Chemical equations are the symbolic representations of chemical reactions that are made up of reactants and products. It is made up of the chemical formulas of the reactants and the chemical formula of the products. The reactants are the substances or chemicals that takes part in during a reaction and the products are the chemicals are the substances that result from the chemical reaction. Reactants are on the left side of the chemical equation and the products are on the right side of the chemical
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indicator [5]. Reduction-oxidation titrations involving iodine were classified mainly into two; Iodimetry and Iodometry. Iodimetry was a direct method involving only one reaction between the titrant and the analyte [6]. ( )( ( ) )( ( ( ) ) ) In Reaction 1‚ the analyte of unknown concentration was titrated against the standard Iodine solution. It reduced the titrant‚ Iodine (I2)‚ into Iodide; while the titrant acted as oxidizing agent to the analyte. The reduction of iodine
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40° C‚ how much potassium _ __nitrate coin be dissoiu$tl ^n 30D.g of water? ------W- ’1 80 70 ...- O --60 0 5© 40 4. Which salt shows the least change 30 In solubility from 0° - 100° C? 20 10 At 30° C‚ 90 g of sodium nitrate Is 0 20 30 40 50 60 70 80 90 100 Temperature (0 °C) dissolved in 100 g of water. Is this solution saturated ‚ unsaturated or supersaturated? tat r 6. A saturated-solution-of-potassium chlorate is formed from one hundred grams
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Δ(Product) Δ(Time) http://www.one-school.net/notes.html Rate of Reaction = 1 Δ(Product) Δ(Time) ONE-SCHOOL.NET Chemical Reaction Precipitation of Sulphur 2HCl(aq) + Na2S2O3(aq) ⎯→ 2NaCl(aq) + S(s) + SO2(g) + H2O(l) Na2S2O3: Sodium thiosulphate Notes: 1. Yellow precipitate (sulphur) is formed. 2. The reaction is slow. Potassium Dichromate (VI) with Ethanedioic Acid Cr2O72- + 14H+ + 3C2O42- ⎯→ 6CO2 + 7H2O + 2Cr3+ Notes: 1. In the reaction‚ the orange colour of the
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Displacement Reaction In a double displacement or metathesis reaction two compounds exchange bonds or ions in order to form different compounds. AB + CD ? AD + CB An example of a double displacement reaction occurs between sodium chloride and silver nitrate to form sodium nitrate and silver chloride. NaCl(aq) + AgNO3(aq) ? NaNO3(aq) + AgCl(s) Acid-Base Reaction An acid-base reaction is type of double displacement reaction that occurs between an acid and a base. The
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the term used to label reactions in which the acceptance of an electron (reduction) by a material is matched with the donation of an electron (oxidation). A large number of the reactions already mentioned in the Reactions chapter are redox reactions. Synthesis reactions are also redox reactions if there is an exchange of electrons to make an ionic bond. If chlorine gas is added to sodium metal to make sodium chloride‚ the sodium has donated an electron and the chlorine has accepted an electron to become
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The blood was collected from the retro-orbital plexus on 10th day from animals and they were anesthetized using sodium phenobarbitone (60 mg/kg). The serum was separated by centrifugation at 1000 rpm for 10 min and analyzed for biochemical parameters such as serum urea‚ uric acid and electrolytes. Serum urea was measured using the commercially available kit
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HUN1201 Exam III Study Guide Chapter 14 1) Fuel/energy needs for Physical Activity (different intensities)‚ during and post exercise -Adenosine triphosphate (ATP): o The energy-carrying molecule in the body (ATP must be generated continuously since muscles store only enough ATP for 1–3 secs of activity) -Creatine phosphate (CP): • Stores energy that can be used to make ATP • 3−15 seconds of maximal physical effort *(0-3 sec) 100% ATP/CP *(10-12 sec) 50% ATP/CP 50% Carbohydrates
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Hydrochloric acid‚ HCl‚ 6 M‚ 125 mL* Nitric acid‚ HNO3‚ 6 M‚ 125 mL* Ammonia‚ NH3‚ 6 M‚ 125 mL* Sulfuric acid‚ H2SO4‚ 6 M‚ 125 mL* Acetic acid‚ CH3COOH‚ 6 M‚ 125 mL* Sodium chloride‚ NaCl‚ 0.2 M‚ 100 mL* Sodium carbonate‚ Na2CO3‚ 0.2 M‚ 100 mL* Sodium hydroxide‚ 6 M‚ 100 mL* Sodium sulfate‚ Na2SO4‚ 0.2 M‚ 100 mL* Sodium nitrate‚ NaNO3‚ 0.2 M‚ 100 mL* Barium chloride‚ BaCl2‚ 0.1 M‚ 100 mL* Barium hydroxide‚ Ba(OH)2‚ 5 g* Potassium thiocynate‚ KSCN‚ 0.1 M‚ 100 mL* Potassium ferrocyanide
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INTRODUCTION Meat will be an important source for high protein and Vitamin B12 since ancient times. As times goes by‚ people realized how important meat is crucial for giving energy‚ muscle building purposes and more‚ the need towards meat product has been increased and the way to preserved this food has been a concerning matter all along as it is a high perishable food due to its high water activity level. Therefore‚ various ways to preserve meat products have been introduced and these meat products
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