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Which balance, triple-beam or electronic, provides the more precise measurement? Explain.
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- Com X Bb Mas X Mas X Hom X K! Kahx Exan X K! Kah X Mitc X КI Kah X K Kah x K! Kah x Kah x K Kahx C session.masteringchemistry.com/myct/itemView?assignmentProblemID=134214560 Apps New Tab Effect of Salinity on... Sleep Disorders | M... P Philo American Journal ... Zeeshan JBAS Ic Wait for Next Quest... oramge juice Effect cThe pharmacist attempts to weigh 80mg of sodium carbonate on a balance having a sensitivity requirement of 4mg. Calculate the maximum potential error in terms of percentage.1. The table below shows average temperatures recorded over a five-day period last winter (a) Calculate the mean values, X, of these temperatures (b) Calculate the standard deviation of the average temperatures . Clearly show all your calculations (c) Find confidence interval at 90% and 99% Days Temperature (°C) 21 2 23 17 25 12 6. 19Sample IdentificationCodeConcentration of M%TA=2-log(%T)Q50004.00 x 10-417.90.75Q50013.20 x 10-425.00.6Q50022.40 x 10-435.70.46Q50031.60 x 10-450.20.3Q50048.000 x 10-570.80.15SampleIdentificationCode%TA=2-log(%T)AMQ0210150143.70.359518560.360.000192Q0210150244.10.355561410.360.00018Q0210150343.80.358525890.360.00017Q0210150444.10.355561410.360.00018Q0210150543.80.358525890.360.00017What was their percent error?43%Does Batch 021015 meet legal requirements?No, because it is not between 2.85 * 10(4) and 3.15 * 10(4)Well #DropsBluedye1234567891012345678910Drops 9Distilled water876543210Concne 0.26tration0.52Test Tube #0.781.041.3Solutions3Concentration (M)2.082.32.6Concentration (ppm)1:1 dilution11.82Starting Dilution21.562:1 dilution0A.Zero standard0Was your calibration curve as linear as you expected?B.Did you experience any âdriftâ of the resistance readings?C.What is the equation of your best-fit line?D.What commercial drink did you analyze?E.Assuming…M9. Readings * OWLV2 | Assig X MindTap - Cen x g.cengage.com/static/nb/ui/evo/index.html?elSBN=9781337790840&id%3D299783426&snapshotld-785765& MindTap- Cen x G amu of ca-G x b My Question x + CENGAGE MINDTAP Chapter 8: Chemical Composition L. E AA Tools Problems 45. Calculate the percent by mass of each element in the following compounds. a. HC103 b. UF4 с. СаН2 d. Ag,S e. NaHSO3 f. MnO2ople 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.me of Cones Practice Session - PeriodibsTable x 84.studyisland.com/cfw/test/practice-session/a2166?CFID=0487f3b7-46be-4e10-aa17-5c7ee16a463d&CFTOKEN=0&cratelD=a2166&packl. < ☆ Login O Mail -Keidy A Mun.. PowerSchool Learn.. Salir de ASNEF No.. Home-Study Island Desmos | Scientific. F Meet-mythhou-dih able 1. The halogens are the elements of group 17 on the periodic table. Halogens combine easily-with elements from group 1. When a halogen reacts with a metal, what type of compound is formed? A. noble gas OB. potassium Oc. alloy OD salt Reset Submit Session Score: 0% (0/0)S People Tab Window Help 14% O Sun 9:41 PN ngage Learning Online Asse x * MindTap - Cengage Learning evo/index.html?deploymentld%=55750828934189288909969212&elSBN=9781305657571&nbld%3D2199898&snapshotld... ☆ Tp INDTAP Q Search this cou Use the References to access important values if needed for this question. A sample of gas contains 0.1118 mol of H2(g) and 5.590×10² mol of O2(g) and occupies a volume of 8.55 L. The following reaction takes place: 2H2(g) + O2(g)–2H2O(g) Calculate the volume of the sample after the reaction takes place, assuming that the temperature and the pressure remain constant. Submit Answer 5 question attempts remaining92% D Sun 3:04 PM OneLogin B McGraw-Hill Can O Question 1- 8.4 M MHE Reader B McGraw-Hill Cam x A ALEKS - Esther C x -> A www-awa.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-IBcn9hvCfbYq_fi3Zsn8H2oW_5PTMiOacVC-TPIQJ5aqZ8Tg8iSQs6Rzj49leNgLwH_Jfre.. ☆ -pps M Gmail O YouTube O Maps BC Broward College |.. O Sample Source An.. O New Tab G What does Duckw. E Untitled documen. B Reading List O KINETICS AND EQUILIBRIUM Using reactant reaction order to predict changes in initial rate Esther A certain reaction is first order in H, and first order in I,. Use this information to complete the table below. Be sure each of your answer entries has the correct number of significant digits. [4] [1] initial rate of reaction 1.25 M 1.39 M 15.0 M/s do 0.431 M 1.39 M 2.06 M 0.844 M Check Explanation O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use I Privacy | Accessibility 642 4 MacBook AirMolar concentration of the dye stock solution: 2.52e-5 mol/L Operating Wavelength: 630 nm Solutions(Dilutions) Absorbance (A)(a.u.) 1 0.073 2 0.118 3 0.258 4 0.477 Using linear regression determine the absorbance/concentration relationship for the dye. [dye] =_____ x ACUTICLE OIL O Microsoft W final E.A 1. G fahrenheit x 9 Learning M X O Schoology x O ch 9 key A mukilteo.schoology.com/common-assessment-delivery/start/4592487484?action on.. Bb Molar Mie O Periodic x 3-6, 6-5, & 6-6 Test 6 of 10 © 29 POSSIBLE POINTS: 2 What is the mass of a 5.521 mole sample of MgCl2? O 17.26 g O 100.7 g O 525.7 g O 256.1 g 4. 6 8 9 10 Lenovo DI 23 $ 7 4 t r e ーの づrks People Tab Window Help 14% O Sun Cengage Learning Online Asse x Mind Tap - Cengage Learning i/evo/index.html?deploymentld=55750828934189288909969212&elSBN=9781305657571&nbld3D2199898&snapshotld... MINDTAP Q Search Use the References to access important values if needed for this question. A student reads a barometer in the laboratory and finds the prevailing atmospheric pressure to be 737 mm Hg. Express this pressure in atmospheres, kilopascals, torrs, and bars. Hint: 1 atm = 101.3 kPa= 1.013 bar = 760 torr= 760 mm Hg = 14.7 psi atm kPa torr barSEE MORE QUESTIONS