In-Class Assignment 4
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In-Class Assignment 4.2 | Sep 8: Chemical Principles I Lecture C
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In-Class Assignment 4.2 | Sep 8 Due
Sep 11, 2023 at 11:50am
Points
3
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 2
1 minute
3 out of 3
LATEST
Attempt 2
1 minute
3 out of 3
Attempt 1
9 minutes
2.75 out of 3
Score for this attempt: 3
out of 3
Submitted Sep 8, 2023 at 11:11am
This attempt took 1 minute.
0.5 / 0.5 pts
Question 1
Answer 1:
Write the names
of the products of the reaction between potassium
carbonate and iron(III) chloride.
Product 1: potassium chloride
Product 2: iron(III) carbonate
potassium chloride
Correct!
Correct!
Potassium chloride orrect Answer
orrect Answer
Potassium Chloride orrect Answer
orrect Answer
2/12/24, 1:37 PM
In-Class Assignment 4.2 | Sep 8: Chemical Principles I Lecture C
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2/4
Answer 2:
iron(III) carbonate orrect Answer
orrect Answer
iron (III) carbonate orrect Answer
orrect Answer
Iron(III) carbonate orrect Answer
orrect Answer
Iron (III) Carbonate orrect Answer
orrect Answer
Iron(III) Carbonate orrect Answer
orrect Answer
iron(III) carbonate
Correct!
Correct!
Iron(III) carbonate orrect Answer
orrect Answer
iron (III) carbonate orrect Answer
orrect Answer
Iron(III) Carbonate orrect Answer
orrect Answer
Iron (III) Carbonate orrect Answer
orrect Answer
potassium chloride orrect Answer
orrect Answer
Potassium chloride orrect Answer
orrect Answer
Potassium Chloride orrect Answer
orrect Answer
1 / 1 pts
Question 2
Identify the driving force for each reaction:
Reaction 1: Mg(OH)
(aq) + H
SO
(aq) → MgSO
(aq) + 2 H
O(l)
Reaction 2: K
CO
(aq) + CaBr
(aq) → CaCO
(s) + 2 KBr(aq)
Reaction 3: 2 HCl(aq) + Mg(s) → MgCl
(aq) + H
(g)
2
2
4
4
2
2
3
2
3
2
2
Reaction 1
formation of water
Correct!
Correct!
Reaction 2
Correct!
Correct!
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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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Calculate the difference between AH and AU when 1.0 mol Sn (gray) of density 5.75 g cm3
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8.46. A scuba diver 60 ft below the ocean surface inhales 50.0 mL of compressed air from a
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in atmospheres, in the lungs when the gas expands to 150.0 mL at a body temperature of 37 C,
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الكويز عبارة عن حل شيت والمعطيات لكافة الأفرع
25 ml of 1M HCI (ag) at 23.4°C was added to 25 ml of 1M NaOH at 23.4°C. The final temperature of the reaction
mixture was 29.7 C. Calculate A H, (KJ/mol). Density of each solution is 1.04 g/ml and Specific heat of water
=4.184 J/g.C
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Quèstion 6
Select the statement that is not supported by the following equation:
q=0=(mwater)(Cwater)(ATwater)+ (mmetal)(Cmetal)( ATmetal)
The total change in heat is the sum of the changes in heat of water and a metal.
Energy is conserved.
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11 .I
12
13
14
15 . 1 . 16.
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Nomenclature. Give the IUPAC name of the following compounds.
CI
1.
2.
3.
4.
HO,
6.
CH3
CH3
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The real gases do not follow the ideal gas law of PV= nRT, where P is the pressure, V is the
volume, n is the amount of gas, R is the Universal gas constant, and T is the absolute
temperature.
(a)
Identify the variables in the ideal gas that are responsive for the deviation and draw
their respective diagrams.
(b)
Explain the reasons for deviation of the behaviour of the real gases from the ideal gas
law.
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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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- ople Tab Window Help 62% O Fri 12:36 PM ind Tap - Cengage Learning C Search Textbook Solutions | Ch x + "evo/index.html?deploymentld%3D55750828934189288909969212&elSBN=9781305657571&snapshotld... INDTAP Q Search this cours Use the References to access important values if needed for this question. Nitrogen at a pressure of 1 atm condenses to a liquid at 77.4 K and solidifies at 63.2 K. The vapor pressure of liquid nitrogen is 0.929 atm at 76.8 K. Calculate the volume of 1.00 mol of N, vapor under these conditions and compare it with the volume of 1.00 mol of N, at STP (0 °C, 1 atm). Volume 1 mol vapor at 76.8 K: Volume 1 mol gas at STP: The volume of 1.00 mol gas at STP is v than the volume of 1.00 mol vapor at 76.8 K.arrow_forwardX 1. VitalSource Bookshelf - SDSU-2 x Pearson MyLab and Mastering x → C Mail Classes Problem 4.87 Part A session.masteringchemistry.com/myct/itemView?assignment Campus Student Campus Student Warner School Dist... AR DZL D2L RamseyClassroom... D2L Juveline HOMEWORK Mastering Chemistry #4 (Ch. 4); due 11:59pm February 12 (Sunday) H MasteringChemistry: HOMEWOF X Draw the structural formulas for two compounds having the molecular formula C₂H4O. (Hint: there is one double bond.) Draw the molecules by placing atoms on the grid and connecting them with bonds. D0 of H ProblemID=199769495 ? 0 O B De 0 Ilarrow_forwardinstructure.com/courses/16017/quizzes/600409/take onds Press S... d Loading Desmos... Answer: Nicole Sneddon Cla... 1. °℃ 3 33 7.06 Conter X Math 7 2019-2020 L D 10 000 Image from Pixabay: https://pixabay.com/photos/petrol-equipment-fire-extinguisher-3079094/ There is 17.0 g of carbon dioxide gas stored in a cylinder with a volume of 16.0. A pressure gauge shows the pressure to be 3.00 atm. R=0.0821 Latm/(mol-K) In degrees Celsius, determine the temperature of the gas. Round your answer to a whole number. 7.06 Applic x M Ihbox (1,61: x 19,Unattempted. About Us - Levi S 3 | Garrow_forward
- The reactions that I have written out do not seem to match any of tthe answers given for me, I wonder what I am doing incorrectly on this one! Please show every step for me to better understand where/when I am going incorrectly in my work! Thank you ahead of time! I need help ASAP! :)arrow_forwardM Inbox (321) - jjuhasz@ X in Course: NTR-3230-130 X My Courses Course Home Syllabus Scores Pearson eText Study Area Document Sharing User Settings Course Tools @ EH ✰ openvellum.ecollege.com/course.html?courseld=17762365&OpenVellumHMAC=57891f531d784362508555aa651bb397#10001 > e X Course Homearrow_forwardProvided 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 Iarrow_forward177% @ e 12:35 تيليجرام LTE .l A docs.google.com :Q2 An information source with P(Xi)3(0.15, 0.1, 0.03, 0.4, 0.02, .0.1, 0.2) with a time of (1, 4, 2, 3, 1, 2, 2)ms respectively نقطة واحدة ?=The average time T Non of one O T=2.53 T=2.43 T=-2.43 نقطة واحدة ?=The result of source entropy HX HX=2.3327 O HX=2.3 HX=-2.3327 HX=2.500arrow_forward3 Micros X 6 Modul X I Course X S What i Te219 x G intelle x Intelle x com/course.html?courseld%=16985674&OpenVellumHMAC=a46387336edc299b16 49c591bf9ad36#10001 Provide Feedback 11:18 AM 75°F Partly sunny O O 4x a 12/10/2021 36arrow_forwardAutoSave 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 08/06/2021arrow_forwardS Physical Science: Q2: 2021-22 (L X S Abigail Spencer | Physical Scienc x MAlg. 1-ldentifying Linear Functior x A alleneast schoolsplp.com/enrollments/172020834/items/7ab47cea-18be-4119-95c8-3ab6b5397059/work Abigail Spencer Next Activity > Physical Science: Q2: 2021-22 (LL): Mastery Assess It 4 All changes saved A 17. You leave a half-full water bottle in the car in the heat of summer. The next time you get in the car, you notice condensation inside the water bottle. This is an example of O synthesis O chemical equilibrium O physical equilibrium an open system > N PREVIOUS 17 of 25 NEXT REVIEW SAVE & EXIT DELL %24 & 林 Warrow_forwardLecture X zm CHM12 x Assign X ChatGP X Cedxb Home xb Answer X M Inbox ( X M Inbox ( X Google x | ← → Cmoodle.uog.edu.gy/mod/quiz/attempt.php?attempt=143670&cmid=59476 M Gmail YouTube My courses 15 Google Calendar Periodic table - Cre... AccessPharmacy -... Cart Maison Fran... Exploring the Impa... 25:00 - Time to foc... UG_MOODLE 2023 2024 Home Dashboard My courses Search Question 11 Not yet answered Marked out of 1.00 Flag question OH HO CH₂ Phenylephrine (PE, see the structure below) is a nasal decongestant and is the active ingredient in Sudafed, which contains phenylephrine hydrochloride (PEHCI). This conjugate acid of phenylephrine (PEH+) has a pKa = 5.5. At a physiological pH of 7.4. What is the ratio of concentrations, [PE]/[PEH+]? O a. 79 O b. 0.14 ○ c. 21 O d. 6.7 ○ ○ e. 0.01 Clear my choice ZM ? = ☑ - 0 В >> All Bookmarks Quiz navigation 2 3 5 6 15 BC 10 12 13 14 Finish attempt... 10:49 AM 4/26/2024arrow_forwardAssignment 4.docx - Word Lorelei C Home Insert Design Layout References Mailings Review View Help O Tell me what you want to do Cut Calibri (Body) |12 -AA Aa, .三,, 划T AaBbCcDc AaBbCcDc AaBbC AaBbCcC AaB AABBCCD AaBbCcDt AaBbCcD AaBbCcD AaE aCopy B I U - abc X, x A、少,A,三=== 加, -. 1 Normal INo Spac. Heading 1 Heading 2 Subtle Em. Emphasis Intense E.. Title Subtitle Str Format Painter ipboard Font Paragraph Styles 8.46. A scuba diver 60 ft below the ocean surface inhales 50.0 mL of compressed air from a scuba tank at a pressure of 3.00 atm and a temperature of 8 C. What is the final pressure of air, in atmospheres, in the lungs when the gas expands to 150.0 mL at a body temperature of 37 C, if the amount of gas does not change? Page 3 of 3 1032 words o de e W Type here to search DELLarrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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