UM College of Arts and Sciences Education 2nd Floor, DPT Building, Matina Campus, Davao City The University of Mindanao Phone No.: (082)300-5456/305-0647 Local 134 LET'S ANALYZE Activity #37. Balance the following equations and indicate the types of reaction. Reaction 1. BaCl2 + KIO: → Ba(IO )2 + KCI 2. H2SO4 + NaCN → HCN + NazSO 3. Sn + NaOH > NazSnO, + Hz 4. K+ Brz→ KBr 5 Sb + 12 → Sbla 6. Sr + O2 → SrO 7 KCIO > KCI + 0, 8. Reaction: Reaction Reaction: Reaction: Reaction Reaction Reaction: Reaction: Reaction H, + F2> HE 9 Fe + Oz→ Fe:O 10 Mg + HCI) M9CI, + H
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- sid ate X OWLV2 | Onlinet X al 112021 X C Ais*war ment/takeCovalentActivity.do?locator-Dassignment-take Gmail O YouTube * Maps Attendance March... M ClassroomClipboar. RealClearMarkets 4... 国 Furnave 11:0 absorber CO2 absorber Sample When 4.766 grams of a hydrocarbon, C,H,, were burned in a combustion analysis apparatus, 14.60 grams of CO, and 6.976 grams of H,O were produced. In a separate experiment, the molar mass of the compound was found to be 86.18 g/mol. Determine the empirical formula and the molecular formula of the hydrocarbon. Enter the elements in the order presented in the question. empirical formula = molecular formula Submit Ancwor. 4 mora nroun attemnte romaining 10:30 PM .09 10/11/2021 近0 63) ins prt sc f12 delete pue Ol4 hackcraco unu(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 NeEach of these reactant pairs may or may not react. If the reaction will happen, write the complete balanced chemical equation. If it won't happen, state the reason why not. a. Pb(s) + Al2(CO3)3 > b. Na + K→ B I u、ケ=▼ 三v = of Paragraph + v ... Lato (Recom.. 19px EQ 12 Add a File Record Audio Record Video
- A prod01-cnow-owl.cengagenow.com/ilm/takeAssignment/takeCXPCompliantActivity.do?locator: CHAPTER 14 - THE IDÉAL GAS LAW AND ITS APPLICATIONS O Previous Page 8 of 8 Next O What volume of N,, measured at 24 °C and 733 mm Hg, will b produced by the decomposition of 11.4 g NaN3? 2 NaN3(S) → 2 Na(s) + 3 N,(g) 2.96 L O 0.538 L O 4.44 L O 23.3 L O 6.65 L ip 2$OWLV2 | Online teaching and X 0mySigTau xb Login | bartleby X M COMM.1113: FUND OF ORA X G what food has c - Google Se X + om/ilrm/takeAssignment/takeCovalentActivity.do?locator=assignment-take D [References] hotogray lenses incorporate small amounts of silver chloride in the glass of the lens. When light hits the AgCl particles, the following reaction occurs: hv AgCl Ag + Cl The silver metal that is formed causes the lenses to darken. The enthalpy change for this reaction is 2.90 × 10² kJ/mol. Assuming all this energy must be supplied by light, what is the maximum vavelength of light that can cause this reaction? Wavelength %3D nm Submit Answer Try Another Version 3 item attempts remaining Previous NextN-mh9Q_Lby/o81Y1_cekwly?1oBw7QYjlbavb International Stude.. A Checkout Shippin.. Seedlang | Start Sp... Classic Rock 80's -. C Courses at Kutztow.. Pennsylvania Acces. * Department of Hu.. O CHEMICAL REACTIONS Solving for a reactant using a chemical equation Ammonium perchlorate (NH,Clo,) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts with itself to produce nitrogen gas (N,), chlorine gas (Cl,), oxygen gas (O,), water (H,O), and a great deal of energy. What mass of nitrogen gas is produced by the reaction of 5.43 g of ammonium perchlorate? Round your answer to 3 significant digits. II
- Content * OWLV2 | Online teaching and le x Nomenciature of Oxyacid tx & cvg.cengagenow.com/ilrn/takeAssignment/takeCXPCompliantActivity.do?locator%=assignment-take OPrevigus Page 2 of 5 Next O References Use the References to access important values if needed for this question. Be sure to specify states such as (aq) or (s). Use H30* for the hydronium ion. If a box is not needed leave it blank. If no reaction occurs leave all boxes blank and click on "submit" Write a net ionic equation for the reaction that occurs when aqueous solutions of hydrobromic acid and barium hydroxide are combined. +] gage mfo/ais-asp/takeMasteringChemistry .edu/webapps/assessment/take/launch.jsp?course_assessment_id%3_1575667_1&course_id%3_592130_1&content_id%3D_39106439 18 Up pe Maps M Gmail YouTube O Maps * Question Completion Status: QUESTION 4 A student takes 92 ml of a 0.0245 molar KOH solution and dilutes it to a final volume of 4,314.5. What is the pH of that resultant dilute solution? (report pH to two decimal places and include NO units in your answer) QUESTION 5 A student is told by their chemistry professor that he thinks he remembers that the ion product constant for water (Kw) has a value of 1.51x10-14 provided by their chemistry professor from his questionable memory, what is the calculated pH of water at 40 °C ? (Enter your number with 2 decimal places and do NOT include "pH" as a unit in your answer.) when water has the same temperature as that of a human running a hot fever of 40 °C. Based only on this information QUESTION 6 Given the information for equilibria (1) and (2) below, find the equilibrium…/cvg.cengagenow.com/ilm/takeAssignment/takeCovalentActivity.do?locator=Dassignment-take&takeAssignmentSessionLoca [References] Sodium bicarbonate and acetic acid react according to the equation NAHCO, (aq)+ CH, CO, H(aq) NaCH, C0,(() + CO2(g) +H,O(t) What mass of sodium acetate can be obtained from mixing 10.0 g of NaHCO, with 300, mL of 0.450 M acetic acid? Mass Submit Amswer Try Another Version 10 item attempts remaining
- R 400m N CO₂tBu OH CO₂Me Ph LDA THF, -78 °C silica gel 6 days room temperature R MeO₂C NCO₂Bu CHO CO,Me I + H₂O56EF3A79haQqAAmRHdBhZQvrwNmdPsuA4 Ing and Conditions Subject Test pard Note: - You are attempting question 5 out of 12 To find the Ce content of a solid, 4.37 g were dissolved and treated with excess iodate to precipitate Ce (IO,),. The precipitate was collected, washed well, dried, and ignited to produce 0.104 g of CeO, (FM: 172.114). What was the weight percent of Ce in the original solid? (A) 1.84% (B) 1.49% (C) 1.94% (D) 1.74% Answer A B Submit P Type here to search 王 立Data Mass of unknown metal Cark te ?l.005g Volume of uniknown solotion CmL) Volume of HCI added Inital burct readinglmL) Final buret reading (mL) 20.00ML (mL) 15.00mL 20.SSmL 30.90ML Volume Na OH delivered (m L) Concentration of HCI: O.1708M Concentrahon of NaOH: O.1000M * Pipetted 10.35mL 20.00mL Of solution prepared in 250.0 mL volumetric flask Questions', 1. Calalate the number of moles of Na OH used for back titration? 2. Calculate the number of moles moles of metal carbonate present in 20.00mL portion of the metal Carborate soltion? 3. Calculate molar masS of 3.Calculate in knon metal carbongte