rinse immediately under running water for up to 15 minutes and report the accident to your instructor. Acid spills may also be neutralized using the sodium bicarbonate solution by the sinks. Also‚ be sure to exercise appropriate caution when using the Bunsen burner and handling hot equipment. Materials and Equipment: Solid sodium bicarbonate (NaHCO3)‚ solid sodium carbonate (Na2CO3)‚ 6M hydrochloric acid (HCl)‚ electronic balance‚ evaporating dish‚ watch glass (to fit as a cover for the evaporating
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interchangeable. Let’s talk about the facts behind these baking essentials. Baking soda is also known as sodium bicarbonate. I told you we were talking science. Stay with me. When sodium bicarbonate meets with heat‚ carbon dioxide gas is formed. It’s this gas that gives rise to our favorite cakes‚ cookies and biscuits. There is one drawback to the production of this gas. When heated‚ sodium bicarbonate also produces sodium carbonate‚ which doesn’t taste very good. If you’ve ever eaten any metallic tasting
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glass Crucible tongs Spatula Balance Meeker burner Ring stand Iron ring Wire gauze Forceps Sulfur Iron filings Sodium Bicarbonate Sodium Chloride Sugar Sand Magnesium ribbon Hydrochloric Acid Distilled water Filter paper 9 disposable dishes Procedure: 1. Label 7 of the dishes with the names of the following products: Sulfur‚ Iron‚ Sodium Bicarbonate‚ Sodium Chloride‚ Sugar‚ Sand‚ and Magnesium. Place small samples of each in the appropriate dishes. 2. Examine each sample with
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yield by using the theoretical value found using the balanced equation for sodium carbonate as well as sodium bicarbonate. The objective is to stabilize the substances by titrations and finding the percent yield when all the data is collected. The purpose of this procedure is so that the student will get better understanding of stoichiometry. The student will also be reacting sodium bicarbonate and sodium carbonate with hydrochloric acid to produce sodium chloride‚ water and carbon dioxide. Experimental
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pure compound of sodium carbonate‚ sodium bicarbonate or sodium hydroxide or the mixture of the three with compatible percent compositions. These compositions are determined by acid-base titrations‚ a volumetric process in determining the concentration of a substance in a certain solution which uses a base or acid as the titrant. The reaction between sodium carbonate and hydrochloric acid occurs in 2 stages‚ with the formation of bicarbonate ion as the intermediate product. (1) (2)
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Common Name: Baking Soda Scientific Name: Sodium Bicarbonate Formula: NaHCO3 Fundamental particles: Baking Soda is comprised of one Sodium ion (Na+) and one Bicarbonate ion (HCO3-) Usage: Baking Soda has many uses; it can be used in cooking as well as cleaning‚ as an antacid and can also be used to fight odors. Properties: Baking Soda is odorless and can be used as an antacid because of the Bicarbonate ion. Common Name: Antacids Scientific Name: mainly
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dissolve completely. 4. Carefully inserted a burning splint into the test tube. 5. Recorded the results. Part 3: Vinegar and Sodium Bicarbonate (Baking Soda) 1. Poured 4mL of Vinegar into a test tube. 2. Lit the tip of a splint on fire using the Bunsen Burner. 3. Scooped a small amount of sodium bicarbonate. 4. Carefully added the sodium bicarbonate into the test tube. 5. Allowed the Vinegar and Baking Soda to react for 5 seconds. 6. Slightly tilted the test tube and inserted the burning
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for consumers 25% of outstand stock shares are family owned with the ability to stay focused Ability to acquire 2 companies in 2001 for growth (economies of scale) Arm & Hammer brand recognition 2002 Church & Dwight held 75% of the sodium bicarbonate production WEAKNESSES Until 1990 the company focused on niche markets to avoid competition Limited international marketing experience Line extension problems‚ saturating the market with logo branding OPPORTUNITIES Consumer market barriers
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such as transportation cost will gain a competitive edge against the giant players in the market. B. THE SITUATION The Church & Dwight Corporation a was founded 160 years ago and became the world’s largest producer and marketer of sodium bicarbonate-based products in United States. Although its name was not popular one‚ its products can be found in variety of consumer products 95% of all U.S. households (Wheelen & Hunger‚ pp.35-2). It has many core product carrying the brand name ARM & HAMMER
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my hypothesis is a Combustion. E.) Lead (II) Nitrate and Potassium Iodide‚ my hypothesis a Double displacement. F.) Copper and oxygen‚ my hypothesis is a synthesis. G Magnesium and oxygen‚ my hypothesis is a synthesis. H.) Acetic acid and Sodium bicarbonate‚ my hypothesis is a double displacement. I.) Copper (II) carbonate and Hydrochloric acid‚ my hypothesis is a double displacement. Data: Attached. Conclusion: Experiment A. Aluminum and Copper (II) Chloride. In this experiment I filled a
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