Sodium hydroxide

INTRODUCTION: Indigestion is difficulty digesting food; it causes pain or discomfort in the stomach. Most commonly, people suffer from indigestion by overeating, drinking alcohol while eating, or eating greasy, fried or spicy foods. Acid in the stomach helps digest food and prevents infection. Mucus lines the stomach, bowel and oesophagus and acts as a barrier against the acid. If the layer of mucous gets damaged, the stomach acid can aggravate and cause inflammation to the stomach; this leads…

(93%) of crude acetylsalicylic acid and a yield of 3.39 g (86%) of recrystallized acetylsalicylic acid. These results are relatively accurate. Similar results were obtained for the experimental yield of the reaction catalysed by concentrated sodium hydroxide; with a yield of 3.38 g (85%) of crude acetylsalicylic acid and a yield of 3.04 g (77%) of recrystallized acetylsalicylic acid. The experimental yield for the reaction catalysed be concentrated sulphuric acid was relatively low; with a yield…

oxidation of 9-fluorenol, which is the decrease of a molecule’s hydrogen content.6 The following chemicals were used in the experiment: 9-fluorenol, sodium hypochlorite (the oxidizing agent), sodium thiosulfate (the reducing agent), sodium bicarbonate, acetic acid, and acetone.3,6 To begin the experiment 9-fluorenol, acetone, acetic acid, and sodium hypochlorite were added in sulfate is added to remove excess water from the hexane layer that is collected using the separatory funnel.6 To…

The concrete is the second most used product world-wide after water. The construction industry is one of the vital sectors in the nation’s economy. The concrete mainly contains ordinary Portland cement as a primary binder and production of ordinary Portland cement causes 7% of the total greenhouse gases in to the earth’s atmosphere (Malhotra 2002) and production of the ordinary Portland cement produces carbon-di-oxide in mainly two ways , they are burning of fossil fuels and the other is…

Sodium hydroxide is not a good buffer system. The equation it forms is HCl + H2O → H3O+ + Cl-. HCl is a strong acid where the conjugate base is Cl-. Chlorine is too weak of a base therefore it will not make a buffer since it is too weak to produce one. Sodium hydroxide ions separate which leaves behind an extra OH- ions in the remaining water. The concentration of the solution forms…

acid esters are used as fragrance enhancers. The salts of benzoic acid serve as the preservatives. Most sodas and juices are preserved with sodium benzoate. 2. Literature study…

Antacids are a form of medication that many people take to help with an imbalance of the pH of their stomach acid because it neutralizes the gastric acid present (Antacids | Drugs.com). Although the is not just one brand of antacid that is available to people, and most people want to take the best antacid that will help with their acid imbalance. In our lab, we were given the question of which antacid out of the antacids provided to us was the “best” at neutralizing stomach acid. To answer that…

Potato Bubbles Introduction Our driving question for this lab was “How do changes in temperature and pH levels affect enzyme activity?” Throughout the duration of this lab, we explored enzymes and how environmental factors like pH and temperature affected enzyme activity. Enzymes are proteins that speed up chemical reactions. For this particular experiment, we studied the enzyme catalase, which is found in potatoes. Catalase reacts with hydrogen peroxide to break it down into its water and…

been made to identity different materials capable of controlling pestiferous insect infestation without causing damage to plants or negatively affecting animals and humans. Herein, we investigate the effects of glucose, ethanol, acetic acid, and sodium hydroxide treatments on the mortality and fecundity of C. maculatus. The data obtained was interpreted with a Student's t-test (P=<0.5). No statistically significant difference in beetle fecundity and mortality across treatment type was found,…

glassy (natural volcanic glasses or man-made glasses eg: fly ash or silica fume) or poorly crystalline [metakaolin]. Pozzolanic material consists of reactive silica and alumina, they do not harden when mixed in water but react with dissolved calcium hydroxide (Ca(OH)2) ] to form develop a strong calcium silicate and calcium aluminate hydrates. The pozzolanic reaction: (Gartner, 2011)…