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- profewet trincitim state prduct paduct complet Conditims include reafentune (hgh/lom) ard equivalence reaśund %23Calculation of AH; of Magnesium Oxide Mg + 2 HCI MgCl2 * Hz2 AH, = kJ/mole MgCl2 +H2O > Mgo + 2 HCI -AH2 = kJ/mole He + 를 O2 + H2O AH3 = - 286 kJ/mole net: Mg + 을 O2- MgO 사Hnet = kJ/mole The literature value for the AHf of magnesium oxide is -602 kJ/mole.used in the manufacture of cement: ate rock (limestone) is heated to produce the quicklime, i.e., calcium oxide, Carbon dioxide is also released into the atmosphere when calcium carbon- PROBLEM 44 CACO3(s) CaO(s) + CO;(g) Calculate the mass, in metric tons, of CO2 released per metric ton of lime- une used in this process. What is the mass of carbon that the air gains for each of carbon dioxide that enters the atmosphere? Note that at least gram os much carbon dioxide is released from combustion of the fossil fuel needed to heat the limestone as is released from the limestone itself.
- Stoichiometric coefficients are used to describe the mole ratio. "F Mostly sunny F1 ! O Q A 1 N True F2 @ 2 W S F3 Alt -Ő+ X #M 3 E F4 D $ 4 C F5 R F % 5 V F6 T ☆ G F7 A 6 a Y B F8 & 7 H U N F9 ★ 8 J - F10 M ( 9 K F11 O < False 3 ) 0 L Alt F12 P E A Cthe balanced equatun Using 06 +603 et gram3 Hy O produad oF findthe number from 220g of Cate Ocquuestion #1O Triat शर 1.50 1.50 2.00 2. 3.00 1.50 3 2.00 4.00 3.00 3:00 at es Hurate ralp Eomlant in wreadio above
- 4. A new procedure for the determination of sulfur in coal was tested on a standard coal sample with a certified value of 2.14% sulfur by mass. The new procedure gave results of 2.11%, 2.07%, 2.04%, 2.06%, and 2.16% for five separate determinations. a) Does the new procedure give the correct result at the 95% confidence level? b) Does the new procedure give the correct result at the 90% confidence level?Hydrogen sulfide will react with water as shown in the following reactions.H2S(g) + H2O(l) ⟷⟷ H3O+(aq) + HS–(aq) K1 = 1.0 × 10–7HS–(aq) + H2O(l) ⟷⟷ H3O+(aq) + S2–(aq) K2 =?H2S(g) + 2H2O(l) ⟷⟷ 2H3O+(aq) + S2–(aq) K3 = 1.3 × 10–20What is the value of K2?Iron combines wim chiorine gas accordrng to the Foilobing balanced equanon: 2Fe t 3C12 →2FEC13 If 15.0 mol OF Iron combines Wim Cxcess Chionine gas, and 12.2 m01 OF Fecl3 13 produceod.wnatis me percent Yield For tmis reachon A81.3%. . 20.0%. SH.2% 64.1%
- 1. Given the equation for the combustion of isopropyl alcohol 2 C3H7OH +9 02 6 CO2 +8 H2O Set up the mole ratio of (a) CO2 to C3H7OH (b) C3H7OH to 02 (c) O2 to CO2 (d) H2O to C3H7OH (e) CO2 to H2O (f) H2O to O21. CH31 (excess) 2. Ag20, H2O, heat NH2O Course Home b Details | bartleby O X -> A openvellum.ecollege.com/course.html?courseld=16561285&OpenVellumHMAC=dd25775cc7b85cec3204f753df519590#10001 Q * E Apps O Maps E Connect - To Do As... O ocCC Moodle P chem work b help A Balance Chemical E. Gmail YouTube CHEM-1123-EW40S Late Spring 2021 Sign Out Help Hi, ashlee v Mastering Chemistry Course Home O My Courses Syllabus Part A Scores Identify which of the following are carbohydrates. Check all that apply. еТext • View Available Hint(s) Document Sharing Но User Settings CH, Course Tools > H CH-O, H OH H C-C OH H OH OH H H O H-Ö -NH, H. ОН ОН ОН H H H H-C- -C С—С—ОН ОН ОН ОНн O H O HO-C- -C-C-OH ОН ОН ОН 10:39 PM P Type here to search 99 3/10/2021