This experiment will show how the temperature of water will affect how quickly a Alka-Seltzer tablet will dissolve. (Rowland) This experiment seemed appealing to me because it sounded interesting to experiment with chemical reactions. “How does the temperature of water affect how quickly an Alka-Seltzer tablet will dissolve?” Alka-Seltzer is a medical drug that serves as a pain reliever and for heartburn. (Rowland) It may also be used for indigestion, body aches, and different types of pain. (Rowland)You should completely dissolve the tablet in a glass of water before taking them. (Rowland)Next it will go through a chemical reaction that produces lots of carbon dioxide. (Rowland) For this reaction to occur the tablet must come in contact with hydrogen. …show more content…
(Why Does Alka-Seltzer Fizz in Water?) The fizzing that occurs is basically the same as baking powder and vinegar. (Why Does Alka-Seltzer Dissolve in Water?) The chemical reaction happens when molecules collide into sufficient energy to break old bonds and form new ones. (Walker and Wood)Some of these may take a while and others may take almost no time at all. (Walker and Wood) Alka-Seltzer contains citric acid and sodium bicarbonate which is basically baking powder. (Walker and Wood) I believe that the tablets will dissolve faster in warmer water, because increasing temperature also increases kinetic energy of the reactant molecules. When the rate of the reactant molecules increases the tablets will dissolve quicker. (Walker and Wood) When Alka-Seltzer dissolves it is caused by acid coming in contact with baking soda. (Why does Alka-Seltzer
The purpose for this lab was to use aluminum from a soda can to form a chemical compound known as hydrated potassium aluminum sulfate. In the lab aluminum waste were dissolved in KOH or potassium sulfide to form a complex alum. The solution was then filtered through gravity filtration to remove any solid material. 25 mLs of sulfuric acid was then added while gently boiling the solution resulting in crystals forming after cooling in an ice bath. The product was then collected and filter through vacuum filtration. Lastly, crystals were collected and weighed on a scale.
The rate at which Alka-Seltzer tablets reacts with water Statement of problem The aim of the experiment is to find out the rate at which Alka-Seltzer tablets react with water. The input variable that I will change is temperature. The output variable will be measured by the time it takes for the Alka-Seltzer tablets to dissolve.
In this experiment, we tested how the sugar cubes dissolve from different water temperatures. During the lab we made sure to make accurate and precise measurements, so what we did was do the same exact procedure to every section of the lab.
In order to better understand this experiment, one must first have a clear understanding of several underlying concepts. First, one must be aware of the ingredients and properties of Gatorade. Secondly, one must understand what an electrolyte is and its biological significance. Thirdly, one must be familiar with the general idea of conductivity. Finally, one must understand how freezing a substance affects its properties at a molecular level. Once a basic understanding of the aforementioned concepts is obtained one will be able to adequately conduct the experiment and
For this experiment you have to have a basic understanding of Collision Theory to understand what’s going on in the experiment. Collision Theory is a model of chemical reactions in which a reaction occurs after a collision containing enough energy occurs between two reactant molecules. This model has five factors which can be affected and they are the nature of reactants, temperature, concentrations, surface area and catalyst. If one of these were changed then the reaction could occur faster or slower depending on what was changed.
The purpose of this lab is to see if changing the temperature and the surface area affects the speed of the solute dissolving. This lab relate to the things you have been learning in class because it connects to solubility and how the change in temperature, surface area, and concentration affects the rate in which a substance dissolves. In this lab we hypothesize if we increase the temperature of the vinegar, then the speed of the Alka-Seltzer would increase as well because the speed of the molecules breaking down will be faster. If we also increased the surface area of the Alka-seltzer, it will also dissolve quickly because the pieces are little. In order to complete the surface area experiment, we put our safety goggles on to prevent any
useful in the relief of mild to moderate pain. It is also used as a cough remedy
The Alka-Seltzer tablet is a medicine tablet taken by people as an antiacid to help calm down stomach acids which can lead to heartburn.(¨Carbonation Countdown¨) The Alka-Seltzer tablet is also used as a pain reliever. The pain reliever has aspirin and citric acid in it while the antiacid also has citric acid but instead of aspirin the antiacid has sodium bicarbonate, which is also known as baking soda. The Alka-Seltzer tablet was first created by a chemist working for the company Miles Laboratory named Joseph Maurice Treener. (¨Who invented Alka Seltzer¨) Treener discovered that if he added sodium bicarbonate to aspirin it would create a tablet that works wonders to use as a medication to calm down troubled stomach acid.
Variables --------- During the experiments, the water will be heated using different spirit burners containing different alcohols. I will be able to change different parts of the experiment. These are the. Volume of water heated:
I believe that the solubility of the KNO3 will increase at a proportional rate to the increase in the temperature of the water. [IMAGE]When the KNO3 dissolves, it can be classed as a chemical reaction. It follows therefore that in order for the KNO3 to dissolve, an activation energy barrier must be overcome. Activation energy is the energy required to kick-start a chemical reaction. If the activation energy barrier is not reached (i.e. if the particles do not have enough energy on collision to react) then the reaction will not proceed and the KNO3 cannot dissolve in the water.
In a 100ml beaker 30mls of water was placed the temperature of the water was recorded. 1 teaspoon of Ammonium Nitrate was added to the water and stirred until dissolved. The temperature was then recorded again. This was to see the difference between the initial temperature and the final temperature.
In order to understand this experiment, some background information was needed. For example, a person must understand what a melting point and what a freezing point is. A freezing point is defined as a temperature at which a liquid changes into a solid. A melting is the opposite of the freezing point. It is defined as a temperature at which a solid, turns into a liquid. That in order to freeze pure water, the water must reach a temperature of less then 0˚Celsius. They also must have knowledge that in order to change pure water (in the solid form) to a liquid, that solid must reach a temperature above 0˚Celsius.
As mentioned before, this lab will involve the compound, Sodium hydroxide, being dissolved in water in order to observe the change in temperature and ultimately the change in enthalpy (ΔH). This lab will also examine the change in temperature as if there was no loss heat\energy to the environment. All these objectives will achieved through a number calculations and graphical procedures. The experiment can be expressed in the following equation: NaOH(s)+ H2O(l) NaOH(aq) + heat.
The purpose of this experiment was to figure out what types of water would have an effect and what that effect would be on seed germination.
When a hot liquid is placed in either a plastic, paper, styrofoam, or a glass cup, then the styrofoam cup will keep a liquid heated longer. During this experiment, a liquid will be warmed and poured into the different cups.