1:35 Sun, 16 June bIII=University ofSouth AustraliaSP2 2024Chemistry 100Week 11 (20/5 - 24/5)The correct answer is:45.0DashboardWeek 12 (27/5 - 1/6)Course OutlineWeek 13 (3/6 - 7/6)Question 7IncorrectContentIntegrityAcademicOnline QuizzesPractice Quiz (updatedwith correct dates for2024)Online Quiz 1Mark 0.00 outof 1.00Remove flaga.CuO xb. CuCl₂C. NaBrKOnline Quiz 2AssessmentOnline quiz 3GradesOnline quiz 410?་ྗ$དཱི49%Yunseo KwonWhich one of the following cannot form acrystalline solid with a lattice based on thesodium chloride structure?•d. LiFe. RblӨExtensionsResourcesRecordingsOnline quiz 5Mid-semester TestFinal examinationPASS (Peer Assisted StudySessions)Your answer is incorrect.The correct answer is:CuCl216bFinish review=|||о←

The answer is a. CuO.Sodium chloride (NaCl) has a crystal lattice structure where each sodium ion…

Answered: 1:35 Sun, 16 June b III = University of…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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STANDARDS STD#1 STD#2 STD#3 STD#4 STD#5 1.5- 1.0- 0.5 0.0 Caffeine Aspartame Benzoate 50 100 150 200 250 300 Time (seconds) Diet Coke 1.5 Diet Sodas Coke Zero DietPepsi 1.0- 0.5 - 0.0 Caffeine Aspartame Benzoate 50 100 150 200 250 300 Time (seconds) Based on the given chromatograph, answer the following questions: 1) Which of the diet sodas have the highest concentration of caffeine? Which standard best reflects this concentration? 2) Which of the diet sodas have the lowest concentration of aspartame? Which standard best reflects this concentration? 3) What is the approximate retention time of benzoate? 4) If the classification of the chromatography run is a reverse-phase chromatography, discuss the relative polarities of caffeine, aspartame and benzoate. 5) Given the data of the diet sodas, which one would you recommend to be the healthiest? (You may need to research the functions of caffeine, aspartame and benzoate. Please add references if necessary.) Absorbance Absorbance
5:15 PM Thu Apr 13 Question 9 of 20 The mass of a piece of metal is 30.4571 grams. When the piece of metal was dropped into a graduated cylinder that had an initial water volume of 6.45 cm³, the total volume increased to 9.90 cm³. What is the density of the piece of metal in g/cm³? Tap here or pull up for additional resources 1 +
Chrome File Edit View History Bookmarks Profiles Tab Window Help Sun Sep 26 1:19 PM Calendar Course Home Significant Figures Calculator x + openvellum.ecollege.com/course.html?courseld=16846218&OpenVellumHMAC=Ddbacfbcfc14ee9f30d6c137a34986a18#10001 TVIτ νT ITJ U ILJ Mastering Chemistry Course Home My Courses Syllabus You may want to reference (Pages 82 - 88) Section 3.7 while completing this problem. Scores The melting point of benzene is 5.5°C and its boiling point is 80.1° C. eТext Part A Document Sharing User Settings Indicate the phase of benzene at each of the following temperatures. Drag the appropriate items to their respective bins. Course Tools > Reset Help 68°C 96° C 25°C Solid Liquid Gas 4,419 SEP 1 CC ktv 26 280 00
nrome File Edit View History Bookmarks People Tab Window Help 101 Chem101 * 9%D Sat 1:09 PM Q O E O General Chemistry I (LAB SC x + i app.101edu.co 10 Less Known Sleep Dis. O www.youtube.com Recommended: Psych20o Close os M Gmail O O Maps A Translate U https://www.carth. Settings Google Chrome isn't your default browser Set as default Question 6 of 7 Submit Using the equations 2 Fe (s) + 3 Cl2 (g) → 2 FeCl3 (s) AH° = -800.0 kJ/mol Si(s) + 2 Cl2 (g) → SiCla (s) AH° = -640.1 kJ/mol kJ/mol Determine the enthalpy for the reaction 3 SiCl4 (s) + 4 Fe (s) → 4 FeCl3 (s) + 3 Si (s) 3 4 C 8 9. +/- x 100 1122 10,068 OCT étv 24 MacBook Air 80 888 FS esc F2 FA F3 & $ delete 7 8 1 2 P Q W E R Y J K A S D F G > ? N M C V command option .. *- -
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Food safety guidelines recommend that a beef rib roast (bone-in) should cook for 23.0 minutes per pound based on a 325 "F oven setting. How many hours should it take to cook a 5.17 pound roast? STARTING AMOUNT ADD FACTOR ANSWER RESET :( ) 12 13.5 9.90 325 7 23.0 60 7140 1.98 5.17 0.00375 min/lb min hr Ib
A 5.0 ft person weighs 172 lb. Express this person's height in meters and weight in kilograms. (1 lb=453.6 g, 1 m = 3.28 ft) Part 1 of 2 Round your answer to 2 significant digits. Height: Part 2 of 2 m Round your answer to 3 significant digits. Weight: kg Continue 02 X X Save For Later Su Ⓒzuzz coraw Hill LLC. All Rights Reserved. Terms of Use | Privacy
Lab Data Time (min) 0 5 10 15 20 Rate of volume change (mL/hr) Rate of volume change( hr = Tube 1 White Light Volume (ml) 2.8 3.8 4.7 5.6 6.6 1 final volume(mL)-initial volume(mL) Time (min) How to Calculate Rate of Volume Change i Tube 2 Covered Volume (mL) 2.8 2.4 2 1.6 1.2 x 60( -X min hr 1 Complete the following steps: Calculate rate of volume change fa Elodea in white light. Record in Lall Data Calculate rate of volume change fo Elodea in covered tube. Record in I Data
ext Times New. ▼ BIUA E E = E - E 12 + 2 3 4 Part C: 5. Find the amount (moles) of the substance in the following samples to two decimal places: a) 5.0g of potassium oxide b) 25.0g of sulfur trioxide 12 áty MacBook Pro %23 2$ 3 5 6. 7 8 9. T. Y U D G J K *00 FL
Mg3(PO4)2 (s) Mg2*(aq) + _ PO43- (aq) Mg2* (aq) PO43 (aq) initial change eqm Write Ksn in terms of x. 36 x5 12 x3 3x4 108 x5
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