Notes On Antacid Potency And Its Effects On Their Knowledge Of Acids, Bases, And Neutralization

The more acidic a substance is the less oxygen it will produce when going through a chemical reaction. During the Lab “How Do Changes in pH Levels Affect Enzymes Activity”, the researcher conducted an experiment to test the effects that an acidic, neutral, and a base substance will have when combine it with hydrogen peroxide. The data table shows that HCL (acidic substance) barley produced any oxygen at all when it was combining with Hydrogen Peroxide. The pH level for HCL was 2.5; this level indicates that the substance was very acidic. When the H2O and NaOH were tested they produced more bubbles than HCL. NaoH produced a little more bubbles than HCL. The pH that NaoH produced was a 9, which is a base. H2O produced more bubbles than both substances;

Research Question: This investigation will determine the how the amount of water (independent variable) affects the amount the amount of time (dependent variable) it takes for the Alka-Seltzer to dissolve.

1. For this experiment, what were the independent variable and the dependent variable? What were the constants?

The independent variable for the experiment was the paper towels. The dependent variable was the absorbency and strength. The constants for the experiment were the size of the paper towels that were used, the amount of water, the size of the beaker, the size of the cylinder and the amount of the weight.

The topic is: The cleanest cleaner. In this experiment, the scientists will be testing which brand of detergents cause a better cleaning effect on one stain on multiple white shirts. The independent variable in this experiment consists of the different detergents, while the dependent variable consists of the amount by which the stain faded (using the purple light scale), and or removed, others include the white t shirts, washing cycle, and drying cycle, staining agent, and cycle of drying and washing. The control variable in this experiment will be the 1 trial run with water only per experiment. The unit while measuring the amount of detergent is mL, and a scale which the is going to use to measure the amount of stain faded.

Since Alka Seltzer is swallowed and reacts with stomach acid, the vinegar is in this experiment is substituting as the stomach acid. The principle of limiting reagents relates to this lab because

In this experiment the scientists are looking for how gas production is effected when different sized Alka-Seltzer tablets are put into water. The independent variable is the different sizes while the dependent variable is the amount of gas produced. A constant variable includes the same brand of Alka-Seltzer tablets, the volume of water and same starting temperature. Finally the scientist’s control variable is the first trial testing the whole tablet comparing its reaction time to each new piece.

Acidic Relations in Chemistry is the topic of this experiment. In this experiment, the scientists will be testing the strength of pH and the amount of TDS (total dissolved liquids) in both gunpowder green tea and caffeinated black coffee. The independent variables are the caffeinated beverages and the dependent variables are the pH and TDS levels of the gunpowder green tea and black coffee. The constants are the way we measure the pH and TDS of the caffeinated beverages

The experimental setup will be a pH meter placed inside each water bottle of water to check the acidity in each one, and it will be tested with a pH meter. The purpose of the investigation is to see which company of water bottles has the highest pH level. The independent variables are the different companies of water, the dependent variable will be the pH level of the water, and the controlled variable will be the pH meter, the computer and wires, the glass of water, and the distilled water.

The purpose of this experiment was to see which substance mixed with water would produce the most hydroelectricity. If salt were to be mixed with the water then, the mixture will conduct the most electricity. The first action that was done was to create the first mixture that would be tested which was water and sugar. The mixture was then tested with the battery and wires. The next step was to create the mixture of water and vinegar and then test it with the battery and wires. The next step was to create the mixture of salt and water and then test it with the battery and wires. The final step was to test the water by itself using the wires and battery. The results for the sugar and water mixture was a 0 meaning no light was produced. The results

The purpose of the experiment was to compare antacids by the amounts acid they neutralize to find the most effective antacid. Finding the most effective antacid is important because it will help others by allowing them to choose the best product for their heartburn. Titration is the process of which the unknown solutions concentration reacts with a known solution concentration. During the experiment, titration was used to calculate the moles of HCl neutralized by the antacid in this case was gelusil, by knowing the moles of HCl initially added to the flask and moles of HCl neutralized by the NaOH.

If the scientists add salt to pure water, then pH level of the water will drop turning the water acidic. In the experiment, The scientist plan for this experiment is to have pure water with a pH level of 7 ( Neutral ) and use pH strips to make sure the water level is neutral. Then, they begin to add salt and stir or wait for it to dissolve. Once it is dissolved, the scientist shall enter another pH strip and check the pH level. The scientist shall conduct this experiment at least three times with the same amount of water, and the same amount of salt.

The data collected showed which of the antacids were the most capable of keeping a certain pH. By analyzing the results, concluded that Milk of Magnesia was the best antacid. This does not mean for sure that Milk of Magnesia is the best antacid ever, just it was better than water, Rolaids, and Tums at maintain a certain pH. On the other hand, how our experiment went, showed that water and Rolaids were even with their abilities to keep a pH, placing them as the worst antacids out of the group. This reflects badly on the Rolaids, because water was the standard for the experiment. By Tums being able to take two drops before changing color, showed it to be a better antacid than water and Rolaids. Tums may have been better than these two antacids,

Anthocyanidines (Figure 4, delphinidin) another natural compound has been discovered to be a competitive inhibitor of Glo1. It's capabilities to interact with zinc atom by its OH, make ionic-pi interactions with aromatic amino acids in the active site by its positive charge and make hydrogen bound with basic amino acids at the mouth of the active site by its terminal hydroxyl groups gave her the competitive inhibition characteristic.

Our data will be collected by how much oil is collected in the hair, how much oil is left in the water, how much hair is coated in the oil, and how long it takes for the oil to be “absorbed”. Our measurements will be taken before and after the experiment to way the hair, and how much oil to water ratio. The tools that we are going to use is a scale and we are going to use stoichiometry. Our observation we are going to see it, and feel the oil on the hair. We will collect data everyday and the experiment will last 2 weeks. Are dependent variables is the amount of water we use and how wide and long it is. Are independent variable are the amount of oil used and how much hair we are going to use.