Pre-Lecture Quiz 4.4 _ Sep 13_ Chemical Principles I Lecture C

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2/12/24, 1:38 PM Pre-Lecture Quiz 4.4 | Sep 13: Chemical Principles I Lecture C https://gatech.instructure.com/courses/349396/quizzes/483509?module_item_id=3359778 1/3 Pre-Lecture Quiz 4.4 | Sep 13 Due Sep 13, 2023 at 11:15am Points 1.5 Questions 4 Available after Sep 8, 2023 at 11am Time Limit None Allowed Attempts 3 This quiz is no longer available as the course has been concluded. Attempt History Attempt Time Score KEPT Attempt 3 609 minutes 1.5 out of 1.5 LATEST Attempt 3 609 minutes 1.5 out of 1.5 Attempt 2 1 minute 1.25 out of 1.5 Attempt 1 27 minutes 1.25 out of 1.5 Score for this attempt: 1.5 out of 1.5 Submitted Sep 13, 2023 at 11:08am This attempt took 609 minutes. 0.5 / 0.5 pts Question 1 Answer 1: What is are the compounds that forms when aqueous solutions of Na S and Fe(NO ) react? Enter your answers as the names of the compounds. Do not capitalize compound names. Roman numbers must be uppercase i's and not lowercase L's. All sulfur-containing names should use "f" and not "ph" in the spelling. Product 1: iron(II) sulfide Product 2: sodium nitrate 2 3 2
2/12/24, 1:38 PM Pre-Lecture Quiz 4.4 | Sep 13: Chemical Principles I Lecture C https://gatech.instructure.com/courses/349396/quizzes/483509?module_item_id=3359778 2/3 Answer 2: iron(II) sulfide Correct! Correct! sodium nitrate orrect Answer orrect Answer iron(II) sulphide orrect Answer orrect Answer iron (II) sulfide orrect Answer orrect Answer iron (II) sulphide orrect Answer orrect Answer sodium nitrate Correct! Correct! iron(II) sulfide orrect Answer orrect Answer iron(II) sulphide orrect Answer orrect Answer iron (II) sulfide orrect Answer orrect Answer iron (II) sulphide orrect Answer orrect Answer 0.25 / 0.25 pts Question 2 What is the insoluble compound that forms when aqueous solutions of Na S and Fe(NO ) react? Enter your answer as the name of the compound. Do not capitalize compound names. All sulfur-containing names should use "f" and not "ph" in the spelling. Roman numbers must be uppercase i's and not lowercase L's. 2 3 2 iron(II) sulfide Correct! Correct! orrect Answers orrect Answers iron(II) sulphide iron (II) sulfide iron(II) sulfide iron (II) sulphide
2/12/24, 1:38 PM Pre-Lecture Quiz 4.4 | Sep 13: Chemical Principles I Lecture C https://gatech.instructure.com/courses/349396/quizzes/483509?module_item_id=3359778 3/3 0.25 / 0.25 pts Question 3 For which combination of aqueous solutions does no reaction occur when the two are mixed? Ca(NO ) and K PO 3 2 3 4 NaNO and CaCl Correct! Correct! 3 2 K CO and FeCl 2 3 3 Ba(OH) and Li SO 2 2 4 0.5 / 0.5 pts Question 4 Consider the complete ionic equation and identify the spectator ions. Select all that apply. 2 Na (aq) + S (aq) + Fe (aq) + 2 NO (aq) FeS(s) + 2 Na (aq) + 2 NO (aq) + 2- 2+ 3 - + 3 - nitrate ion Correct! Correct! sodium ion Correct! Correct! iron(II) ion sulfide ion Quiz Score: 1.5 out of 1.5
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Provided Data Time Temperature CHM 131A Lab 9 (min) (°C) Temperature of boiling water 100 25.4 0 -40 Initial temperature of water 32.5 1 44.9 2 Temperature change (AT) 56.9 3 71.3 Mass of beaker 99.233 4 86.6 5 Mass of beaker and water 226.31 g 100.2 6 100.6 7 Mass of water 100.6 8 9 100.6 I
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This question was rejected, but as you can see it's not wort credit the point total says it's out of zero
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AutoSave Document1 - Word O Search ff retroget R File Home Insert Design Layout References Mailings Review View Help A Share P Comments O Find - E Replace Calibri (Body) - 11 - A A Aav A AaBbCcDc AaBbCcDc AaBbC AaBbCcC AaB Paste I U v ab x, x A - e, v A 1 Normal I No Spac. Heading 1 Heading 2 Dictate Editor Reuse Title A Select Files Clipboard Font Paragraph Styles Editing Editor Reuse Files Voice Calculate the difference between AH and AU when 1.0 mol Sn (gray) of density 5.75 g cm3 changes to Sn (white) of density 7.31 g•cm3 at 10.0 bar. Molar mass of Sn = 118.71 g•mol-!. Page 1 of 1 W English (Malaysia) D. Focus 35 words 100% 8:05 AM W 26°C Mostly sunny 4) a O 08/06/2021
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Egwuekwe-Ou x * Office Editing for Docs, Sheets & Slides| chrome-extension://bpmcpldpdmajfigpchkicefoigmkfalc/views/app.html aboutblank ALL2022 (1).doc Format Tools Help ~ HQ Q Normal Unsaved change 12 M HCI should we use? a. 3 L b. 1 L c. 2 L Edits will not be automatically saved. Times New ... e 28. 4 M solution of NaOH means a. 4 moles of NaOH in 1 L b. 4 grams of NaOH in 1L c. 4 moles of NaOH in 100 mls about:blank 31. What is a catalyst? 27. We have 12 M HCl and need 2 L of 6 M HCl. How many Liters of 30. Equilibrium is the state in which 12 ▾ X W FINALFALL2022 (1).doc Save now BIU A A 29. A gas mixture of N₂, O₂ and He exerts a total pressure of 1 atmosphere. N₂ exerts a pressure of 0.2 atmospheres. O₂ exerts a pressure of 0.5 atmospheres. What is the pressure of He? a. The rate of the forward reaction is greater than the reverse reaction. b. The rate of the reverse reaction is greater than the forward reaction. c. The rate of the forward reaction and reverse reaction are equal.…
n 1. Record da Table 1. Data for time and temperature. Note that the gray areas are where the experimental data is recorded. The other columns are calculated. Exp 1 2 3 Time Seconds 1/time 151.8 0.0066 S 50s 126.6 S In (1/time) (Will be negative) -5.02 -3.91 0.02 0.0079 -4.84 °C K 40 1/K (will be small) 16.5 289.65 0.0035 313.15 0.0032 26 299.15 0.0033 2. Use the data on Table 1 to construct a linear y versus x graph of In(1/time) versus 1/temperature(K) in Excel. The graph should have a title that indicates it is a plot of data for the linear form of the Arrhenius equation. Each axis should have a named quantity label and x-axis should additionally have a unit label. Attach to this graph to the report page. 3. State the slope(with correct units and sign) of the line on the graph constructed in #2 4. Use the stated slope in #3 to determine the energy of activation in kilojoules per mol. Show your work. 5. Using the trendline equation for your graph, predict the time that the reaction…
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