker she can see some delicate spiny white crystals. Heather asks her A the mixture." Heather chemistry teacher how she might separate the crystals from the liquid. The chemistry teacher says "I think you should says "But I don't know anything about B !" His teacher replies "Don't worry, I'll explain the method. First, you'll need some thick unbleached paper and a funnel..." What are the missing words A and B in this story? A = -0 B S

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Normalized Intensity 0.40 0.35 0.30 0.25 0.20 5 $ 0.15 0.10 0.05 1.00 1.02 0.98 8 2 3 11 OH 10 0.97 1.00 3.10 6.29