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SCI 162 Exam 3 Study Guide and Homework Assignment

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    Name : Erinn Magrosky Section : SCI 162 * 02 To be completed and submitted via Blackboard before 4:00pm . Answer the questions for which space in provided. SCI 162 Exam 3 Study Guide and Homework Assignment D iscuss the concepts of acid - base reactions, redox reactions, acid rain, and ozone layer depletion, emphasizing their definitions, examples, and environmental implications. Additionally, explain how these processes are interconnected and their relevance to both industrial activities and ecological health. Provide balanced chemical equations where applicable, and ensure a thorough analysis of the effects on both local and global scales. (Word count requirement: 2,500 - 3,000 words)

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    Chapter 7 Definitions 1. Provide a definition for an acid and base based on the Arrhenius Theory Acid - An acid is a molecular substance that breaks up in aqueous solution into hydrogen and anions Base - a base is a molecular substance that breaks up in aqueous solution into hydroxide and cations 2. Provide a definition for an acid and base based on the Bronsted - Lowry Theory Acid - Acids are proton donors . Base - Bases are proton acceptors 3. Neutralization Reaction - a reaction of an acid with a base to form water and a salt 4. Salts - produced from a neutralization reaction between a base and an acid. 5. Anhydrides - means without water. 6. Metal Oxides - are acidic anhydrides. (Non Metal oxide + water  Acid) 7. Non - metal oxides - are basic anhydrides. (Metal oxide + water  base) 8. Strong/Weak Acids - Strong Acids  ionize completely in a water solution. Weak Acids  only partially ionize in water solution. Provide two examples a weak acid – Acetic acid ( CH 3 COOH ) , Carbonic acid ( H 2 CO 3 ) Provide two examples of a strong acid – Sulfuric Acid ( H 2 SO 4 ) , Nitric Acid (HNO 3) 9. Strong/W eak Bases Provide two examples of a weak base - Ammonia , Arginine and lysine Provide two examples of a strong base - Sodium Hydroxide , Potassium Hydroxide 10. Conjugated acid - base pairs Provide an example of a conjugated acid - base pairs - ( CL - ) is the conjugate base of the acid, Hydrochloric acid ( HCL)

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