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- College of Teacher Bachelor of Secondary Education *promoting pedagogical excellence elor of Sec omoting pedage RIN ht: (a) (b) Br. C. CH3 b1. HNO3, H2SO4 2. Fe, H30*r H2/Pd s / oD Br NO2 (c) KMN04 7 (d) Cl CH3CH2CH2CI AICI3 H20 7. OCH3 4. Predict the major product(s) of the following reactions: OM (a) CI (b) CH CH CH3CH2C! AICI3 CH3CH2COCI AICI3 (c) CO2H HNO3 (d) N(CH2CH3)2 H2SO4 SO, H2SO4 ASITYWhat arc the advantages of microfabricated ISEs? Describe typical applications of this type of sensor.4m K R EMetals H X Se.com/u/1/c/MTUAMTYZNTK2OTM3/a/Mig0NjcAMzk0ODA4/delails tals Homework Packet 18.pdf Oper wth UNDERSTANDING ORES Most ores look like ordinary rocks. You would not guess that they contain shiny metal. The earth's crust is made up of many minerals. Minerals can be defined as naturally occuring chemical elements and compounds. People have discovered more than 2,000 different minerals. Many of these contain metals. But because the metal elements are linked with other elements in the minerals, the metals do not show all of their properties. Figure A 1. Most minerals are elements, compounds 2. In order to free the metal from the other elements, a mineral must be synthesized, decomposed Page 3 I 6 Q +
- ll T-Mobile Wi-Fi ? 2:31 PM @ 7 51% 23obrienm Fer... CHE222 Ch 9.2 Balancing & Classifying Chemical Reactions Types of Chemical Reactions Balancing Chemical Reactions 1)_ N, + H, - NH, 2) KCIO, → _ KCl + O, 3) NaCl + F, -__ NaF + Cl, 4) Н, + H̟0 5) _CH, + 0, →. СО, + H,O 6) _C,H, +_ 0, → __CO, + H,0 7) С,Н, + 0,- _CO, + H,0 8) P + _0, → __P,O, 9) Na + H,O → NaOH + H, 10) Ag,O → __Ag + _0, 11) S, + _SO, 12) K + MgBr,→ KBr + _MgA soil is analyzed for total iron content by dissolving 0.1 g of soil in 10 mL of acid and digesting in a pressure bomb. The digest is filtered, diluted to a final volume of 100 mL, and analyzed for Fe. The total Fe in solution is 40 mg L-1. What is the total iron concentration in the soil in mg kg (ppm) and mmol kg 1? (Atomic wt. Fe = 55.8 g mole-1) (Show your work) %3DThe water supply for a midwestern city contains the followingimpurities: coarse sand, finely divided particulates,nitrate ions, trihalomethanes, dissolved phosphorus in theform of phosphates, potentially harmful bacterial strains,dissolved organic substances. Which of the following processesor agents, if any, is effective in removing each ofthese impurities: coarse sand filtration, activated carbonfiltration, aeration, ozonization, precipitation with aluminumhydroxide?
- ProvidethecanreetuPACname OMCMasteringChemistry .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…OH and 0.20M NaCH3COO? !! II 12 2.
- 12:50 ← d2fcc1b0-17ba-42ff-a... 15/24 SCIENCE (086) 9 જે SCIENCE 224 Science Project Create a comprehensive and informative project on ' Natural resources' in the form of an artistically crafted, decorated project file Include pictures, illustrations,examples, surveys, advertisements, newspaper cuttings and headings etc in your project to make your project appealing, relevant, easy to understand and memorable Keypoints . Introduction to Natural Resources • Air pollution and its causes Water pollution and its causes Soil pollution and its causes . Biogeochemical Cycles 1. Oxygen Cycle 2. Carbon Cycle 3. Nitrogen Cycle 4. Water Cycle Rain and effect of acid rain . Green-house Effect Ozone Layer and reason for ozone depletion Assignment Sheet 1.Look at Fig. 1.1 and suggest in which of the vessels A,B, C or D the rate of evaporation will be the highest? Explain. PDF to Long Images PDF to Images =What constitutes a 'reference material', and why does its utilization play a criticalrole in the chemical analysis of food products? Provide examples.Identify the type of reaction taking place, predict the products, and balance the equation.
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