Potassium hydroxide

Mary Pyrdol Honors Chemistry P3 Group 3 Topic: Antacid Potency Due Date: 9/30/16 Background Research For the scientists project, they are researching different brands of antacid and their potency to further expand their knowledge of acids, bases, and neutralization. Their problem statement is ‘which liquid antacid brand is most potent?’ In the scientist’s experiment, their independent variable is the brand of liquid antacid. The dependent variable is the amount of drops of antacid it takes for the

Exelon (Rivastigmine Tartrate) is a hydrogen tartrate salt of Rivastigmine that acts as a reversible cholinesterase inhibitor. As a cholinesterase, it is administered in an increasing amount over a set period of time. Through the inactivation of butyrlcholinesterase and acetylcholinesterase, Exelon prevents the breakdown of the chemical acetylcholine which is thought to be important in memory, thinking, and reasoning. Due to these capabilities, it is frequently employed to combat the effects of dementia

by examining the behavior of leaf disks in different pH solutions under light. In this experiment, we used five different pH levels: pH 5, pH 6, pH 7, pH 8 and pH 9. These solutions were created using a combination of hydrochloric acid and sodium hydroxide. Spinancia olcerea or spinach, leaves were used in the experiment to examine the effects of pH on the rate of photosynthesis. The rate of photosynthesis was measured by counting the number of leaf disks that rose to the surface of the solution after

Ultrasound treatment was done according to method by [21] with some modifications. Ultrasonic probe (JY92-IIN, Ningbo Scientz Biotechnology Co. Ltd, Ningbo, China) was used, with maximum power 1000Watt, frequency 25 kHz and probe diameter of 13mm. Pectin solutions were treated at 60% duty cycles, sonication times was fixed at 20 minutes, sonication power (200 and 400 watts). Effect of acidity on sonication was determined at pH 2, 4 and 6, by adjusting solution pH using acetic acid. Native pectin

technique used to find the concertation of an unknown acid, called the analyte, through the use of a base with a known concentration, called the titrant. In this experiment the analytes used were sulfuric and acetic acid and the titrant was sodium hydroxide. In order to find the concertation of these acids, the acid and base were mixed until they reached the equivalence point, or the point when the amount of titrant is equal to the amount of the analyte needed to fulfill the mole to mole ratio necessary

N-hydroxysuccinimide (NHS), posstasium carbonate (K2CO3), and azobisisobutyronitrile (AIBN) were purchased from Sigma-Aldrich (Milwaukee, WI, USA). 4,4′-Bis(4-hydroxylphenyl) valeic acid (HPV), 4,4′-difluorobenzophenone (DBP), chloroform, sodium hydroxide (NaOH), dimethylacetamide (DMAc), dimethyl sulfoxide (DMSO), toluene, hydrochloric acid (HCl), tetrahydrofuran (THF), iso-propanol (IPA), and dimethylformamide (DMF) were purchased from TCI company (Tokyo, Japan). 1.1 Synthesis of amino terminated

EXPERIMENT: 1 AIM: To prepare 100 ml of 0.1M NaOH (Sodium hydroxide) solution. MATERIALS REQUIRED: NaOH, beaker, distilled water, measuring cylinder, stirrer, weighing machine, paper. THEORY: NaOH is an organic compound aka caustic soda. It has Na+ as cationic part and OH− as anionic part. At ambient ordinary temperature this alkali decomposes protein causing severe burns. It is highly soluble in water and absorbs moisture and carbon dioxide from air. In many industries pulp and paper, textiles

Some people may ask what exactly is a chemical reaction? A chemical reaction is a process that involves rearrangement of the molecular or ionic structure of a substance. There is six types of chemical reactions named Synthesis, Decomposition, Single Replacement, Double Replacement, Combustion, and Acid base reactions. Synthesis is when two or more reactants combine to form one product. Synthesis always forms a compound. The equation for synthesis is A + B ---> AB. Water, which is H2O is a good

produce protons (H+), while the base is often an Arrhenius base—a substance that ionizes in water to produce hydroxide ions (OH-). A neutralization reaction between an acid and a base typically occurs in an aqueous environment in which all the reactants are dissolved in water. The products of a neutralization reaction are water, which is formed from the protons (H+) of the acid and the hydroxide ions (OH-) of the base, and a salt, which is “an ionic compound made up of the cation from the base and the

Maureen Dix Chem 245-002 Yang 4/13/17 Short Paper #2: Oxidation of 4-nitrobenzyl alcohol To begin the oxidation reaction, first prepare the oxidant that will be used. To make the oxidant combine 390 mg of each of the following compounds: activated 4Ǻ molecular sieve, PCC, and anhydrous sodium acetate. This mixture should be grinded into a powder using a mortar and pestle. Once the oxidant is made the reaction can take place. Obtain a clean, dry 5mL conical vial with a spin vane. Add 1.17 g of the