Q5/ A gaseous mixture of CO, CO2, CH4, and N2 is analyzed with a gas chromatograph. The output appears on a computer monitor, as shown in below table. No. moles M Component co CH. CO2 40 28 25 16 80 44 CH 20 N2 28 For each of the three species, the area under the peak is approximately proportional to the number of moles of the indicated substance in the sample. From other information, it is known that the molar ratio of methane (CH.) to nitrogen is 0.200. (a) What are the mole fractions of the four species in the gas?

Q5/ A gaseous mixture of CO, CO2, CH4, and N2 is analyzed with a gas chromatograph. The output appears on a computer monitor, as shown in below table. No. moles M Component co CH. CO2 40 28 25 16 80 44 CH 20 N2 28 For each of the three species, the area under the peak is approximately proportional to the number of moles of the indicated substance in the sample. From other information, it is known that the molar ratio of methane (CH.) to nitrogen is 0.200. (a) What are the mole fractions of the four species in the gas?

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter11: Intermolecular Forces And Liquids

Section11.6: Properties Of Liquids

Problem 1.2ACP

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aur X Macmilla X 2/ Course X 50 ~ T Sections X Submit Answer evo/index.html?deploymentid=5735112480241329813180832311&elSBN=9781305862883&id=1707786042&snapshot! References lancing Molecular Equations: This is group attempt 2 of 10 HOMEW X Use the References to access Important values if needed for this question. When the following molecular equation is balanced using the smallest possible Integer coefficients, the values of these coefficients are: Na (s) + H₂0 (1). NaOH (aq) + H₂ (8) ≡く □ □ A MindTap ㅁ Autosaved at 5:51 PM MacBook Air Gatoms to When the following molecular equation is balanced using the smallest possible Integer coefficients, the values of these coeffi Br₂(g) + Cl₂(g) →BrCl(g) X Dom
Bookmarks Window Help 14 Q A Fri De A prod01-cnow-owl.cengagenow.com Bb Content E OWLV2 | Online teaching and learning resource from Cengage Paraphrasing ..ewriting Tool Car note CAU EMAIL CANVAS Pirate Ship MYJSCC BLACKBOARD Vacancies | A.| Birmingham New NCOER C.e Measures [References) Calculate the composition of the gaseous mixture obtained when 4.05 mol of carbon dioxide is exposed to hot carbon at 850°C in a 4.15 L vessel. The equilibrium constant K. ' at 850°C is 1.67 for the reaction CO2(9) + C(s) = 2C0(g) [CO2] = [CO] = Submit Answer Try Another Version 3 item attempts remaining pt pt Next étv 10 MacBook Air DII DD 80 888 F9 F7 F6 FS F2 F3 & @ 23 $ 7 8 2 3 4. Y U W E J K L H S V B M .. .- V R
EN-US My Notes DOO ... L.. Table 1.2 ; Data sheet/ Part B RART B Record your data with units unknown Letter mass of empty evaporating dish 41.35g mass of unknown sample 3.01g mass of petri dish half t Clean funnel mass of petri dish half+ funnel + Sublimed NHYC) mass of evaporating dish With residue atfter Sublimator mass of evaporating dish and sand, first drying att empt. mass of evaporating dish and dry sand after setond 43.07g 43.079 Lab3: Sublimah on Crroup #12 Februany 26, 202
Average No. of moles of KMNO4 No. of moles of H20 = 1.07 x 10 mol = 2.675 x 10 mol %3D Conc. of H202 = 0.0535 M %3D % of H2O2
2) As an example of precision and accuracy of data, suppose the % carbon in a single compound has been measured thrce separate times by 2 different students. The theoretical % carbon is 21.34%. Student 1: trial 1:26.11%, trial 2: 26.24% trial 3: 25.92 %, Avg - 26.09 Student 2: trial 1: 20.35%. trial 2: 22.64 % trial 3: 19.79 %. Avg = 20.93 a) Which student had the more precise data and how can you tell? b) Which student had the more accurate data and how can you tell? 3a) Calculate the % error of Student 1 data in problem 2 above. Show all work below. WATCH SIG FIGS
Part C: Determine percent Oxalic Acid in Unknown Sample Molar mass of oxalic acid 90.03 g/mol Trial 1 Trial 2 Trial 3 Average Precision Mass of unknown oxalic acid (g) 1.0048 0.9995 1.0018 --- Volume (mL) of Standardized KMNO4 used Moles of KMnO4 10.03 9.85 10.45 --- --- --- Moles of oxalic acid (H2C204 • 2H2O) --- --- grams of oxalic acid (H2C204 • 2H2O) (g) percent oxalic acid (%) --- --- Show calculations:
Mass of sample: 0.60g Mass of top of funnel + filter paper: 14.72g Mass of top of funnel + filter paper + MgNH4PO4.6H2O: 16.07g What is: Mass of MgNH4PO4.6H2O Molar Mass of MgNH4PO4.6H2O Moles of MgNH4PO4.6H2O Molar Ratio MgNH4PO4.6H2O : P Moles of P Mass of P in the original sample of plant food % of P in the original sample of plant food Moles of P Molar ratio P2O5 : P Moles of P2O5 Molar Mass of P2O5 Mass of P2O5 in the original sample of plant food % of P2O5 in the original sample of plant food
17 G G M + A https://ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect.mheducation.com%252F#/activity/que. ☆ Practise moles calculations (E. Dempsey) i Saved Help Save & Exit Submit 7 3 attempts left Check my work Be sure to answer all parts. Hint The anticaking agent added to table salt is calcium metasilicate (CaSiO3). This compound can absorb Solution eBook up to 2.5 times its mass in water and still remain free-flowing powder. Calculate the percent composition of CaSiO3. Guided Solution Print References Percent Ca: Percent Si: Percent O: Mc Graw Hill 16:08 P Type here to search a 13°C O G G 4)) ENG 11/11/2021 近

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(in ML) evo/index.html?deploymentld%35575082893418928890996 2&elSBN=9781305657571&nbld%3D2199898&snapshotld%3D21998... * INDTAP Q Search this co Use the References to access important values if needed for this question. Oxalic acid dihydrate is a solid, diprotic acid that can be used in the laboratory as a primary standard. Its formula is H2C204•2H2O. A student dissolves 0.210 grams of H,C,O4•2H¬O in water and titrates the resulting solution with a solution of sodium hydroxide of unknown concentration. If 27.3 mL of the sodium hydroxide solution are required to neutralize the acid, what is the molarity of the sodium hydroxide solution ? M Submit Answer 5 question attempts remaining Ne
(URGENT) Help fill in the rest of the empirical formula of an unknown chart. The parts that are filled in are given as context clues, the rest is to solve through a direct estimate.
TO McGraw Hill Campus Cn ||| XA A ALEKS- Elizabeth Galaz - Learn x Calculate the Molar Mass of Ace! x + https://www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-liG1Sp4C1qHE9vg-2-exSXq493r_tJ2gZs0a-_xkRSR8a7T-... A O CHEMICAL REACTIONS Finding mole ratios from chemical formulae This is the chemical formula for nickel tetracarbonyl (a powerfully poisonous liquid used in nickel refining): Ni(CO) mol Explanation A chemical engineer has determined by measurements that there are 0.012 moles of nickel in a sample of nickel tetracarbonyl. How many moles of oxygen are in the sample? Round your answer to 2 significant digits. Check X Search 3/5 LOO hp © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center V Eliz TUNIN Acces D