"Sodium" Essays and Research Papers

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Effects on the Use of Computers

failure. She is awake, alert, oriented, and complaining of severe back pain, nausea and vomiting and abdominal cramps. Her vital signs are blood pressure 100/70 mm Hg, pulse 110, respirations 30, and oral temperature 100.4°F (38°C). Her electrolytes are sodium 120 mEq/L, potassium 5.2 mEq/L; her urinary output for the first 8 hours is 50 ml. The client is displaying signs of which electrolyte imbalance? A. Hyponatremia  B. Hyperkalemia  C. Hyperphosphatemia  D. Hypercalcemia  Assessing the laboratory...

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Physioex 8.0 Exercise 3

with the unheated glass bar? The tracing were similar but the heat increase the action potential 3. What explanation can you provide for this? The heat stimuli generated a stronger nerve impulse Activity 4: Chemical Stimulation 1. Does the sodium chloride generate an action potential? Yes 2. Does this tracing differ from the original threshold stimulus tracing? If so, how? No, they are the same. 3. Does the hydrochloric acid generate an action potential? Yes 4. Does this tracing differ...

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The Properties of Chemical Reactions

different compounds. A compound is a chemical substance that consists of two or more different chemically bonded elements. In this experiment, several different compounds are being worked with – potassium iodide, lead (II) nitrate, acetic acid and sodium bicarbonate. The purpose of this experiment is to determine whether or not a reaction has taken place using qualitative and quantitative analysis. Procedure Part 1 - Qualitative observations of both potassium iodide and lead (II) nitrate were...

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Determining Order from Rates of Reactions

final reaction is signaled by the appearance of a dark blue color. My partners and I investigate how the concentration of the reactants affects the rate of reaction. The purpose of this lab is to find the order of the reaction with the respect to sodium bisulfite (NaHSO3-) and potassium iodate (KIO3-). Materials Safety goggles/glasses Two 200 mL beakers 400 mL beaker Six 100 mL beakers Two 100 mL graduated cylinders 50 mL graduated cylinder Solution 1: 250 mL of a 0.024 M solution of...

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Chlorine and Starch Ts Assay

Chloride Non Aqueous Acidimetry Blank titration Perchloric acid Mercuric acetate TS Crystal violet TS 2 Cl- + Hg (OAC)2 + 2HClO4 2 ClO4- + 2HOAc + 2HgCl2 Assay of Phenytoin Non Aqueous alkalimetry Blank titration Sodium methoxide Saturated sol’n of Azo violet in Benzene H C6H5 N--C=O C C6H5 C-NH + CH3O- O C6H5 N=C-O C C6H5 C-NH + CH3OH O OXIDATION-REDUCTION...

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Iron & Coppersulfate

precisely to ensure no mistakes. This experiment was all about observing. In this experiment, a set of chemicals were used to set up an experiment. The experiment was observed for three days. The chemicals used were copper sulfate (blue crystals), sodium chloride (salt), and iron. Copper sulfate is a chemical compound which is produced commercially by reacting various copper (II) compounds with sulfuric acid [1]. It generally appears as a bright blue or green crystal [1]. Its chemical formula is...

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Rdr Chem 28.1

experiment involved the preparation of the working standard Cu(II) solution of specific concentration from CuSO4•5H2O. A standard sodium thiosulfate (Na2S2O3) solution was also prepared to serve as the titrant for the analysis. Proper handling should be administered for this solution since it decomposes into its component ions when it is exposed to acids, light, and bacteria. Sodium carbonate was added to the solution to act as a preservative. Boiled distilled water was also used in dissolving the crystals...

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Experiment 1 Procedures

Ethanol is flammable Sodium hypochlorite is an oxidizing agent and releases toxic fumes (handle in fume hood) Acetic acid is corrosive, harmful if inhaled, flammable and can cause burns (handle in fume hood) Gloves are recommended to avoid chemical contact with skin Reaction Scheme: Conversion of acetanilide to p-bromoacetanilide Procedure: To a 125 mL Erlenmeyer flask containing a mixture of 95% ethanol (6 mL) and acetic acid (5 mL), dissolve acetanilide (7.4 mmol) and sodium bromide (1.8 g). Place...

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Stoichiometry Quiz

silicates in the glass are attacked by the HF(aq). Sodium silicate(Na2SiO3), for example reacts as follows: 1 Na2SiO3(s) + 8 HF(aq)  H2SiF6(aq) + 2NaF(aq) + 3H2O(l) a. How many moles of HF are needed to react with 0.300 mol Na2SiO3? b. How many grams of NaF form when 0.500 mol of HF reacts with excess sodium silicate? c. How many grams sodium silicate can react with 0.800 g of HF? 4. Automotive air bags inflate when sodium azide, NaN3, rapidly decomposes to its component...

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if you were allowed one wish that would come true,what would it be and why

concentration of 1.0 x 10 . (A) 8 (B) 4 (C) 2 (D) none of these Class X 2 AIMS TALENT EXAM 20. Which element is more reactive in : Zn + CuSO4 ZnSO4 + Cu (A) Zinc (B) Copper (C) Sulphur (D) Oxygen 21. Alcohols react with sodium metal to form sodium alkoxide and ___ gas is liberated. (A) H2 (B) O2 (C) CO2 (D) none of these 22. Trypsin helps in digestion of _____. (A) Proteins (B) Carbohydrates (C) Fats (D) All of these 23. In photosynthesis, photolysis of water is used in _____...

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