Nonelectrolytes Glucose 6. List the major extracellular and intracellular cations and anions a. Extracellular cations: Sodium‚ Potassium‚ Calcium and Magnesium anions: Bicarbonate‚ Sulfate‚ Protein‚ Organic acids‚ Phosphates‚ and Chloride b. Intracellular cations: Sodium‚ Potassium and Magnesium anions: Bicarbonate‚ Sulfate‚ Protein‚ Phosphates and Chloride 7. Within a fluid compartment‚ the total number of positive charges must be equal to the total number of negative charges. 8. Name four of
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AP Chemistry 12/13/11 Round-Trip Copper Reactions Lab The purpose of this lab was to evaluate our skills of decanting a supernatant liquid without losing the solid and successful completion of a series of reactions. This was done through five chemical reactions involving copper. In this lab‚ elemental copper was put through five different chemical reactions in order to convert it into different compounds. By the end of the fifth reaction‚ the copper was back to its elemental state. In the
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sand filter‚ upflow sand filter‚ and slow sand filter. Slow sand filter is like the white sand that doesn’t need chemicals to produce high quality of water so we chose slow sand filter. Rocks and pebbles contain inorganic minerals that can dissolve sulfates and other chemicals of the canal water. We decided to do this process by layer to layer using bottles. We also used cotton cloth per layer and filter paper in the black carbon and filtration sand. II. The Water Treatment Tools Layer by Layer
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Chemical Reactions Lab Synthesis Reactions: Synthesis reactions occur when two elements or compounds combine to create one single compound. The general equation of synthesis reactions is: A+B→AB. The following are the complete balanced equations for the five synthesis reactions performed in the lab. Reaction 1: Reaction 2: Reaction 3: Reaction 4: Reaction 5: The reaction of CO2 and water is a prime example of a synthesis reaction. This is a synthesis reaction because it follows the general
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Experiment 5 Determination of Empirical Formulas of Hydrate and Oxide Compounds Room #216 Locker# 1137 Date of Experiment: May 11‚ 2014 Date of Submission: May 16‚ 2014 Purpose: To determine the identity of an unknown hydrated salt calculating the percent water loss after heating and also to determine the empirical formula of magnesium oxide. Results: Table 1: Determination of the mass of waters of hydration of an unknown hydrated compound. Hydrated Compound code: C-14 Mass
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BIOREMEDIATION SMALL SOLUTIONS TO BIG PROBLEMS Prof Esta van Heerden | 051 401 2472 | vheerde@ufs.ac.za Dr Peter Williams | 051 401 9039 | williamspj@ufs.ac.za Mrs Elizabeth Ojo | 051 401 9897 | ojoao@ufs.ac.za Mr Kay Kuloyo | 051 401 3721 | kuloyooo@ufs.ac.za Mr Rohan Posthumus | 051 4013391 | posthumusjj@ufs.ac.za BACKGROUND Bioremediation is the use of living organisms‚ primarily microorganisms‚ to degrade environmental contaminants into less toxic forms. Research has demonstrated that there
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Hydrogen: HCO3– bicarbonate ion or hydrogen carbonate ion HSO4– bisulfate ion or hydrogen sulfate ion NO3– NO2– nitrate ion nitrite ion MnO4– permanganate ion H2PO4– Others: CN– dihydrogen phosphate ion cyanide ion OH– hydroxide ion SCN– thiocyanate ion C2H3O2– acetate ion (Often written as CH3COO–) -2 Oxyanions: CO32– carbonate ion SO42– SO32– sulfate ion sulfite ion CrO42– Cr2O72– C2O42– S2O32– chromate ion dichromate ion oxalate
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with potassium permanganate. The molarity of the permanganate was then found because the molarity of the H2C2O4 and H2SO4 were already known. Then hydroxylammonium chloride and ferric sulfate and water was titrated with known potassium permanganate to get the molarity of the hydroxylammonium chloride and ferric sulfate solution‚ and that was used to find the number of moles of Fe+3 which reacts with one mole of NH3OH+ to find the missing part of the equation. Calculations: 0.103 moles/1000 mL = .00103
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if medical attention is not given‚ the situation may be life threatening. What is the treatment of Heparin overdose? The medical care provider will give protamine sulfate through slow infusion. The amount of administered will depend on the excess Heparin taken. Normally‚ 100 units of Heparin is neutralized by 1mg of protamine sulfate‚ however‚ the maximum amount given is 50 mg within a period of 10 minute and the amount needed reduces
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surface area. Apparatus and Materials Available 3 x 250 mL beakers magnesium ribbon (1 cm) 3 x test tubes magnesium powder test tube rack mossy zinc 10 mL graduated cylinder copper turnings 3 x Alka Seltzer® tablets copper(II) sulfate 0.1 M hydrochloric acid‚ HCl hot bath 1.0 M hydrochloric acid‚ HCl ice bath 6.0 M hydrochloric acid‚ HCl steel wool pieces of zinc (1 cm x 1 cm) thermometer *additional materials may be made available upon request*
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