final product‚ which is called ________. 6. For further derivation of energy‚ aerobic cells must convert pyruvate into acetyl coenzyme A by stripping off a C02 molecule. This process is known as ___________. 7. All of the reactions of glucose oxidation that follow glycolysis involving the transfer of electrons to their final acceptor‚ oxygen‚ take place in eukaryotic cells in the ___________. 8. Because the chemical formation of ATP is driven by a diffusion force similar to osmosis‚ this process
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bus 9.2 – Production of Materials: Δ. Construct word and balanced formulae equations of all chemical reactions as they are encountered in this module: • Basic reactions to remember: – Acid reactions: ▪ acid + base [pic] salt + water HCl(aq) + NaOH(aq) [pic]NaCl(s) + H2O(l) ▪ acid + metal [pic] salt + hydrogen gas HCl(aq) + Mg(s)[pic]MgCl2(s) + H2 (g) ▪ acid + carbonate [pic] salt + carbon dioxide gas + water HCl(aq) + CaCO3(s)[pic] CaCl(s) + CO2(g) + H2O
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conditions of bleach’s stored at different temperatures. Introduction: Chlorine bleaches are made by dissolving chlorine in sodium hydroxide solution. They have a number of uses as they are used to remove colors‚ whiten or disinfectant via oxidation. Many bleaches have strong bactericidal properties‚ and are used for disinfecting and sterilizing as they contain chlorate ions. Sodium Thiosulphate is used in the pH testing of bleach substances as it neutralizes the color-removing effect of the bleach and
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an acidified standard potassium iodate solution according to the following equation: IO3-(aq) + 5 I- (aq) + 6 H+ (aq) 3I2 (aq) + 3H2O (l) Then the experiment is immediately followed by a back titration of the excess liberated iodine with standard sodium thiosulphate solution as shown below: I2 (aq) + 2S2O32- (aq) → 2I- (aq) + S4O62- (aq) With iodine solution‚ the thiosulphate ion is oxidized quantitatively to tetrathionate ion. The amount of iodine solution produced using this method can then be
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Oxygen Oxygen and its compounds play a key role in many of the important processes of life and industry. Oxygen in the biosphere is essential in the processes of respiration and metabolism‚ the means by which animals derive the energy needed to sustain life. Furthermore‚ oxygen is the most abundant element at the surface of the Earth. In combined form it is found in ores‚ earths‚ rocks‚ and gemstones‚ as well as in all living organisms. Oxygen is a gaseous chemical element in Group VA of the periodic
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DETERMINATION OF VITAMIN C CONTENT IN COMMERCIAL (CENOVIS) TABLET ABSTRACT In this experiment‚ the vitamin C content of a commercial tablet is determined and compared with the manufacturers’ specification. Vitamin C is water-soluble and is an enantiomer of ascorbic acid. (Commercial vitamin C is often a mixture of ascorbic acid and other ascorbates.) Ascorbic acid‚ C6H8O6‚ is a reducing agent that reacts rapidly with iodine (I2). As the iodine is added during the titration‚ the ascorbic acid is
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chemical reactions: Combinations‚ decomposition‚ displacement‚ double displacement‚ precipitation‚ neutralization‚ oxidation and reduction. Acids‚ bases and salts : Their definitions in terms of furnishing of H+ and OH- ions‚ General properties‚ examples and uses‚ concept of pH scale(Definition relating to logarithm not required)‚ importance of pH in everyday life; preparation and uses of sodium hydroxide‚ Bleaching powder‚ Baking soda‚ washing soda and Plaster of Paris. Metals and non metals: Properties
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Juliana El Khoury Date of experiment: 10/3/2013 Redox Titration Objective: • To learn some technique in volumetric analysis: Redox titration. • To review the stoichiometry of an oxidation-reduction reaction. • To practice the titration technique. • To determine the concentration of an unknown sodium oxalate (Na2C2O4) solution by titrating it against standardized potassium permanganate solution (KMnO4). Principle: Redox reaction is just like an acid-base reaction. An acid can show
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result of the chemical reaction to be a moisturizer soap. First‚ our main ingredient to make a moisturizer soap is the Broccoli plant and second Fatty acids‚ and there lots of type of oils but we will use only the Coconut oil. Then‚ we will also need a Sodium Hydroxide (NaOH) or also can be called Lye or Caustic Soda. The Lye is dissolve in liquid water and adds into the Coconut oil and your Broccoli too. And when those three different types of ingredient combines together it starts the process called
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CHAPTER 4 REACTIONS IN AQUEOUS SOLUTION MULTIPLE CHOICE QUESTIONS 4.1 Which of the following compounds is a strong electrolyte? E A. H2O B. O2 C. H2SO4 D. C6H12O6 (glucose) E. CH3COOH (acetic acid) Answer: C 4.2 Which of the following compounds is a strong electrolyte? E A. H2O B. N2 C. KOH D. C2H6O (ethanol) E. CH3COOH (acetic acid) Answer: C 4.3 Which of the following compounds is a weak electrolyte? E A. HCl B. CH3COOH (acetic acid)
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