PPT-Acids

and Alkalis T Sudarat Khampa Acids Latin word acidua sour Has a sour test Has a pH value less than 7 Has a corrosive nature Turns blue litmus paper red Reacts with reactive metals to produce hydrogen gas . Acids turn blue litmus to red 2 Acids turn methyl orange to red Bases effect indicators 1 Bases turn red litmus to blue 2 Bases turn methy l orange to yellow 3 Bases turn phenolphthalein to purple Acids neutralize bases producing a salt and water Ba 9. Citric Acid 10. Succinic Acid 11. Fumaric Acid 1. 3-Amino, 4-Hydroxybenzoic Acid 2. 4-Hydroxybenz less Steel 9478 Stainless Steel 1. Lauric Acid (C12:00) 2. Myristic Acid (C14:00) 3. Palmitic A When an amino acid with positive and negative charges is overall neutral in charge, it is said to be at its . isoelectric point (. pI. ). .. . Ball-and-stick model of glycine at its . pI. of 6.0.. Similarly, irregularly shaped chips would be like unsaturated fatty acids that do not fit closely together.. Learning . Goal . Draw the condensed or line-angle structural formula for a fatty acid and identify it as saturated or unsaturated.. Taste. Acids taste sour. Foods. citrus fruits . yogurt and sour milk. carbonated beverages. vinegar. Acid. citric acid. lactic acid. carbonic acid. acetic acid. Bases taste bitter. Like soap. Touch. MEASUREMENT. REACTIONS. The sour and spicy tastes are properties of acidic substances. The bitter taste is a . property of basic . substances. ACIDS & BASES. INTRODUCTION. Your own body produces acids and strong bases. Chemistry. Jacqueline P. Hancock, B.S., . M.Ed. Acid-Base Theories. Bracken Cave, near San Antonio, Texas, is home to twenty to forty million bats. Visitors to the cave must protect themselves from the dangerous levels of ammonia in the cave. Ammonia is a byproduct of the bats’ urine. You will learn why ammonia is considered a base.. Defining an Acid. pH Scale. Finding the pH of weak acids and bases. Acid-Base titrations. Choice of indicators for titrations. Buffer solutions. Defining . an acid. Learning Objectives:. Describe a . . are organic molecules that are the building block of . . proteins. .. -There is 20 . α. -amino acids commonly found in . proteins. . ( . they . have a carboxyl group and an amino group . . . Amino acids are weak . polyprotic. acids . . Neutral amino acids are (. gly. , ala, threonine ) are treated as diprotic acids .. acidic amino acids (. glu. , asp,) are treated as . triprotic. acids .. RCOOH and . ArCOOH. Functional Group =. O. C -OH. Common Names…. 1C – Formic Acid (. Methanoic. Acid). From Formaldehyde (. methanal. ). . 2C – Acetic Acid (. Ethanoic. Acid). From Acetaldehyde (. What are nucleic acid ?. Linear polymers of . nucleaotides.first. isolated by . Miescher. (. 1871). Each nucleotide consist of 3 components . 1. . purine. or . pyrimidine. . nucleobase. BSc 3. rd. year . AMINO ACIDS. C. lassification of amino acids . Classification according to nature of side chain. PREPARATION OF AMINO ACIDS. 1. Gabriel Phthalimide synthesis. 2. Strecker’s synthesis. B2 - Compare the . structures. & . functions. of carbohydrates,. . lipids, proteins, & . nucleic acids . & . their organization into long complex molecules . Consist of:. . Carbon. , hydrogen, oxygen, .