Exercise 10 Acid/Base Balance NAME 1. Match each of the definitions in Column A with the appropriate description in Column B. Column A Column B F 1. pH E 2. acid D 3. base A 4. acidosis B 5. alkalosis C 6. carbon dioxide a. condition in which the human body’s pH levels fall below 7.35 b. condition in which the human body’s pH levels rise above 7.45 c. mixes with water in the blood to form carbonic acid d. substance
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CITRIC ACID IN A SOFT DRINK USING ACID/BASE TITRATION Copyright: Department of Chemistry‚ University of Idaho‚ Moscow‚ ID 83844-2343; 2007. INTRODUCTION The acid content of many foods and beverages contributes significantly to their taste. Soft drinks often contain varying quantities of several acids‚ which give sodas their tart flavor. In cola products‚ these acids are predominantly carbonic acid (from the carbonated water) and phosphoric acid. In sodas such as Squirt and 7-Up‚ the acids are
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of Hydrochloric Acid (HCl) to neutralize the antacid would be most effective. Based on the results‚ Life Brand Milk of Magnesia was the most effective out of the three antacids because it took 120 drops of hydrochloric acid (HCl) to neutralize the antacid. The active ingredient in Life Brand Milk of Magnesia is magnesium hydroxide (“Nonprescription Medicines and Products - Antacids and Acid Reducers”). Magnesium hydroxide is a strong base with a pH value of 12 (“Strong and Weak Acids and Bases and
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addition of one solution to another until the reaction reaches neutralization‚ which is often indicated by color change. Acid-base titration is the most frequently used procedure to determine the concentration of an acid or basic solution. This titration is also called as neutralization reaction. By adding an indicator to the solution‚ we will able to detect when the reaction between acid and the base is complete. Soft drink is a beverage that is non-alcoholic‚ carbonated drinks that contains many ingredients
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on the person but the statement. I think it is citric acid and baking soda. Eighth graders have to find out what a mystery mix is from an assortment of chemicals‚ by adding water and mixing them together. Some think it is citric acid and baking soda‚ and some still think it’s citric acid‚ baking soda‚ and Epsom salts. Then they looked at the mix dry and it looked too rectangle and rocky‚ then what the mystery mixture seemed to be. Citric acid is more circular than Epsom salt. But other people thought
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recognize as a chemical in their household is Lemon Juice. This is a liquid mixture of water and citric acid. Its color is mildly foggy and a pale yellow. Lemon juice is a chemical acid and when mixed with a base like baking soda creates a reaction. Reactions that occur Mixing lemon juice with baking soda gives you a chemical reaction. The lemon juice contains citric acid. The citric acid from the lemon juice will donate a hydrogen ion (H+) to the bicarbonate or baking soda (NaHCO3). When the
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ACIDS 1. Acids are chemicals which will turn litmus paper red. Litmus is a colored Chemical which can change from red to blue and back again. Which colour it is Depends upon the concentration of Hydrogen ions. If the concentration of Hydrogen ion is higher than it is in pure water then the litmus will turn red. If it is lower than in pure water the litmus will turn blue. 2. An acid is a substance that turns blue litmus paper red acids can‚ be identified due to specific
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practical that we completed was to determine the molar mass of carbon dioxide (CO2) by experimental means and to observe the reaction of hydrochloric acid and sodium carbonate. Using the balanced equation: Na2CO3 + 2HCl → 2NaCl + H2O + CO2 Materials / Apparatus: 1) 8.00g of sodium carbonate‚ 2) 30mL of hydrochloric acid (6molL-1) 3) 100mL of hydrochloric acid (6molL-1) 4) 100mL conical flask‚ 5) 150mL glass beaker 6) 50mL glass beaker 7) Glass funnel‚ 8) Digital scales‚ 9) Metal spatula and a 10)
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Transparent B. Opaque C. Translucent D. Water proof 4. Bronze is made up of A . Iron and Tin B. Lead and Iron C. Carbon and Zinc D. Copper and Tin 5. What acid is found in Vinegar? A. Lactic acid B. Hydrochloric acid C. Ethanoic acid D. Propanoic acid 6. Igneous rocks are also called as A. Fire Rock B. Ice rock C. Coal D. Lime stone 7. The process by which rocks break up to form fragments is called A. Eruption B. Weathering C. Surface
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is a dry chemical ingredient used in the making of a cake. It consists of sodium bicarbonate (an alkali)‚ acid salt (such as tartaric acid) and starch that when exposed to water‚ react together to form carbon dioxide gas causing it to expand‚ thereby producing bubbles and allowing the cake dough to rise. Typically today‚ modern baking powders are double acting (meaning they contain two acid salts). One reacts at room temperature‚ causing a rise as soon as the batter is prepared while the other one
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