ch08 exercise

Interconverting calories and joules 0/5 Complete the following table. Round each of your answers to 3 significant digits. energy content when eaten food x10 cal kcal kJ 5 an ounce of breakfast corn flakes 1.10 X 10 a kiwi fruit 45.0 a slice of cooked bacon 151. Explanation Check 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibility Sha IMG-4405.jpg IMG-4404jpg image_50376449.JPG image_50371073.JPG: image 50353665.JPG MacВook Air DII 80 esc F7 F8 F9 F10 F11 F2 F3 F4 F5 F6 F1 ! 23 & 1 2 3 4 7 8 %24 II

101819 v2 Layout References Mailings Review View EndNete X9 Updates Available Do you want to restart to ira uodates now or try tonic ah Next Footnote APA Update Tabla Insart ndnote Smart Resaarcher Leokup Citations blegrachy Show Notes insert Citation insart Tabie tn Cress-reerence Intert Mark Caption of Flgures Entry Update Apple ID Settings Some account services witno available untl you sign in gm Name: Shania Noel Recitation: Isoamyl Acetate (Exp 7) 1. The yield of the reaction shown to the right was low as a result of hydrolysis by water that was produced in the reaction. Suggest an alteration that could increase the yield of this reaction. Assume that equal amounts of reactants Н н +H-C-OH ОН н н Н н Formic Acid Methanol Methyl Formate Water were used. Compound Boiling Point Compound Beling Point Foemic Acid 100.8C Methyl Formate 32 "C Methanol 64.7C Water 100"C 2. The presence of water can result in hydrolysis of the product ester, lowering your yield. In the space below draw the…

Success Confirmation of Questio X → C C D RC Email VConnect ✪ ← + New ♥ ✩ B ☆ IMG_1333.heic My Drive Computers drive.google.com/drive/u/0/recent?lfhs=2 VConnect Search List ➡ Screening Appoint... ✪ Opportunity Queue Shared with me Recent Starred Trash Storage 27.98 GB of 100 GB used New Tab Buy storage a Search in Drive - Recent - Google Drive A. 13 Before you answer this question, please read the following important principle: H₂C=CHCH₂CH₂CH₂ D. CH₂ If a carbocation is formed in the slow step of a reaction, the reactivity of the reactant will be greater if that carbocation is more stable. The question: Which of the following alkenes reacts fastest with HCI? CH₂CH₂ H H RC RRL Google My Drive > IMG_1333.heic Open with O B. H₂C- CH₂ Google Docs in Elms College -C-CH=CH₂ H + N C. H₂C H an H 0 32 CH₂CH₂ O Ⓒ US : 0 |+ IMG_1344.heic Dec 16 19 ex 1:20 → → ↓ : **** ⠀ +

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Substance Elements Aluminum, A1(s) Copper, Cu(s) Gold, Au(s) Iron, Fe(s) Silver, Ag(s) Solid (at 25 °C) Cork Wood (maple) Ice (at 0 °C) Sugar Bone Salt (NaC1) Aluminum Part A Submit Part B Request Answer Submit cal/(g.˚C) 0.214 0.0920 0.0308 0.108 Request Answer 0.0562 wwwwww Calculate the energy needed to heat the cube of silver, with a volume of 14.0 cm³, from 12 °C to 26 °C. Refer to the tables. Express the heat in calories to two significant figures. ΠΠ ΑΣΦ ? H ? J/(g. °C) cal 0.897 0.385 0.129 Density (g/mL) 0.26 0.75 0.92 1.59 1.80 2.16 2.70 0.452 0.235 cal Calculate the energy needed to heat the cube of copper, with a volume of 14.0 cm³, from 12 °C to 26 °C. Refer to the tables. Express the heat in calories to two significant figures. VE ΑΣΦ Substance Compound Ammonia, NH3 (g) Ethanol, C₂H5 OH(1) Sodium chloride, NaCl(s) Water, H₂O (1) Water, H₂O(s) Solid (at 25°C) Diamond Iron Copper Silver Lead Gold cal/(g. °C) 0.488 0.588 0.207 1.00 0.485 Density (g/mL) 3.52 7.86 8.92 10.5…

Chrome File Edit View History Bookmarks Profiles Tab Window Help Sun Sep 26 2:52 PM MyLab and Mastering Course Home b Answered: A 143-g sample of s x + openvellum.ecollege.com/course.html?courseld=16846218&OpenVellumHMAC=3fcb204e9ab8a82024e95174780e08a6#10001 L Course Home Problem 3.102 - Enhanced - with Feedback 2 of 12 > Syllabus I Review | Constants | Periodic Table Scores You may want to reference (Pages 80 - 87) Sections 3.6-3.7 while completing this problem. eТext Document Sharing A 143-g sample of steam at 100 °C is emitted from a volcano. It condenses, cools, and falls as snow at 0°C. (For water, 80. cal (334 J) is needed to melt 1 g of ice or must be removed to freeze 1 g of water and 540 cal (2260 J) is needed to convert 1 g of water to vapor at 100 °C.) User Settings Course Tools > Part A How many kilojoules of heat were released? Express your answer with the appropriate units. ? Heat = 370.6 kJ Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts…

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Please correct answer and don't use hand rating

Hello I have asked this question like 3 times and keep getting difference answers can someone check my work please 2 b and C I am really struggling on please help.

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A chemist fills a reaction vessel with 3.61 atm nitrogen (N,) gas, 8.64 atm oxygen (0,) gas, and 6.55 atm nitrogen monoxide (NO) gas at a temperature of 25.0° C. Under these conditions, calculate the reaction free energy AG for the following chemical reaction: N,(g) + O,(g) = 2NO (g) Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule. do Data HNO3 (1) -174.1 HNO3 (g) -133.9 Oxygen OH (aq) H20 (1) -285.8 H20 (g) -241.8 02 (9) H202 (1) -187.8 H202 (9) -136.3 Phosphorus Explanation Check P4 (s) 2021 McC

O : Q 8 File Edit View History Bookmarks Profiles Tab Window Help O Psychology Research Sign-Up x WPAL 101 233 Spring 202 ALEKS A ALEKS - Reyna Garcia Watch Gilmore Girls | Netflix A www-awu.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-lvdWKW_BBZZ16tTytly4Fcfu6zOtOf8oMM9smRgOXk4zql8rHN-B4Sv7Er8YkAkkZH6IMU... O * G Spotify Web Playe. M Common Ethical D. O CHEMICAL REACTIONS 0/5 Solving moles-to-moles limiting reactant problems Nitrogen dioxide (NO2) gas and liquid water (H,O) react to form aqueous nitric acid (HNO,) and nitrogen monoxide (NO)gas. Suppose you have 2.0 mol of NO, and 5.0 mol of H,O in a reactor. Calculate the largest amount of HNO, that could be produced. Round your answer to the nearest 0.1 mol. | mol Explanation Check OU Rinhts Reserved. Terms of Use I Privacy Center Accessib

MEASUREMENT Interconverting derived Sl units A NASA spacecraft measures the rate R at which atmospheric pressure on Mars decreases with altitude. The result at a certain altitude is: R=0.0335 kPa km Convert R to kJ m 4. k kJ m Explanation 4 -1 Check . 0 x10 X Ś MA JUL 20 m tv ♫ ← Q 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use NA 4 3/5 A

For the reaction Fe,O3(s) + 3H2(g)-2Fe(s) + 3H,O(g) AH° = 98.8 kJ and AS° = 143 J/K К. AG° for this reaction would be negative at temperatures (above, below) Enter above or below in the first box and enter the temperature in the second box. Assume that AH° and AS° are constant. Submit Answer Try Another Version 5 item attempts remaining

For this question: How SPF blocks UV Rays from the sun Please try to answer it in a presentation way (provide slides) & please write in detail each slide and explain them 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

please solve part a and b explaining why is it that way. show your work on a piece of paper please.

Given the returns and probabilities for the three possible states listed below, calculate the covariance between the returns of Stock A and Stock B. For convenience, assume that the expected returns of Stock A and Stock B are 9.05 percent and 13.20 percent, respectively. (Round answer to 4 decimal places, e.g. 0.0768.) Return on Stock Return on Stock Probability A B Good 0.25 0.30 0.50 OK 0.58 0.10 0.10 Poor 0.17 -0.25 -0.30

How do I do this, I have so many problems that need me to do this and I don't get it.

The following arrows are incorrectly drawn and I drawn them correctly please check if it's right and write a little explanation how it's right

Part A incorrect you filled in 4 of 5 blanks incorrectly

Need help with part b please

Which system does more work? AE = -507 J, q = 388 J AE = 496 J, q = 522 J Submit Answer Try Another Version 10 item attempts remaining

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