The purpose of this lab was to explore and understand the scientific method and how to apply it to experimental procedures, as well as developing an understanding the importance of complete and concise presentation of experimental results obtained by statistical data analysis from collected raw findings. These learning objectives were accomplished by testing the emergence times of sponge creatures from their gelatin capsules by asking the question, “How does water temperature effect the time in which the sponge creatures materialize from their casing?”. An experiment was designed to test this using two different water temperatures and twenty four sponge gelatin capsules (1).
The topic of research is, “how fast does an Alka-Seltzer tablet make gas?”. In the experiment, the scientists will be measuring the chemical reaction rates that occur, when 1 Alka-Seltzer tablet is placed in a specific temperature of water. The independent variable during the experiment will be the temperature of the water (degrees Celsius). The dependent variable during the experiment will be, the rate in which gas is produced (in seconds). The constants of the experiment, will be the amount of water used and the Alka Selter compound. The control in the experiment is water. Units used while timing the productivity of gas from an Alka-Seltzer tablet in different temperatures is, seconds.
Alka-Seltzer is a medical drug that works as a pain reliever and an antacid. The pain reliever used is aspirin and the antacid used is baking soda. When sodium bicarbonate dissolves in water it splits apart into sodium and bicarbonate ions. The bicarbonates reacts with hydrogen ions from citric acid to form carbon dioxide gas and water. This is how the bubbles are made. How is temperature related to this reaction? The higher the temperature the slower they move.
When the Pop Rocks come in contact with the soda, the gas in the Pop Rocks escape after
If I had a household product labeled sodium bicarbonate, I would add an acidic substance and expect bubble to be created. As we know acid reacts with bubbles when combined with sodium bicarbonate.
How does temperature affect the dissolving time of an antacid tablet? Antacid tablets are medicines that help neutralize the acid in your stomach. Antacid tablets are made of numerous numbers of components, such as sodium bicarbonate (baking powder), magnesium hydroxide, critic acid, and many others. When Antacid tablets are placed in water, they undergo a chemical reaction, where the sodium bicarbonate breaks apart to make sodium and bicarbonate ions. When the bicarbonate ions collide with hydrogen ions, it produces carbonic acid. Carbonic acid, then decomposes and creates water plus carbon dioxide. The water and carbon dioxide are incorporated because of temperature. Temperature is the measure of the average heat or thermal
Alka-Seltzer has been on the market since 1931 and has helped to relieve indigestion and upset stomach. The tablets began to fizz and bubble when dropped into water. “The fizziness happens when baking soda (sodium bicarbonate) and citric acid react chemically in water. They yield sodium citrate, water and carbon dioxide gas, which causes bubbles.” Based on this information, we will measure the reaction time of AlKa- Seltzer dissolved in 200 ml of water at 3 different tempertures in the first portion of this experiment. In the second portion of this experiment we will keep the temperature constant and divide the ½ tablet of Alka- Seltzer into 2 pieces ,3 pieces and an unbroken ½ tablet. It is my belief that Alka-Seltzer
Alka-Seltzer tablets are used to treat headaches, stomach and body aches and also heartburn. They consist of citric acid (C6H8O7), baking soda (NaHCO3), and aspirin (C9H8O4). The fizzing observed is a result of a chemical reaction between the citric acid and baking soda which form carbon dioxide in turn causing the fizzing. When the tablets are dropped into water they dissolve and dissociate into the ions in the equation: C6H8O7 (s) → 3H+ (aq) + C6H5O7 3- (aq). Once hydrogen and the baking soda ions bump into each other, they form carbonic acid (H2CO3). Carbonic acid decays to form carbon dioxide and water. The formation of the carbon dioxide causes the fizzing action seen in the experiment. It is shown in the equation: H+ (aq) + HCO3 - (aq)
The dependent variable, which is the time taken for the empty muffin paper cup to touch the ground (immediately after it was dropped). This will be measured using a stopwatch, which will start when the paper cup is dropped, and stopped when the paper cup touches the ground. This will be done on table, preferably inside a science laboratory. (The table will be parallel to the muffin paper cup). Thus the measurements will repeat for each experiment, where the paper cup’s height from the ground varies in each
This paper scrutinises on the importance of agglutination reactions in clinical testing and diagnosis of various diseases. The ability of various antigens and antibodies to agglutinate when mixed in desired environment has been used as the basis to detect the presence of respective antigens in body. It focuses on importance of this method as it gives the results faster than various other methods and provides visible results. Diagnosis of various diseases can be done by this method provided the antibodies are present in blood, urine, plasma or fluid of bone marrow. The following paper discusses the clinical application of agglutination reaction in testing the ABO, Rh blood grouping, test for typhoid