Purifying Acetanilide by Recrystallization Essay Preview: Purifying Acetanilide by Recrystallization Report this essay Purifying Acetanilide by Recrystallization Four test tubes of 13×100 were obtained and labeled “Acetone”, “Water”, “Ethanol”, and “Petroleum Ether.” Approximately 100 mg of Acetanilide and 2.0 ml of appropriate solvent were added in each test tube. The test tubes were stirred thoroughly..
Pyrrole Derivatives and Their Modern Applications Essay Preview: Pyrrole Derivatives and Their Modern Applications Report this essay [pic 1]Â [pic 2][pic 3]AbstractPyrrole is a versatile molecule which has various applications. Pyrrole derivatives have found use in dyes, pigments, polymers and coatings, pharmaceuticals. Most of the applications covered in this report are post 2006. Applications in.
Purification of an Ester Essay Preview: Purification of an Ester Report this essay Introduction ESTERS are compounds derived from the reaction of a organic acid with an alcohol. Acid + Phenol/alcohol –> ester + water Esters are the compounds that give fruits their characteristic flavours and odours. ie. methyl salycilate is “Oil of Wintergreen”. To.
Caffeine Lab Record/Data: Weight of tea bag = 2.3643g Weight of tea used = 2.3643g *3 = 7.0929g Filter flask weight = 79.1895g Crystals in filter flask = 79.3601g Caffeine recover = 79.1895g – 79.3601 = 0.1706g Caffeine recovered per bag of tea = 0.1706g / 3 bags = 0.0569g (1000mg/1g) = 56.9mg Melting point.
Properties of Water Water has many unique properties that make it one of the most common substances on earth. These properties include water’s three states of matter, high heat of vaporization, and polarity of water. Water’s three states of matter are liquid water, ice, and gas, or vapor. Liquid water is the most dense of.
Double Displacement Lab Essay Preview: Double Displacement Lab Report this essay During the lab, the main type of reaction were double displacement which is the molecular process involving the exchange of bonds between the two reacting chemical species. This results in the creation of products with similar or identical bonding links. This type of reactions.
Early Earth and Origins of Organic Molecules Essay Preview: Early Earth and Origins of Organic Molecules Report this essay THE EXPERIMENT – Urey and Miller Urey and Millers experiment simulated hypothetical conditions thought at the time to be present on the early Earth, and tested for the occurrence of chemical origins of life. The experiment.
Distillation CaseEssay Preview: Distillation CaseReport this essayThe boiling point of a substance is a physical property of a substance and can be useful for characterizing that substance. The fact that different substances have different boiling points allows us to separate them. The process of heating a substance until it is vaporized, cooling the vapors, and.
Brellium Essay Preview: Brellium Report this essay Be Protons = 4 Electrons = 4 Atomic # = 4 Neutrons = 5 Atomic mass = 9 Valance Electrons = 2 Beryllium has one of the highest melting points of the light metals. Beryllium is a steel grey, strong, light-weight and brittle, alkaline earth metal. Beryllium and.
Dna – Alpha, Beta, and Gamma Radiation Essay Preview: Dna – Alpha, Beta, and Gamma Radiation Report this essay Scientists have a window back into history to figure out what different types health issues people have carried from one generation to next. Human DNA is a system that supports the human body to work properly.
