1F92 Assignment 4. Stoichiometry, Oxidation-Reduction Consider the following net ionic equation for a redox reaction: 2 MnO,- +2 H2O + →2 MnO4¯ +2 OH + H2 (a) Which reactant gets oxidized? (c) Which reactant is the oxidizing agent? (d) Which reactant is the reducing agent? (b) Which reactant gets reduced?
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- Conte X ALEK X O Rich x Ceng Bb Excel Bb What X O COVI e Daily x O Amon x e Chat N Ne www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNsikr7j8P3jH-lIJOkWvnm4w-aQ-rw-zRhgRnayfmbBs65spEVIGu-K5Jx48w9eOKISqsha Click to go forward, hold to see history Apps R Blackboard 2Mail - Ava Schied. O UAConnect Biology Syllabus J Labflow - Courses O Explore - HogSync O Packback + MyN Objective Knowledge Check Question 13 Calculate the mass of glucose (C,H,,0,) that contains a trillion (1.0 x 102) oxygen atoms. Be sure your answer has a unit symbol if necessary, and round it to 2 significant digits. I Don't Know Submit O 2020 McGraw-Hill Edu MacBook DroB Brock Sakai : CHEM 1P91 - Fall X b My Questions | bartleby ChemTeam: Combustion Analys X G oxygen molar mass - Google S X + Ims.brocku.ca/portal/site/90b45528-0b04-4bd2-85b6-897046a1e998/page/7011eaa9-4e38-4b06-9e15-1973abb58ef6 Version 264 Assign 4 1 / 2 100% + 2. A mixture of Na2SO4 and its hydrate Na2SO4-10H2O has a mass of 1.5099 g. After heating to drive off all the water, the mass is only 1.1410 g. What is the weight percentage of Na2SO4•10H2O in the original mixture? Report your answer to 4 significant figures. Molar masses: Na,SO4 142.04 g/mol; Na,SO4•10H2O 322.19 g/mol. 3. MnCl2 reacts with AgNO3 in aqueous solutions to produce a precipitate of AgCl that can be filtered and weighed. The balanced equation for the reaction is: MnCl2 (aq) + 2 A£NO3 (aq) → 2 AgCl (s) + Mn(NO3)2 (aq) Suppose you have a mixture that contains MnCl2, plus other compounds that do not react with AgNO3. If 0.5159 g of the mixture yields 0.8715 g of AgCl, what is the percentage of MnCl2 in the mixture?…- OWLV2 | Assigr X MindTap Cen X gs MindTap - Cen x Gamu of ca Go X b My Questions static/nb/ui/evo/index.html?elSBN=9781337790840&id%3D299783426&snapshotld%3D7857658& CENGAGE MINDTAP Q sea napter 8: Chemical Composition AA e. aluminum sulfate Answer 51. For each of the following samples of ionic substances, calculate the number of moles and mass the positive ions present in each sample. a. 4.25 g of ammonium iodide, NH,I b. 6.31 moles of ammonium sulfide, (NH4), S c. 9.71 g of barium phosphide, BagP2 d. 7.63 moles of calcium phosphate, Caz (PO4)2 52. For each of the following ionic substances, calculate the percentage of the overall molar mas
- B Brock Sakai : CHEM 1P91 - Fall X b My Questions | bartleby ChemTeam: Combustion Analys X G oxygen molar mass - Google S X B Brock Sakai : CHEM 1P91 - Fall x + Ims.brocku.ca/portal/site/90b45528-0b04-4bd2-85b6-897046a1e998/page/7011eaa9-4e38-4b06-9e15-1973abb58ef6 Version 264 Assign 4 1 / 2 100% + equations are: 3 KC1O (aq) → 2 KC1 (aq) + KCIO; (aq) 4 KC1O3 (aq) → 3 KC1O4 (s) + KCI (aq) What mass of KC1O4 (in kg) can be obtained from 2.80 kg of KC1O when these reactions are carried out? Molar masses (g/mol): KC1O 90.55 KC1O4 138.55 5. An organic compound containing only C, H, and possibly O was subjected to combustion analysis. A sample weighing 0.4161 g yielded 0.686 g CO2 and 0.187 g H2O. What is the empirical formula of the compound? 6. For the complete redox reaction given here, (a) break down each reaction into its half reactions; (b) identify the oxidizing agent; and (c) identify the reducing agent. 2 FeCl3 + Zn –→ ZnCl2 + 2 FeCl2 Give the oxidation number of nitrogen in each of…(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 Ne00 %2A # 3. 5o09 awww.awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-lijulplKKWv4bwenmyrLYoBHBAAsJtmzj53GErnx_viTdHblGMF9jvgkSu_nrizREmdQXHPJbMzqOmOrXJcuonZITOhB66q?1oBw7QYlbav. LEKS-Courtney Wh New Tab + x O CHEMICAL REACTIONS Percent yield of chemical reactions Courtney S0 OC Gaseous butane CH. reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (CO,) and gaseous water (H,0). If 2.32 g of water is produced from the reaction of 1.74 g of butane and 10.2 g of oxygen gas, calculate the percent yield of water. Be sure your answer has the correct number of significant digits in it. % 固 Explanation Check ©2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibility 24 %23 2 4. 9. 5. 8. by k 4 69 C. alt 123
- O Rich * Ceng x вЫ Еxcel Bb What X O covI x A Daily x O Amon x e Chat x Conte x A ALEK X A www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNsIkr7j8P3jH-liJOkWvnm4w-aQ-rw-zRhgRnayfmbBs65spEMBxW_NZIUBEIMJCK O Mail - Ava Schied.. O UAConnect e Biology Syllabus Labflow - Courses S Explore - HogSync e Packback Apps B Blackboard Question 2 Objective Knowledge Check Fill in the name and empirical formula of each ionic compound that could be formed from the ions in this table: some ionic compounds cation anion empirical formula name of compound Co 3+ so, Co2+ 10, Zn2+ Bro Ba2+ PO I Don't Know Submit O 2020 McGraw-Hi. MacBook ProTO 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 Dnt x A ALEKS вЬ Еxcel 20 х Yuzu Re x U Labflow x O COVID-1 x e Daily Cri x O Among 8 GivePu A www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-liJOkWynm4w-aQ-rw-zRhgRnayfmbBs65spECOJQ0Zacn81gbBjC9 B Blackboard O Mail - Ava Schied.. O UAConnect 9 Biology Syllabus H Labflow - Courses V Explore - HogSync ? Packback O CHEMICAL REACTIONS Identifying the limiting reactant in a drawing of a mixture The drawing below shows a mixture of molecules: key carbon hydrogen nitrogen sulfur oxygen chlorine Suppose the following chemical reaction can take place in this mixture: CS,(9)+30,(9) - CO2(9)+2 SO,(9) Of which reactant are there the most initial moles? Enter its chemical formula: Of which reactant are there the least initial moles? Enter its chemical formula: Which reactant is the limiting reactant? Enter its chemical formula: Explanation Check © 2020 McGraw-Hill Educa MacBook Pro II
- lit View History Bookmarks Profiles Tab Window ALEKS ||| = ALEKS - Tiffany Te-L-Peng - L X C www-awu.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-liGBdp5ulp5VqUnMDyYPOVaX6q0CRPLZSQ5NDHtEP4AK_RE O ORGANIC OXIDATION AND REDUCTION Predicting the products of alkene ozonolysis Predict the major products of this organic reaction. Explanation Check Help C :0 + + T 1.03 1 2. DMS X 3 A Click and drag to start drawing a structure. Ⓒ2022 McGraw Hill LLC. All Rights ReA ALEKS -ANNETH SUAREZ PALO b My Questions bartleby G chloride gas formula - Google Se + X X X X www-awn.aleks.com/alekscgi/x/lsl.exe/10_u-lgNslkr7j8P3jH=lJxk3WxUPZu2ctUcqMoMnclLczXr-FFXXXD80N _ka_pcCZy5sprvocbD6q.. The magic button (137) YouTube Dashboard Google Sarahah Anneth 1/4 X O CHEMICAL REACTIONS ANNETH Finding mole ratios from chemical formulae This is the chemical formula for epinephrine (the main ingredient in adrenaline): CgH1303N A biochemist has determined by measurements that there are 0.0211 moles of carbon in a sample of epinephrine. How many moles of nitrogen are in the sample? Round your answer to 3 significant digits. mol Explanation Check o2019 McGraw-Hill Education. AJI Rights Reserved. Terms of Use Privacy 9:36Edit View History Bookmarks. Profiles Tab Window Help ALEKS ||| ALEKS - Tiffany Te-L-Peng - L X + www-awu.aleks.com/alekscgi/x/Isl.exe/10_u-IgNslkr7j8P3jH-liGBdp5ulp5VqUnMDyPOVaX6q0CRPLZSQ5NeEtFRBekLt6yRztwY O SUBSTITUTION REACTIONS Predicting the effect of carbocation stability on the rate of... For each pair of substrates below, choose the one that will react faster in a substitution reaction, assuming that: 1. the rate law for the substitution reaction has a first-order dependence on the concentration of the alkyl halide, and 2. doesn't depend on the concentration of the other reactant at all. Substrate A age Explanation CI Check Br B Substrate B CI Faster Rate (Choose one) (Choose one) Choose one) MacBook Pro ▼ ▼ ▼ US X 3 Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms