Alkali Essays

The saponification (a reaction in making soap) process is a base (usually NaOH or KOH) hydrolysis of triglycerides to make salt (soap) and glycerol. Alkalis such as Sodium carbonate and Sodium hydroxide are used to neutralize the fatty acid and convert it to a salt. The molecules crystallize differently depending on the base used. NaOH produces a harder bar while KOH is used more frequently for liquid soaps. In some cases, Lithium soaps are formed and produce much harder soaps. There are four

Since driving your car every day, it's already a given that you're going to get dirty. If it rains or shines, placed in the garage or not, dust and dirt will accumulate in certain areas. Due to this, your car deserves some tender offer care, even in the simplest ways. As owner and driver, you can keep cleaning your car by washing and soaping your outside. Although you can always bring your car wash from the neighborhood, it will cost you some money. Finding the right soap to use is not a problem

Aim The aim of the experiments to be carried out is to determine the kinetic parameters, Km and Vmax, of Alkaline Phosphatase. Theory, Principles and Application of Principles Enzymes are a huge varying group of proteins which are needed to carry out essential metabolic functions in cells. Substrate-specific enzymes, like Alkaline Phosphatase, act as catalysts lowering the needed activation energy to convert the substrate to product. Enzymes are made up of amino-acids and amino-groups have side chains

Mercury Chor-alkali is the least common form of chlorine production because it creates a lot of drawbacks. The use of such a large amount of mercury results to be very costly, especially when involving the cost of environmental protection. While some of the pros of mercury might include requiring low brine purity and very high quality of products, mercury technology is one of the most expensive technologies when it comes to electricity consumption, which makes it very unsustainable. While Diaphragm

are copper, zinc, silver, and magnesium. The solutions are copper nitrate, silver nitrate, zinc nitrate, and magnesium nitrate. If the element is in the alkali earth metals such magnesium than it should be more reactive with the solutions than most groups and the metals in the transition metals should have some reaction to some solutions. Alkali earth metals are pretty reactive while transition metals are less reactive. Analysis:

elements in order relative atomic mass. Mendeleev realized that the characteristics of the elements where according to their atomic weight, so he arranged them so elements with the same properties would be in a column called a column. Column one is the alkali metals. Column two is the alkaline earth metals, Columns three thru twelve are called the transition metals. Column seventeen is the halogens. Lastly, column eighteen is the noble gases. These columns are used to divide

strong enough to carry ores and couldn’t easily broke. Davis felt really tired of this continuous complaining. At this point, I think that Davis had no idea for the solution because it was already many times since Alkali came to him and he couldn’t do anything. He tried to pacify Alkali and stop his complaints with a kind of joke to secure the pockets with copper

by the dissociation of the acid: HA ⇄ H+ + A- Hence, when acid is added, the excess H+ reacts with the A- to form more HA, lowering the pH and minimising the effect of the addition of acid. When alkali is added, the OH- reacts with the dissociated H+ to form water, which reduces the effect of the alkali by restoring the pH to normal levels. Alka Seltzer acts as a buffer because the citrate ions in solution (C6H5O73-) are able to react with H+ when acid is added, to form citric acid, C6H8O7. This

The Element Potassium The element Potassium was discovered in 1807 by a chemist named Humphry Davy. Potassium was named after the English word “potash”, originally meaning an alkali extracted with water in a pot of burned wood and ashes of plants. Metallic potassium was first isolated by Humphry in 1807 through the electrolysis of molten caustic potash in which potassium was the first isolated metal. The symbol “K” comes from the Latin word meaning kalium and this element is not found in nature

and aggressive management to maximize visual outcome. The outcome ranges from full recovery to a permanent loss of vision. Available options for treatment include medical and surgical interventions. Our case is a young adult male who had a grade II alkali burn in his right eye after an accidental exposure to chemical powder at work. He was medically managed aggressively after admission to a medical ward at King Hamad University hospital with good outcome. Herein, we will discuss and focus in different

P1 - Volumetric Analysis Made Easy The periodic table is split into 8 different categories. Group 1 consists of alkali metals which are very reactive. However group 7 contains very reactive non-metals. The periodic table starts from alkali and ends at noble gases (Group 8). Sodium (Na) and Potassium (K) are examples of alkali metals. Helium (He) and Krypton (Kr) are examples of noble gases. The elements that fall under the same groups have similar chemical properties. Atoms of the elements in group

Explain how the molarity of the standard solution (the alkali) was calculated in the experiment (equation explained)- 0.1M of NaOH is required, this equation will be used: Concentration = moles volume This will be rearranged to find the moles needed to carry out the experiment.

The Noble gases have the smallest values for the atomic radius The Alkali metals have the highest values for the atomic radius The Noble gases have the highest values for the first ionization energy The Alkali metals have the smallest values for the first ionization energy The atomic radius of the transition metals are all decreasing and are doing so in a steady manner that they could all

and water, extra care is taken when storing these elements. For this reason they are stored under oil. properties of alkali metals When lithium, sodium and potassium react with water they float on the surface, this is due to their density being less dense than the density of water. when this reaction occurs hydrogen is given off. The metal reacts with water to form an alkali, this is the hydroxide of the metal. sodium forms sodium hydroxide potassium forms potassium hydroxide and so forth

acid, glycerol, monoglycerides, and diglycerides. High free fatty acid level, i.e. quantum of free fatty acids greater than 1 mg/g KOH, results in generation of high amounts of undesirable soap simultaneously with transestrification reaction. In the alkali-catalyzed process, the presence of free fatty acid (greater than 1 mg/g KOH) and water in the oil can cause high amounts of undesirable soap formation, also consuming some quantity of alkaline catalyst and reduces the effectiveness, all of which result

malachite), sand (silica) and an alkali flux (sources of alkali could either have been natron from areas

In 1869 Dmitri Mendeleev introduced a new concept of how to read, understand, and use several elements for chemical equations and experiments based on their properties. This concept is known as The Periodic Table which, cited from the Merriam-Webster dictionary, is "an arrangement of chemical elements based on the periodic law". However, even though he was the first to find out a pattern between every element, he unfortunately was not the first to attempt at the arrangement of the elements. The periodic

Add 50 to 100 ml of freshly neutralized hot ethyl alcohol and about one ml of phenolphthalein indicator solution. 4. Boil the mixture for about five minutes and titrate it against the standard alkali solution while shaking vigorously during the

General reaction of alkali hydrolysis The nylon polymer also only has a partial resistance to sunlight and weather conditions. T he ultraviolet rays from sunlight causes the amino groups of the amide groups to react with the oxygen present in the air, which then produces

Experiment 1 In this experiment we added different Alkali metals to water and noted the observations with Universal Indicator. PROCEDURE 1. First we took some amount of water in a beaker and added 2-3 drops of Universal Indicator 2. Then we cut the Sodium metal into small pieces 3. Then we added the cut pieces to water in the beaker and noted the change observed. 4. We repeated steps 1-3 for Lithium as well OBSERVATIONS 1. Upon adding the drops of Universal Indicator we noticed the short color change