PPT-How Acid Dissolves Metals

Directed at Stripping Processes Prepared by Dave Fairbourn Aeromet Technologies Inc Sandy Utah Prepared for ITSA Symposium Woodlands Texas 9 October 2018 Why Strip Repair In process flaws. This instability is what drives the process of corrosion and it results from the fact that a refined metal is continually trying to revert to its natural state the mineral Some metals do this faster than others The Galvanic Series ranks corrosion te Weak . A. cids . and . Bases. Topic 8.3. A. cids. w. hen a . STRONG. acid dissolves- all, or nearly all, of the acid molecules react to produce H. +. . or H. 3. O. +. ions (reaction goes to completion). METAL CHEMISTRY. N4. CHEMISTRY. metals. . +. water. metals. . +. . acid. metals. . +. . oxygen. N5. CHEMISTRY. After completing this topic you should be able to : . METAL REACTIONS. Carry out reactions between metals and oxygen, water and dilute acid to place the metals into an order of reactivity based on the differences in reaction rate. . Number of protons and neutrons. Atomic number. Number of protons. Proton. Neutron. Electron. Relative mass. 1. 1. negligible. Charge. + . 0 . -. location. nucleus. nucleus. shells. Atoms of the same element can have different. Hydrogen and water. Acids And Metals. 2.26 Predict the products of reactions between dil. Hydrochloric and Sulfuric Acids;. a. nd metals like Mg ,Zn , Al and Fe. Objectives. Describe the safety precautions necessary for the reaction of an acid with a metal. Junior Science. 1. Recognising . chemical and physical change. Physical changes . are . reversible and does . not produce a new substance. Changes in state . (. melting, freezing, vaporization, condensation, sublimation. Electrolytic . P. rocesses. What is electrolysis?. Breaking down an ionic substance using electricity.. Metals have a positive charge and non metals have a negative charge.. Hydrogen is an exception (it is a non metal with a positive charge.. HL: Locate the alkali metals on the periodic table.. HL: Describe the properties of the alkali metals.. HL: Describe the reactions of the alkali metals with air.. HL: Describe the reactions of the alkali metals with water using word equations.. Electrolytes. A substance that . ionizes. when placed in a suitable solvent. Include most ionic compounds (salts), acids & bases. Electro . –. . . they can actually conduct electricity!. When . N. ame three parts of a building where a metal might be found. On the roof. In reinforced concrete. On the outside of the walls. For air conditioning ducts. Metal properties. All metals have high boiling points. Concentrations and contamination trends of heavy metals in the sediment cores of Taihu Lake, East China, and their relationship with historical eu-trophication JIN Zhangdong1,2*, CHENG Hangxin3,4, CH Strength. – metals that are . strong. are used to make car bodies, bike frames, ships, planes etc. . Malleability. . (mouldable). – This means that that they can be . shaped by hammering or rolling. A + BX .  AX + B. You will have a chart of activity series. More active metals will replace less active metals from their compound in a solution. A less active element will have no reaction when added to a more active element!. DO NOW - . 3 questions in 3 minutes. Using your periodic table:. Name three alkali metals. Name three transition metals . How many electrons are in rubidium's outer shell?. Spec. 5.4.1.1 - 5.4.1.2 & 5.4.2.1.