I am going to investigate osmosis when potato is placed in different concentrations of sucrose. I am aiming to witness osmosis in 5 different concentrations of sucrose. I will use 5 varying concentrations so that I have a wider spread to compare the results, and …
Recrystallization of Benzoic Acid Objective To purify benzoic acid by recrystallization and gain experience with a basic organic laboratory techniques. Background Products of chemical reactions are often contaminated with impurities. One method for purifying chemicals, recrystallization, takes advantage of the differences in the solubilities of …
Tutorial 1: Atomic Structure and Bonding in Solids 1. (a)Cite the difference between atomic mass and atomic weight. (b)Silicon has three naturally-occurring isotopes as shown in the table below. On the basis of this data, confirm that the average atomic weight of Si is 28. …
Applied Heat past Examination Questions 1. An Ammonia refrigerator is to produce 2 tonnes of ice per day at -4°C from water at 20°C. if the temperature range in the compressor is between 25°C and -6°C, Calculate the horsepower required to derive the compressor. Latent …
Thermodynamics of the Dissolution of Borax Lina Jawadi Objectives: Study a system of salt and water solution. Determining a variety of important thermodynamics quantities from the solubility information at various temperatures. Background: The salt and water solution in this experiment has a relatively simple solubility …
Bacterial Morphology Demonica Britt Microbiology DL1 March 23, 2013 Abstract This lab was performed to identify and familiarize with a microscope while precisely observing various bacterial shapes and their arrangements in different types of specimens of bacteria. The microscope parts and capabilities were clearly identified …
University of Santo Tomas Faculty of Pharmacy Organic Chemistry Laboratory APPLICATION OF DIFFERENT KINDS OF TEST TO CLASSIFY HYROXY- AND CARBONYL-CONTAINING COMPOUNDS Jane Catherine SP. Villanueva, Edenn Claudine C. Villaraza, Lorenz Oliver C. Villegas and Cristel Bernice T. Wee Group 10 2G-Medical Technology Organic Chemistry …
Separation of cream from full cream milk using the Disc- Bowl Centrifuge. Introduction:- Cream is usually a dairy product containing high fat percent, which can be seen floating on the top before the homogenization process. When the milk is unhomogenized, overtime, the fat lighter in …
The evaporating of harmful gases, earthquakes, and some evidences from the manhole are the manifestations showed that an underground volcano was forming under the city. This means that there was already lava under the city and the ground cannot take the pressure anymore so it …
Meghann Kiphart AP Biology Lab Report Number One Mrs. Irvine Introduction: Because all molecules have kinetic energy and are constantly in motion cells go through a process called diffusion. Diffusion is the movement if molecules from an area of higher concentration to and area of …
eInvestigating water potential of swede The aim of our experiment was to investigate the water potential of swede and then use our results to help us determine the water potential of plant tissue. This overall flow of water from a dilute area of high water …
Turn the tap on and drink a glass of water. Does it taste funny? Is it clear? The water you are drinking may be toxic without any such indicators. Water is all around us; it is essential for life. Over two thirds of earth’s surface …
Synthesis of Dulcin Objective: The main objective of this lab is to gain experience at a typical synthesis and semi-microscale recrystallization. Discussion Questions: How fast should the temperature be raised when determining a melting point? When can the temperature be raised more quickly? If there …
Application of Fluorescence Spectroscopy in Chemical Oceanography: Tracing Colored Dissolved Organic Matter (CDOM) Erika Mae A. Espejo 3rd year, BS Chemistry, University of the Philippines, Diliman Abstract Dissolved organic matter (DOM), the fraction passing through a 0. 45 µm membrane filter, is considered poorly understood …
The history of explosives and propellants, also known generally as ‘energetic materials’ began with the material known as gunpowder or black powder, whether the intended use was for civil applications such as rock blasting, military uses in demolition, shell filling (bursting charges) and construction projects, …
Introduction The range of Infrared region Is 12800- 10 cm-l. It can be divided into near-infrared region (12800 – 4000 crn-ll mid-infrared region (4000 – 200 crnl ) and far-infrared region (50 ” 1000 cm-l). scientists have established various ways to utilize infrared light. Infrared …
CHEM. RES. CHINESE UNIVERSITIES China Abstract A sensitive, simple, and low-cost method based on capillary electrophoresis(CE) with electrochemical(EC) detection at a carbon fiber microdisk electrode(CFE) was developed for the determination of nicotine. The effects of detection potential, concentration, and pH value of the phosphate buffer, …
Lab 5Cellular Respiration Introduction: Cellular respiration is an ATP-producing catabolic process in which the ultimate electron acceptor is an inorganic molecule, such as oxygen. It is the release of energy from organic compounds by metabolic chemical oxidation in the mitochondria within each cell. Carbohydrates, proteins, …
You can gain access to the elf menu, for the quantum lab, by clicking on the bell in the stockroom. The general features of the inorganic simulation include 26 actions that cam be added to test tubes in any combinations, 11 reagents that can be …
Introduction Background of the Study Like many other hygiene convenience, shoe polish or can also be called boot polish is usually a wax , cream or paste used by people to shine, water proof and restore the appearance of leather shoes. This extends the footwear’s …
Chemical Engineering and Processing 41 (2002) 551– 561 www. elsevier. com/locate/cep Evaluation of steam jet ejectors Hisham El-Dessouky *, Hisham Ettouney, Imad Alatiqi, Ghada Al-Nuwaibit Department of Chemical Engineering, College of Engineering and Petroleum, Kuwait Uni6ersity, P. O. Box 5969, Safat 13060, Kuwait Received 4 …
It all started with the manufacturing of flash light batteries in Calcutta by the Eveready Company Limited of Great Britain. Later on this company became a subsidiary of UCC headquartered in New York. The company later adopted the new name of Union Carbide India limited …
Name: Derell Ruan Form: 4B1 SBA: Chemistry Aim: To determine which gas, Ammonia or hydrogen chloride defuses faster. Hypothesis: Ammonia will defuse faster than hydrogen chloride. Materials Equipment: Chemicals: 2 retort clamp and stand Ammonia 1 ? m glass tube 2 250cm3 beakers Cotton Wool …
Lab Design “Investigate the effect of a factor on the number of stomata of a leaf. ” Research Question How do differing leaf heights affect the number/density of stomata of a leaf? Hypothesis Stomata are pores, typically found under the leaf (lower epidermis), that control …
Alex Wilson 9/11/12 Experiment #2 Separating the Components of Panacetin: Introduction: Of the three components likely to be present in your sample of Panacetin (aspirin, acetanilide, and starch), only starch is insoluble in the organic solvent dichloromethane (or methylene chloride), CH2 Cl2. If a sample …
Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or damages the natural environment into the atmosphere. The atmosphere is a complex dynamic natural gaseous system that is essential to support …
Using the graph, estimate the time at which 50 percent of the leaf disks were floating on the surface. The point at which 50 percent of the leaf disks are floating will be you point of reference for future investigations Using the graph the estimated …
Whether it be the 4th of July, a day at Disneyland, or Chinese New Year, fireworks can be used to appeal to people of all ages, genders, and races. These low explosive pyrotechnic devices are primarily used for aesthetic or entertainment purposes. Fireworks come in …
I. Introduction A. Topic Overview Carbon-intensive sources of energy (i.e. fossil fuels) are among the most used sources of energy to date. In fact, “more than 85% of all primary energy on earth comes from fossil fuels” (McGuigan, 2003). The rest are initiatives to use …
In order to understand the activity of enzymes at different temperatures the ability of the enzyme to function can be measured. This is important in many applications such as Polymerase Chain Reaction for forensics as well as genetics research where manipulation of temperature-dependent enzymes allows …
Conjugation
The word "conjugation" is derived from a Latin word that means "to link together". In organic chemistry terms, it is used to describe the situation that occurs when π systems (e.g. double bonds) are "linked together". An "isolated" π (pi) system exists only between a single pair of adjacent atoms (e.g. C=C)
Kinetic energy
Kinetic energy is the energy associated with objects in motion. Potential energy is the type of energy associated with an object's potential to do work. Chemical energy is the type of energy released from the breakdown of chemical bonds and can be harnessed for metabolic processes.
Physics
Chemical physics is concerned with the application of the concepts and theories of physics to the analysis of chemical systems and their physical behaviour. While also at the interface between physics and chemistry, it is distinct from physical chemistry.
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