Essays Tagged: "Hydroxide"
Acids, Bases and pH Scales
solved in water and the resulting solution is an electrolyte. A base is any substance that produces hydroxide ions, when dissolved in water; they are also called alkali. This theory was able to explai ... and bases neutralize acids.-Acids release a hydrogen ion into aqueous solution and bases release a hydroxide ion.-The hydrogen ion of the acid and the hydroxide ion of the base unite to form water.-A ...
Subjects: Science Essays > Chemistry
Investigation into temperature change during neutralisation.
wing is an experiment into temperature change in an exothermic reaction taking place between Sodium hydroxide (NaOH) and Hydrochloric acid (HCl) and also how the concentration of the acid will vary th ... decreases.The acid and alkali compounds dissolve into water, acid into hydrogen ions, and alkali in hydroxide ions. Neutralisation with hydrogen and a hydroxide, at the end, the product is water (also ...
Subjects: Science Essays > Chemistry
Chemistry Project: Acids and Bases & the pH Scale
with hydrogen ions (H+). Hydronium ions are positively chargedbecause of their extra hydrogen ion. Hydroxide ions (OH-) are produced when watermolecules (H2O) ionize to become hydronium ions (H3O+) a ... ze to become hydronium ions (H3O+) and hydroxide ions (OH-).Substances with a high concentration of hydroxide ions are bases. Bases have a pH ratingof seven or higher. Solutions of ions conduct an ele ...
Subjects: Science Essays > Chemistry
Sodium Hydroxide - Production
Task: Research and describe the production of a named chemical including safety precautions.Sodium Hydroxide: Sodium Hydroxide, a white solid with a melting point of 318°C, is otherwise known as ... point of 318°C, is otherwise known as caustic soda or lye. The major industrial uses of sodium hydroxide are in the manufacture of chemicals, pulp and paper, aluminium, soaps and detergents. Sodi ...
Subjects: Science Essays > Chemistry
The Relationship between Heat and Amount of Reaction
n (i.e. HCl) is mixed with a solution of a base (i.e. NaOH), hydrogen ions from the acid react with hydroxide ions from the base, thereby forming water. This reaction causes heat to be released, resul ... eriment, several reaction mixtures will be made, each containing various concentrations of acid and hydroxide solutions. As the volumes of the reaction mixtures are the same, the temperature changes a ...
Subjects: Science Essays > Chemistry
Chem Labs
water Ø beakers Ø hydrochloric acid solution Ø sodium hydroxide solution Procedure 1. Prepare a 0.10mol/L buffer solution using acetic acid. Use 5 ... solution using acetic acid. Use 50mL of this solution.2. Add a moderate quantity of sodium hydroxide solution and observe changes.3. Add a moderate quantity of hydrochloric acid solut ...
Subjects: Science Essays > Chemistry
Chem Labs
water Ø beakers Ø hydrochloric acid solution Ø sodium hydroxide solution Procedure 1. Prepare a 0.10mol/L buffer solution using acetic acid. Use 5 ... solution using acetic acid. Use 50mL of this solution.2. Add a moderate quantity of sodium hydroxide solution and observe changes.3. Add a moderate quantity of hydrochloric acid solut ...
Subjects: Science Essays > Chemistry
Acids, Bases and Natural Indicators
in these reactions.Anthocyanins are complex molecules that have the ability to add and/or subtract hydroxide (OH-) ions. When anthocyanin is added to acidic solutions, hydroxide (OH-) ions will leave ... 75 mLRadish150 mLMATERIALSQUANTITYpH metre1Hydrochloric acid100 mLSodium Hydroxide100 mLWindow cleaner50 mLLaundry Detergent50 mLBoraxCaustic soda50 ...
Subjects: Science Essays > Chemistry
CHEMISTRY HSC MODULE 2 - THE ACIDIC ENVIRONMENT
lorite (NaOCl) is added to kill microbes. This then reacts with water to form hypochlorous acid and hydroxide ions.OCl⁻ + H2O HOCl + OH⁻Hydroxide ions raise the basicity of the water, thus ... Basic oxides dissolve in water to form alkaline solutionsE.g. MgO(s) + H2O(l) Mg(OH)2(s) (Magnesium hydroxide {basic})Also, react with acids to form Salt and waterE.g. MgO + 2HCl MgCl2 + H2OAMPHOTERIC ...
Subjects: Science Essays > Chemistry