completion or not. In order for a reaction to go to completion it must have one of the following three things. First‚ a gas is produced. This gas is usually H2‚ O2‚ or CO2. Secondly‚ a covalent compound (such as water) is formed. Finally‚ a precipitate (solid) is formed. When none of those things happen it is considered to be "no reaction." When one of those things does happen the reaction is considered to be "completed." It is considered to be completed because all of the reagents in the sample have completely
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Do ionic compounds conduct electricity as: (3 points) Link: http://antoine.frostburg.edu/chem/senese/101/compounds/faq/print-properties-ionic-vs-covalent.shtml Solids? No Liquids? Yes Aqueous solutions (when the ionic compounds are dissolved in water)? Yes Do covalent compounds conduct electricity as: (3 points) Solids? no Liquids? No Aqueous solutions (when the covalent compounds are dissolved in water)? No
Free Ionic bond Chemical bond Covalent bond
Part I: Lab Insert completed data tables for each part of the lab. Be sure that the data tables are organized and include units when necessary. Conductivity (4 points Solid Liquid Aqueous Solution Substance A Conductive No Yes Yes Substance B Conductive Yes No No Substance C Conductive No Yes Yes Substance D Conductive Yes No No Part II: Conclusion Answer the following questions in your own words‚ using complete sentences. Based on your observations in the lab
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Synthesis and IR Analysis of trans-[Bis(inosinato)palladium(II)] Abstract In this lab we synthesized trans-[Bis(inosinato) palladium(II)] for IR analysis. After completion of the reaction 84.4% of the product was collected. IR spectrum of the product and inosine was analyzed to determine how the inosine is bonded to the metal‚ palladium. From the IR analysis‚ it was determined that when inosine reacts with palladium‚ a shift of about 65 cm-1 in the carbonyl stretch was observed. Introduction:
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Analytical Chemistry Daniel C. Harris: 7-4‚ 8‚10‚12‚16 7-4) A 1.000g sample of unknown analyzed by Reaction 7-2 gave 2.500g of bis(dimethylglyoximate) nickel(II). Find the wt% of Ni in the unknown. 7-8) The man in the vat. Once upon a time‚ a workman at a dye factory fell into a vat containing a hot concentrated mixture of sulfuric and nitric acids‚ and he dissolved! Because nobody witnessed the accident‚ it was necessary to prove that he fell in so that the man’s wife could collect his insurance
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components. The process: “panacetin” + Dichloromethane Solid sucrose + aspirin + unknown component (By Filtration) Aspirin + unknown components + NaOH aqueous layer + organic layer Aqueous layer + HCl aspirin (By filtration) Organic layer Unknown (By Evaporation) Procedure and Observation: 0.30093 g of panacetin was weighed and mixed well with 50 ml of dichloromethane. After stirring the solution thoroughly‚ some solid is formed (solid sucrose) and liquid. With using a preweighed filter
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29.13 g 4.00 mL 3.85 g 6 30.22 g 5.00 mL 4.94 g Data: Density of a Solid 1 Run Mass of Cylinder Initial Volume of Water Final Volume of Volume of Water object 1 29.3 g 4.00 mL 4.00 mL 0.00 mL 2 33.0 g 4.00 mL 4.50 mL 0.50 mL 3 35.5 g 4.50 mL 4.80 mL 0.80 mL 4 39.4 g 4.80 mL 5.40 mL 1.40 mL 5 43.3 g 5.40 mL 5.60 mL 1.60 mL 1 Ciara Clark and Caroline Bedenbaugh 4A Data: Density of a Solid 2 Run Mass of cylinder initial volume of water Final volume of water
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Wood frog-protects its organs by freezing solid. Ice wine-frozen grapes-the shrunken nature of the grapes is due to water loss-the less water in grapes‚ the fewer ice crystals there are to damage the delicate membranes of the fruit. Sugar is a natural antifreeze- this is probably why people developed diabetes during ice age (younger dryas) and people nowadays are more frequently diagnosed with diabetes from November to Freburary‚ when it is colder. Natural selection survival rule-LOSE THE FINGER
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From the experiment‚ it was determined that Sodium chloride had a crystalline structure‚ even after being broken into smaller pieces with a hammer. Even though there was two different types of Sodium chloride‚ coarse and fine‚ they still had a symmetrical‚ three-dimensional shape. All ionic compounds have this structure. It was also found that Sodium chloride had a high melting point and sugar had a low melting point. This is because Sodium chloride is ionic and the bonds holding it together take
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is methylphenoxyacetic acid‚ a phenolic ether that is prepared from a methylphenol (cresol) and chloroacetic acid. The methylphenoxyacetic acid family is of interest for several reasons: 1) The products are easily prepared crystalline solids‚ which serve as solid derivatives whose melting points can be used to identify the liquid phenol starting materials. 2) Several well-known herbicides are members of this class of compounds‚ especially 2‚4-dichlorophenoxyacetic acid (2‚4-D) and 2‚4‚5-trichlorophenoxyacetic
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