CHEM1032L_FinalExamCHM1032L_309581

Chrome File Edit View History Bookmarks Profiles Tab Window Help Sun Sep 26 1:25 PM Calendar Course Home Significant Figures Calculator X b My Questions | bartleby openvellum.ecollege.com/course.html?courseld=16846218&OpenVellumHMAC=dbacfbcfc14ee9f30d6c137a34986a18#10001 L MCHEM-143-0729 Hi, Leslie v Sign Out Help Mastering Chemistry Course Home My Courses Syllabus I Review | Constants I 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. ? Value Units Heat = Submit Request Answer 4,419 SEP 1 CC ktv…

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

People Tab Window Help ubmission History: 2. X 101 Chem101 E AWR prep 5 Google Docs Question 15 of 17 An atom of a particular element has a volume of 7.8 x 10-31 m3 What is this volume in cubic nanometers ? ADD FACTOR ANSWER RESET *( ) %3D 10° 10-6 (10-6)3 7.8 x 10 22 (10°)a (1)3 106 7.8 x 10 31 7.8 x 10-4 1 10-9 7.8 x 104 (10°)a nm nm3 um m3 um3 FEB 6. 3. tv

Perform the calculations and determine the absolute and percent relative uncertainty. Express each answer with the correct number of significant figures. To avoid rounding errors, do not round your answers until the very end of your calculations. [9.8 (±0.3) — 2.31 (±0.01)] 8.5 (+0.6) = absolute uncertainty: + 0.76 Incorrect percent relative uncertainty: 0.88 + 86.36 Incorrect 9.2 (+0.4) × ([5.4 (±0.3) × 10−³] + [5.6 (±0.1) × 10-³]) = Incorrect %

Perform the calculations and determine the absolute and percent relative uncertainty. Express each answer with the correct number of significant figures. To avoid rounding errors, do not round your answers until the very end of your calculations. 7.8 (+0.3) – 2.03 (±0.02) = absolute uncertainty: percent relative uncertainty: 8.24 (+0.04) × 0.012 (±0.001) = absolute uncertainty: percent relative uncertainty: %

History Bookmarks Profiles Tab Window Help ne File Edit View History Bookmarks Σ Significant Figures X Evolution of the Ge X tion Form M Gmail esc M Mathway | Algebra XA ALEKS-Lara Altha X www-awu.aleks.com/alekscgi/x/isl.exe/10_u-IgNsikr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInbC7sevgWyhvv-rexJvhKzol7un38271gTBcKRc47m... YouTube Maps OKINETICS AND EQUILIBRIUM Using Le Chatelier's Principle to predict the result of changing... Acetylene and oxygen react to form carbon dioxide and water, like this: 2C₂H₂(g) +50₂(g) → 4CO₂(g)+2H₂O(g) perturbation Some H₂O is removed. Some O₂ is added. Explanation Q A Suppose a mixture of C₂H₂, O₂, CO₂ and H₂O has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table. below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. 17,894 Z Lo b 2 Check Bb Department of Che X W G hess law organic c... S The pressure of C₂H₂ will ?…

[References] Use the References to access important values if needed for this question. Write each of the following numbers in exponential or scientific notation. Write each number to two decimal places with only one non- zero digit before the decimal point. Example: Use 1.20 × 104 not 0.120 × 10-³ or 12.0 × 10-5. 7640 0.000125 0.000844 257000 Submit Answer 4 Try Another Version 1 item attempt remaining Previous Next

What do the abbreviations in the equations below mean?  (write next to the equations)   C  +  MU  =  R   C%  +  MU%  =  100%   MU%  =    MU   × 100%                      R     C%  =   C   × 100%    R

Question #3: Fill in the number or 1/[S] in the table below. Round to the nearest hundredth. Remember to enter two digits after the decimal point even if the number is 0 (ex. 2.40). Rate 1/ [S] 0.13 0.200 0.28 0.100 X 0.48 0.05 X 0.64 0.033 0.73 0.025 0.77 0.020 X XX

Part B O2 (8) + 2H20 (1) + 2Cu (s)+40H (aq) +2Cu²* (aq) Express your answer using two significant figures. K- 8.3 • 1016 Submit Previous Answere Request Answer X Incorrect; Try Again; 4 attempts remaining • Part C Bra (1) + 21 (aq)→2Br (aq) + I2 (s) Express your answer using two significant figures. K-1.73 • 10 51

< STARTING AMOUNT X The distance between the centers of two oxygen atoms in an oxygen molecule is 1.21 x 10⁰ cm What is this distance in nm ? ADD FACTOR x( ) 10-⁰ 0.121 10-7 1.21 x 10 1.21 x 10-4 100 10² Question 18 of 46 nm 10-⁰ 1 0.0121 ANSWER 1.21 x 10-15 0.01 10⁰ 1210 1.21 x 10- RESET 1.21 10⁰

101 Chem101 b Search results for 'Using the infor x B Brainly.com - For students. By stu X G Using the information in the tab + -> A app.101edu.co I Apps y! email b bartleby B Brainly.com - For st. = Google Docs M gmail O eagle adv H school email S canvas m Monthly | My Classes 101 Chem101 general E Reading list Question 19 of 44 Submit Using the information in the table, the rate law for the reaction A(g) + 3 B(g) → C(g) + 2 D(g) is Rate [A], (M) [B], (M) (M/s) A) Rate = k[A][B]³ 1.25 0.100 0.850 B) Rate = k[B] C) Rate = k[A][B] 1.25 0.300 2.55 D) Rate = k[A][B]² 3.75 0.200 5.10 2:47 PM P Type here to search 67°F Clear 7/19/2021 近

STARTING AMOUNT + X The state of Oregon has an entire area of 6.31 × 10⁰ Î ADD FACTOR :( ) X (1)² 0.6214 1.02 × 10³ m² Question 47 of 48 square kilometers ? 3.92 x 104 mi² 2.44 x 104 km² 1 1.63 x 10³ km ANSWER mi² (1.609)² 1.609 m What is this area in (0.6214)² 5280 RESET 3 mi 6.31 x 104 Submit

The ionic radius of a sodium ion is 2.27 angstroms (A). What is this length in um 1010 2.27 X 2.27 x 10 pm STARTING AMOUNT 1 101° m 2.27 Å x = 2.27 × 10* µm 1A ADD FACTOR DELETE ANSWER RESET *( ) 2.27 0.0227 10° 2.27 x 1010 1 106 1010 1010 104 104 10 10 2.27 x 104 2.27 x 10* um A cm

Boxes 1-4 box 1 answer choices: 0, 3, 1, 2, or 4. box 2 answer choices: 2, 1, 3, 0, or 4. box 3 answer choices: 10.7, 0.241. 0.482, 0.804, 5.36, 0.121, 3.21, or 1.61. Box 4 answer choices: L^2/mol^2•s, L^3/mol^3•s, L/mol•s, 1/s, or L^4/mol^4•s

You are given four values (1.033, 4.157, 1.05, and 4.6) and asked to conduct calculations on them. You perform a series of mathematical operations using the values and make a table that includes the calculated value as displayed on your calculator: Mathematical operation Value displayed by calculator 1.033 +4.157 +1.05+4.6 10.8400 1.033 x 1.05 1.08465 4.157 - 1.05 3.10700 4.157/31.0341 0.133949 4.6/31.0341 0.148224 Round each of the values displayed by the calculator to the correct number of significant figures, and place the value in the bin that correctly indicates the number of significant digits you rounded to. Drag the appropriate items to their respective bins. » View Available Hint(s) Reset Help 10.8400 1.08465 3.10700 0.133949 0.148224 1 significant figure 2 significant figures 3 significant figures 4 significant figures

HERE X heducation.com/ext/map/index.html?.con3con&external browser-0&launchUrl=https%253A%252F%252Fnocbb.onenet.net%25 HERE to begin) Saved 3 attempts left Check my work Enter your answer in the provided box. Carry out the following calculation, paying special attention to significant figures (where 4/3 is exact), rounding, and units: 9.03 x 10 g g/cm 13 4 - (3.1416)(1.87 x 10 cm) Cop

2:53 1 Question 43 of 45 Submit A student needs to run 3.2 km to get to school. If the student can run 5.5 mi/hr , how many hours will it take them to get to school? STARTING AMOUNT ADD FACTOR ANSWER RESET -( ) %3D 18 1 mi/hr 0.36 km 1.609 mi 5.5 hr 60 min 0.94 3.2 0.58 0.6214 35 Tap here or pull up for additional resources

Type the number 8.75 x 10-4 in standard notation. Express your answer using standard notation.

Analytical Chemistry Two scales were being used in the whole scenario, the first one is a truck scale and the second one is an analytical balance. Which of this two scales has a high level of accuracy? Are they comparable? Why or why not?

6 of 11 I Review | Constants | Periodic Table Part B Find the value of 17 2 15 11 Though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. Enter the numerator followed by the denominator, separated by a comma. View Available Hint(s) VO AE ? Your submission doesn't have the correct number of answers. Answers should be

= Q5.17 Homework Unanswered Convert 202 CV to Ws. Only include the numerical value in your answer. Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 105) Type your numeric answer and submit Unanswered 4 attempts left Submit

Perform the calculations and determine the absolute and percent relative uncertainty. Express each answer with the correct number of significant figures. To avoid rounding errors, do not round your answers until the very end of your calculations. [9.8 (+0.3) - 2.31 (+0.01)] 8.5 (+0.6) absolute uncertainty: + percent relative uncertainty: + 8 9.2 (+0.4) × ([5.4 (±0.3) × 10−³] + [5.6 (±0.1) × 10−³]) = absolute uncertainty: ± 0.005 percent relative uncertainty: + % %

chemistry student weighs out 0.0308 g of acrylic acid (HCH,CHCO,) into a 250. ml, volumetric flask and dilutes to the mark with distilled water. He plans co titrate the acid with 0.2000 M NAOH solution. Calculate the volume of NAOH solution the student will need to add to reach the equivalence point. Be sure your answer has the correct number of significant digits.