Hydroxide

able to measure it by using a thermometer. We also used ice to lower the temperature of the water. In some cases, we needed to measure the pH by using the strip and analyzing by comparing it to the pH chart. The vinegar, bromothymol, sodium hydroxide and Lugol was shared throughout the classroom by other classmates. Before the labs began, we initiated by labeling the two trays. The four-well tray reagent tray was labeled with tea, starch, MOM and 0.1 M Acetic Acid. The three-well…

A macromolecule is a molecule that contains any "large number" of atoms. There are four main different categories of macromolecules that make up our body: carbohydrates, lipids, proteins, and nucleic acids. (1) Carbohydrates are sugars that store and transport energy. (2) Lipids also store energy and also are signalling molecules. (3) Proteins are linear chains of amino acids that help with the structure, function, and regulation of the body’s tissues and organs. (4) Finally, Nucleotides make up…

Before the invention of modern antacids, people would chew chalk (calcium carbonate) to relieve the burning felt by too much acid in the stomach. But most currently used antacids are a combination of aluminum and magnesium hydroxide, often containing sodium bicarbonate as well. The antacids counteract stomach acid by neutralizing the acid, because antacids are formed of bases. Stomach acid, or gastric acid, is made of hydrochloric acid, potassium chloride, and sodium chloride…

hydrothermal fluids pass through the volcano-sedimentary rocks in the sedimentary basin, and elements such as Mn, Fe, Ca, and Si are therefore leached from the mafic rocks into the water. These elements are then precipitated as Fe- Mn oxides and hydroxides (such as goethite, hematite, magnetite and manganite), and carbonates during magmatic lull. Iron-manganese precipitation in the shallow depositional environment in the Venarch area has formed the bands of manganese, hematite, silica, and…

Fast Food: Is it worth it? Fast food is the most convenient food for Americans to have access to. When driving down the highway, a driver always has the option of numerous fast food chains at a lot of different exits. Fast food chains are not only convenient, but they are also cheap. Although the temptation of fast food is prominent, people need to check into what is going on at these restaurants. Reasons to avoid fast food restaurants include false advertisement of food, effects on the human…

Strengths - They are an enormous organisation with the biggest quick service market share in the world with eight percent of the total world sales having more than 34000 outlets that serves around 69 million customers every single day all over the world. - Their brand recognition is booming, being known as one of the most known brands in the quick service industry which is valued at $40 billion as of today. There are a lot of areas of McDonalds that has helped to achieve this brand…

failure, and respiratory failure are usually the cause of death. There is no treatment for CJD, prions survive even outside of the human body. They survive cooking, freezing, pickling, and even sometimes autoclaving which is sterilization in sodium hydroxide. There are several ways to diagnose this disease. Spinal testing for a protein called 14-3-3, MRI of the brain, Electroencephalogram (EEG), CT scan of the brain, and blood tests may be done on a person. CJD can only be confirmed with a…

Summary: James A. Lovell, who was one of the three men to go into space, speaks of his experiences and feelings about what had happened on the mission of Apollo 13. James as an astronaut and NASA executive for eleven years. He answers some frequently asked questions and talks about why he had faith in the mission. Lovell goes into depth about the issues that the crew and the men on Earth had to work through, and the quick fixes that saved all three men’s lives. In this entry, he explains what…

Upon completion of the digestive process, move the rack from tubes to refrigerate the tube vertically for 10 to 20 minutes. After that, add 75 mL of distilled water carefully into the tube which has been cooled followed by the 50 mL of 40% sodium hydroxide, NaOH. In order to prepare the distillate samples, 25 mL of 4% boric acid with 10 drops Bromocresol green indicator are added to recipient solution in a 250 mL conical flask and subsequently placed into the Kjeltec 2100 Distillation unit…

has dissolved and the solution is still stirring, ammonia was added in droplets until the mixture became a deep blue color. Once this was stirred I filtered it until most of the liquid was gone. It was then mixed with water and stirred as sodium hydroxide was poured in and then filtered again. The solid was stirred in with ammonia which made it change to a blue green…