2 > A sample of gas occupies a volume of 50.7 mL. As it expands, it does 123.5 J of work on its surroundings at a constant pressure of 783 Torr. What is the final volume of the gas?
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- 50 Percentage Red No. 40 Soln 100% 80% 60% 40% Table 4.1: Dilutions of Red No. 40 & Absorbance Volume of Red No. 40 Soln (mL) 10me 8mL опи 4mL Percentage Red No. 40 Soln 100% 80% 60% 40% 20% Volume of DI Water (mL) OML 2mL LIML M UML 8ML Table 4.2: Dilutions of Red No. 40 & Absorbance Concentration Red No. 40 2. Report the wavelength with the maximum absorbance of Red No. 40 dye. Absorbance 20% 2ML Part A: Making a Calibration Curve for Beer's Law 1. Calculate the concentrations of each of your diluted Red No. 40 solutions and add these to Table 4.2. Show at least one sample calculation in the space below. 0.251 0.192 Total Volume 0.181 0·119 0.060 (mL) 10 mL 10 mL 10 mL 10 mL 10 mLS & Post-Ax d Al2_Sin x > School x 8 Post-A: x ☐ bcps.schoology.com/common-assessment-delivery/start/6425623769?action=onresume&submissionid=969196920 NGLSync Portal Ho..... S week of 12/20 Post-Assessment Unit 1 LC2 S Grades X 6 School X S Pre-As X Identify the type of the reaction for each chemical equation. a. 2 Ag₂O → 4 Ag + O₂ b. CaO + H₂O → Ca(OH)₂ c. Pb(NO3)2 +KI → Pbl2 + 2 KNO31 Meet - nfw-jxsi-wtd 1 # Synthesis (A + B Ⓡ AB) d Al2_Sin x G The foll x G rocket x P Quizizz CPM CPM eBooks Index... Mycoplasma pneu... a Quizizz СРМ :: Single Replacement (AB+C ⓇAC + B) S Double Replacement (AB + CD ⓇAD + CB) :: Decomposition (ABⓇA + B) P 1 2DL IXL - Area and circur X E Hamilton w K Maya Paniagua - Sto x K Maya Paniagua - L10 X Stoichiometry Introd x amihq.com/web/viewer.html?state=%7B"ids"%3A%5B"1Jb_fUymErbX45jcXDbRuMhdNQC9zAIBE"%5D%2C*action"%3. Paniagua - Cl. 115% e A Kami Uploads Maya Paniagua - Stoichiometry WS1.pdf Chemistry Stoichiometry WS #1 Show all work!! No work = no credit! Per Date Name Mole to Mole Stoichiometry 1) For the reaction between magnesium fluoride and lead (IV) nitrate, there are 12 mol of magnesium fluoride available: a. Write and balance the chemical equation, indicate the type of reaction b. Find the mole amount of each species in the chemical reaction c. How many moles of the solid precipitate are formed?
- Sample 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 “drift†of the resistance readings?C.What is the equation of your best-fit line?D.What commercial drink did you analyze?E.Assuming…119 X My Course X Macmillan: X Course Mo X What is the FORMULA for the limiting reagent? Submit Answer Sections 5 X .com/static/nb/ui/evo/index.html?deploymentid=5735112480241329813180832311&elSBN=9781305862883&id=1707786042&snapshoti... Use the References to access important valdes ir needed for this question. 900 For the following reaction, 9.43 grams of carbon (graphite) are allowed to react with 28.5 grams of oxygen gas. carbon (graphite) (s) + oxygen (g) carbon dioxide (g) What is the maximum amount of carbon dioxide that can be formed? What amount of the excess reagent remains after the reaction is complete? HOMEWOR X MacBook Air MindTap - C X GI grams gramsn eFundi : NCHE 121 1- NCHE 121 - Test 8 - Ve x G c8h12i iupac name - C X b My Questions | bartleb x R° (PDF) The Fourth Indu: X R° (PDF) In dis tree - 4 W x A docs.google.com/forms/d/e/1FAlpQLScN5aWT0bzfQAgIF5ETgigA7N4LhreJo3ILGJ6Zwl0D7iboNQ/formResponse Question 2: Which one of the structures in Figure 2 is a tertiary haloalkane? * A None of these compounds are tertiary haloalkanes. Figure 2 Br Br Br Br 17:30 P Type here to search 38°C Partly sunny 2021/11/04
- 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. MnO2B 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…our X Macmilla X ack 3 2/0 D Course MC X moles ammonla Sections X /evo/index.html?deploymentid=5735112480241329813180832311&elSBN=9781305862883&id=1707786042&snapshoti... Submit Answer References Use the References to access Important values if needed for this question. According to the following reaction, how many moles of nitrogen monoxide will be formed upon the complete reaction of 0.636 moles nitrogen gas with excess oxygen gas? nitrogen (g) + oxygen (g) nitrogen monoxide (g) moles nitrogen monoxide Stoichiometry of Reactions: Mole to Mole: This is group attempt 1 of 10 HOMEWOO X 川口~~ A~ V MindTap x 6 3 0 MacBook Air Gatoms to According to the following reaction, how many moles of ammonia will be formed upon the complete reaction of 0.862 moles' ammonium chloride? ammonium chloride (aq) ammonia (g) + hydrochloric acid (aq) Autosaved at 5:51 PM X MS Done O
- Expt. 5 Quiz (. - O Search (Alt+Q) nerbsl@yahoo.com N ert Draw Design Layout References Mailings Review View Help O Find - Replace dy) - 11 - A A Aav Ap AaBbCcDc AaBbCcDc AaBbCc AABBCCD Jv ab x, x A D A v 三加 、么、田、 1 Normal 1 No Spac. Heading 1 Heading 2 Dictate Sensitivit A Select Font Paragraph Styles Editing Voice Sensitivity 8) In the reversible reaction [Co(H,O)6]²*(aq) + 4CI (aq) +→[Co(H,O),Cl4]² (aq) + 4H,O(1), the initial color of the reaction mixture was pink. When concentrated HCI (aq) was added to the reaction mixture, the color changed to purple. Which reactant is purple and why? a) [Co(H2O)6]²*(aq) is purple because it is a cobalt compound b) [Co(H2O)6]²*(ag) is purple because adding Cl (as HCI) shifted the reaction towards products c) HCl is purple because adding it turned the reaction purple d) [Co(H2O),ClĄ]? (aq) is purple because adding CI (as HCI) shifted the reaction towards products 10 words Tet Predictions: On Accessibility: Investigate D Focus Type here to search…n eFundi : NCHE 121 1- NCHE 121 - Test 8 - Ve X G c8h12i iupac name - C X b My Questions | bartleb x R° (PDF) The Fourth Indu: X R° (PDF) In dis tree - 4 W x A docs.google.com/forms/d/e/1FAlpQLScN5aWTObzfQAgIF5ETgigA7N4LhreJo3ILGJ6Zwl0D7iboNQ/formResponse Question 3: Which of the following intermolecular forces would you expect between the haloalkane molecules in Figure 3? * Hydrogen bonds Dipole-dipole forces Dipole-induced dipole forces Induced dipole-induced dipole forces Figure 3 17:30 P Type here to search 38°C Partly sunny 2021/11/04P TrueVision HD blackboard.uob.edu.bh/ultra/courses/ 19902 1/outline/assessment/ 452605 1/overview/e 1768814 1?cou Voitmeter e e salt bridge Fe KCI Cu FeSO4 CUSO,
