Chemistry

The objective of the assessed practical is to investigate the effect of different concentrations of sodium chloride on the rate of hydrolysis of starch using the enzyme diastase, or more…

Molecule Investigation Introduction Thomas Pilot Vitamin C (ascorbic acid) is an essential component of human nutrition, as it is an antioxidant that the body requires. Having a deficiency in Vitamin…

Stoichiometry is a section of chemistry that uses the relationship and/or products in a chemical reaction to determine quantities dated for reactants or products in a reaction. Stoichiometry can be…

Chemistry GENERAL CHEMISTRY: Atomic Structure and elementary quantum mechanics: Blackbody radiation, Planck’s radiation law, photoelectric effect, Compton Effect, de Broglie’s hypothesis, Heisenberg’s uncertainty principle.Postulates of quantum mechanics, Schrodinger wave equation…

The calcium is precipitated as calcium oxalate CaC2O4,H2O by treating a hot hydrochloric acid solution with ammonium oxalate, and slowly neutralising with aqueous ammonia solution: Ca2+ +C2O42- +H2O = CaC2O4,H2O…

Scientists require a large amount of equipment in order to successfully plan, complete, and analyze experiments they conduct. The specific apparatus used varies significantly from lab-to-lab and depends mostly on…

One of the most unlikely success stories in the history of chemistry is the one of Dmitry Mendeleev. Mendeleev was born in Tobolsk in Siberia on February 8, 1834. He…

Our entire universe is made up of matter which is constantly changing forms and evolving into other forms of energy. Chemistry is defined as the study or science of this…

In the early 1860’s the French beverage industry was thriving. Pasteur was called upon to tackle some of the problems that were plaguing the industry. The special concern was the…

There are several factors that can affect the rate of reaction of peroxidase such as temperature, pH, concentration of peroxidase present and whether or not it has been boiled. Our…

Nanotechnology is a multidisciplinary field. It includes such fields as material science, applied physics, interface and colloid science, supramolecular chemistry, device physics, chemical engineering, biological engineering, mechanical engineering and electrical…

The objective of the experiment was to prepare Benzilic acid by multistep synthesis starting with benzaldehyde. In this setup however, product of the first step, Benzoin, is provided thereby omitting…

From the foods we eat and the medicines we take to the products we regularly use, our lives are inextricably linked to chemicals and their operating principles. Chemistry is everywhere….

The problems of cement equipment for industrial use refractory cement rotary kiln from the perspective of environmental protection is also restricts the development of the cement kiln refractories, in accordance…

Chemical equilibrium is a true balancing act. What happens when the balance is disturbed? The purpose of this lab is to observe the effects of concentration and temperature on equilibrium…

Bleaching of crude palm oil will be carried out using a mass ratio of 1 synthesized adsorbent to 11 CPO. The CPO in bottle is well shaken before pouring into…

Even there is a benefit of instant noodles such as a high carbohydrate, but most of the materials in instant noodles are very dangerous. If you eat instant noodles not…

When humans are exposed to chemicals, they are not exposed to just one chemical at a time. A vast number of chemicals penetrate our environment. Exposure, whether simultaneous or sequential,…

Lesson 08.01: Half-life and Radioactive Decay·Distinguish between nuclear and chemical reactions. ·Compare and contrast different types of nuclear decay and the properties of the three types of radiation (alpha, beta,…

Answer 5-(a): The narrator was surprised to see the boys shining shoes because he thought that they sold fruits for a living. However, when he questioned the boys regarding this,…