An analyst determines the Cl^- content of rain water with ion chromatography. The data for the calibration line in the range 5 to 50 milli equivalents per liter (mEq/L) is shown in the table below. Additionally, a blank sample was analysed 5 times and the following results obtained: 1.1, 0.5, 0.1, 0.9 and 1.2 ppm Ct Calculate the detection limit (DL) for the method with a 98.3% confidence level. Use ALL data and show equations
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An analyst determines the Cl^- content of rain water with ion chromatography. The data for the calibration line in the range 5 to 50 milli equivalents per liter (mEq/L) is shown in the table below. Additionally, a blank sample was analysed 5 times and the following results obtained: 1.1, 0.5, 0.1, 0.9 and 1.2 ppm Ct Calculate the detection limit (DL) for the method with a 98.3% confidence level. Use ALL data and show equations
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- exe/lo_u-lgNsikr7j8P3jH-IQs_dp5pR4ENzvdYC-70kXyMz36BqJhw3sVPj_jpaFLxvGArYxlbmcyqa71YYPJBG6RjdYAdGPjGhFLILID-HEX1YcqAB?1oBw7QYjlbavbSPXtx-YCjsh_7mMmrq#item Course Home Login | Student Veri... Bb Logout MyrogrammingLab Imported From IE ITEC2110:Summer2.. TunesToTube - Upl.. Web Development. Publix App O KINETICS AND EQUILIBRIUM Using the Arrhenius equation to caiculate k at one temperature fr.. Ci The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy E = 54.0 kJ/mol. If the rate constant of this 1 -1 at 11.0 °C, what will the rate constant be at -16.0 °C? reaction is 0.012 M Round your answer to 2 significant digits. -1 -1 x10/Isl.exe/lo_u-IgNSIkr7j8P3jH-IQs_dp5pR4ENzvdYC-70kXyMz36Bqhw3sVPj_jpaFLxvGArYxlbmcyqa71YYPJBG6RjdYAdGPjGhFLILID-HEX1YcqAB?1oBw7QYjlbavbSPXtx-YCjsh_7mMmrq#3 P Course Home Login | Student Veri... Bb Logout MyProgrammingLab Imported From IE ITEC2110:Summer2... TunesToTube - Upl.. Web Development.. Pub O KINETICS AND EQUILIBRIUM Using a second-order integrated rate law to find concentration c.. Consider this reaction: 2HI (g) → H, (g) +I, (g) At a certain temperature it obeys this rate law. rate = (0.118 M-s)[H] ? Suppose a vessel contains HI at a concentration of 1.48 M. Calculate the concentration of HI in the vessel 42.0 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. x10 II6829Cu->0-1beta+?
- /x/Isl.exe/lo_u-IgNslkr7j8P3jH-IQs_dp5pR4ENzvdYC-70kXyMz36BqJhw3sVPj_jpaFLxvGArYxlbmayqa71YYPJBG6RjdYAdGPjGhFLILID-HEX1YcqAB?1oBw7QYjlbavbSPXtx-YCjsh_7mMmrq#item P Course Home Login | Student Veri... Hb Logout MyProgrammingLab Imported From IE O ITEC2110:Summer2... TunesToTube - Upl.. Publix App Web Development.. O KINETICS AND EQUILIBRIUM Using the Arrhenius equation to calculate k at one temperature fr. Cia 23%#3%# The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energyE=45.0 kJ/mol. If the rate constant of this -1 -1 reaction is 4.4 x 10 M s at 266.0 °C, what will the rate constant be at 177.0 °C? Round your answer to 2 significant digits. -1 k = \\M -1 x10A ALEKS-Alasia Fuqua-Learn = (43) THE NEW OUTLAST?!-Jaw X ← → C www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-1BjuJnuCDtT6kRBabGFF3MOAKZ_UVXON202gQ_IWvS470tHNd1kBsKRoy8WfXEBm-Ky5RMDtaRgbulPm5W_Isl815AMZE_0?10Bw7QYJL < O CHEMICAL REACTIONS Writing the net equation for a sequence of reactions X + The extraction of aluminum metal from the aluminum hydroxide in bauxite ore by the Hall-Héroult process is one of the most remarkable success stories of late 19th century practical chemistry, turning aluminum from a rare and precious metal into the cheap commodity it is today. In the first step, aluminum hydroxide reacts to form alumina and water: 2 Al(OH)3(s)-Al₂O3(s) + 3 H₂O(g) 11 In the second step, alumina and carbon react to form aluminum and carbon dioxide: 2 AL₂O3(s)+3 C(s)-4 Al(s) + 3 CO₂(9) Write the net chemical equation for the production of aluminum from aluminum hydroxide and carbon. Be sure your equation is balanced. Explagation Check THE 60 X CD 3/5 M D D ES Alasia V…Content ALEKS - CHLOE PRE - Learn + www-awu.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-Ivg34BxuKJcTRkqM99B-AECyRjFR6U4k_z_epULh3-WPsxjeSZuy8-pNs_6WIZ3×4]21SW_p6C. O 海 三 O THERMOCHEMISTRY Calculating pressure-volume work CHLOE 0/5 A mixture of helium and hydrogen gas is expanded from a volume of 89.0 L to a volume of 90.0 L, while the pressure is held constant at 28.0 atm. Calculate the work done on the gas mixture. Be sure your answer has the correct sign (positive or negative) and the correct number of significant digits. Explanation Check 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibility MacBook Air
- www-awu.aleks.com/alekscgi/x/lsl.exe/1o_u-lgNslkr7j8P3jH-IQs_dp5pR4ENzvdYC-70kXyMz36BqJhw3sVPg1sWvyRRptHYHEXBj5yCEI7jDviKzHbv2wtDpYTEY. pogle Docs YouTube O Saks Oracle Stubs... M Gmail # Infor Workforce Ma... Course Home O MEASUREMENT AND MATTER Setting up the math for a one-step quantitative problem Kaya Super fine 40-gauge copper wire has a diameter of only 0.080 mm and weighs only 44.5 g/km. Suppose a spool of 40-gauge wire weighs 678. g less after some wire is pulled off to wind a magnet. How could you calculate how much wire was used? Set the math up. But don't do any of it. Just leave your answer as a math expression. Also, be sure your answer includes all the correct unit symbols. length of wire = ol. x10 Ar Explanation Check 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use I Privacy Accessibility M IIBlackboard | Miami D x M CHM 1046L_Week 9 x S HOL - Instance A ALEKS - Daniela GALL x Blackboard| A www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslikr7j8P3jH-liGmxpvVN4ENzvdYC-70kXyMz36BqJhw3sVP20GT MEASUREMENT AND MATTER Simplifying unit expressions Rewrite this measurement with a simpler unit, if possible. kg-m 4.7 2 m m Note: If you can simplify the unit at all, it may be possible to make more than one simplification. Be sure ロ.口 ola5 # 3 ALEKS-Courtney W x New Iab 5oog-ajce 3pouad + x www.awu.aleks. com alekscgi/x/1sl.exe/1o_u-igNsikr7,8P3)H-lijulplKKWv4bwenmyrLYOBHDAAsJtmzj53GErnx_viTdHblGMF9jvgkSu_nrizREmdQXHPJbMzq0mOrXJcuonZITQh866q?1oBw7Qv)bay O CHEMICAL REACTIONS Percent yield of chemical reactions Courtney V SE OO OOC Gaseous ethane (CH,CH,) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (CO,) and gaseous water (H,0). If 3.59 g of water is produced from the reaction of 5.71 g of ethane and 37.5 g of oxygen gas, calculate the percent yield of water. Be sure your answer has the correct number of significant digits in it. Explanation Check O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use l Privacy Center Accessibility 2 6. 4. 081 09 un alt alt
- Watch Gilmore Girl x * Dementia Friend C (8 unread) - rkg850 × WPAL 101_ 233 _S x a Grades for Reyna G X A ALEKS - Reyna Gar x Psychology Reses i www-awu.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-IvdWKW_BBZZ16tTytly4Fcfu6zOtOf8oMM9sY-TNXBSKec4e1qYiS]MWNSOFZYUA5AJK... O * Spotify Web Playe... M Common Ethical D. O CHEMICAL REACTIONS Calculating molarity using solute moles Reyna 3/5 A chemist prepares a solution of barium chloride (BaCl,) by measuring out 17.8 µmol of barium chloride into a 150. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mmol/L of the chemist's barium chloride solution. Be sure your answer has the correct number of significant digits. mmol L Explanation Check Accessibility O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center FEB 25Assessment-Chem 18-Gen (X 80 $ 54 R UCI General Chemistry Peer Tu X 65.2% Use the molar bond enthalpy data in the table to estimate the value of AHin for the equation CCI, (g) + 2 F₂ (g) →→→ CF₂(g) + 2Cl₂(g) The bonding in the molecules is shown. ΔΗ; = 888 F4 ++++ % 5 FS F-F A 6 New Tab MacBook Air ܀ T Y F6 & 7 CICI CI-CI A4 F7 * 8 ∞ Resources Average molar bond enthalpics. (Hond) kJ. mol Bond 464 C=N 142 N-H 351 N-N 502 N=N 730 N=N 347 F-F 615 811 414 439 331 276 293 615 Bond O-H 0-0 C-0 0=0 C=0 C-C C=C C=C C-H C-F C-CI C-Br C-N C=N DII FB 69 DD F9 kJ Question Source: McQuarrie, Rock, And Gallogly 4e-General Chemistry Publisher: University Science Books 1 0 ) CI-CI Br-Br H-H H-F H-CI H-Br H-S S-S 0 A F10 I' Check Answer P kJ. mol-1 890 390 159 418 945 155 243 192 435 565 431 368 364 225 3 F11 0 + Show All 411) F12 X }> Recitation Groups 2- Bb Clicker Student >CHEM 120 Recitation-B X G what does com/#/courses/f6a0eb3e-1b08-4659-b1fa-c41d6db62792/assignments/e5af6f1a-129e-46e4-8a24-01214d81b6a9 Eae ntiala of Ongane Chemitry Rtaton s CHEM 12 3, [Multiple Cholce] Choose an alcohol best sultableforthis reaction OH HO A. HO OH C. OH В. D. hp 近