Soda and Vinegar Lab Purpose: Determine if mass is conserved in a chemical reaction. Materials: baking soda vinegar 4 dry beakers (or simply rinse and dry the same beaker before using it again) 1 digital balance 1 rubber band plastic wrap plastic weight boat (lid) Procedure: 1. Measure the mass of a beaker‚ 10mL vinegar‚ and 10g baking soda. 2. Mix the compounds in the beaker and wait for the reaction to finish. 3. Record the mass of the beaker and its contents. 4. Determine the remaining
Premium Chemical reaction Chemistry Chemical substance
Introduction: Acid rain has proven to be a big problem for Connecticut. It has had a great impact on builders‚ wildlife‚ and the water sources. Acid rain has many components in it such as pollutants from plants to sulfuric acid from burning coal. Problem: Which stone is the most resistant against acid rain? Hypothesis: If we test the different stones against acid rain then red sand stone would be the best because it is heavier and cannot be easily broken. Independent variable: Type of stones
Premium Stone Acid rain Acetic acid
BRONSTED-LOWRY ACIDS AND BASES 1. The Bronsted-Lowry definition There are many definitions of acids and bases in existence‚ but the most useful one is the Bronsted-Lowry definition: An acid is a substance which can behave as a proton (re presented as a hydrogen ion‚ H+) donor. Any substance which contains hydrogen bonded to a more electronegative element can thus behave as an acid: HCl == H+ + Cl- H2SO4 == H+ + HSO4- A base is a substance which can behave as a proton acceptor. Any
Premium PH Acid Acid dissociation constant
Roasted Salt-and-Vinegar Potatoes From Cook’s Country | August/September 2012 Share Email Print Shopping list Add to favorites WHY THIS RECIPE WORKS: Cooking small red potatoes in a super-saturated salt solution creates an incredibly creamy‚ well-seasoned potato interior. After the potatoes are par cooked‚ we “smash” them to expose some of the potato flesh‚ brush them with malt vinegar‚ and roast them on a well-oiled sheet pan until the… read more Roasted Salt-and-Vinegar Potatoes Making crispy
Premium Cooking Starch Vinegar
Vol. 1 ACETIC ACID 115 ACETIC ACID 1. Introduction Acetic acid [64-19-7]‚ CH3COOH‚ is a corrosive organic acid having a sharp odor‚ burning taste‚ and pernicious blistering properties. It is found in ocean water‚ oilfield brines‚ rain‚ and at trace concentrations in many plant and animal liquids. It is central to all biological energy pathways. Fermentation of fruit and vegetable juices yields 2–12% acetic acid solutions‚ usually called vinegar (qv). Any sugar-containing sap or juice can
Premium Acetic acid
Banana (Saba) vinegar Conner is known as the fruit basket. One of the fruits that are abundant here is banana. The word “banana” is a general term embracing a number of species or hybrid in the genus Musa of the family Musaceae. there are many different kinds of banana found in Conner those are the “Lakatan”‚ “Sinlowa”‚ “Tanda”‚ “Dippig tagalong” and “Dippig”. Bananas are good for dessert or for cooking description. Banana fruit or dessert is made of soft‚ easily digestible flesh with
Free Banana
Name: Citric acid Chemical Name: 2-hydroxypropane-1‚2‚3-tricarboxylic acid Chemical Formula: C6H8O7 Chemical Structure: pH: 4.18‚ 3.90‚ 3.57 Classification: Weak acid Uses: It is a natural preservative/conservative and is also used to add an acidic or sour taste to foods and drinks. It is also used mainly as an acidifier‚ as a flavoring‚ and as a chelating agent. Name: Vinegar acid Chemical Name: Acetic acid or ethanoic acid Chemical Formula: C2H4O2 Chemical Structure:
Premium Acetic acid Carboxylic acid Vinegar
BACKGROUND INFORMATION HOW DOES ONE DIFFERENTIATE THEM? There are several ways to classify substances. One way is based on their pH. Substances may be * Acid 2. Base 3. Neutral INDICATORS This is a substance which is one color in and acid and another color in a base. Indicators can ten be used to test for the presence of acids or bases in a substance. Some are available in paper form (litmus) and others in liquid form (methyl orange)
Premium Acid PH indicator PH
Introduction Vinegar Tom was written by Caryl Churchill‚ a feminist‚ in 1976 but set in the 17th Century. The play was inspired by the women’s rights act of 1970‚ and the discrimination of women. The title comes from the name of a horrible creature which is supposed to be a witch’s familiar. It is about how four naïve and innocent women’s lives are affected throughout the Salem witch-hunts. Modernised song‚ dance and rhythm are used to combine the horror of the past and attitudes which have carried
Premium Salem witch trials Witchcraft
Steps in recognizing genuine BSP banknotes Version 1 and 2 1. Paper - the genuine note is printed on a special kind of paper which is rough when we run our fingers through it. 2. Watermark - is the shadow of the portrait appearing on the face of the note. 3. Security fibers - embedded red and blue visible fibers are scattered at random on both surfaces of the note. 4. Embedded security thread - special thread vertically implanted off center of the face of the note. It can easily be seen when
Premium Philippines Inflation Monetary policy