New chemical entity

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Purpose: The purpose of this lab is to prove and discern the empirical formula of copper oxide using the Law of Conservation of Mass. This states that in measuring the mass of each component of copper oxide and determining the percent composition of each the copper and the oxygen within copper oxide it is possible to find the ratio of the elements within the compound. Procedure: In order to conduct this lab, 25.1mL of distilled water then 25.5mL of 3M HCl must be added 2.11g of copper oxide.…

Analysis Experiment #1 (Solid) a). My hypothesis was incorrect because I thought the fire going around the brass ball would make it smaller and when the ball through the hoop it would fit easily. I was wrong because the heat made the particles expand which lead to making the brass ball bigger. My second hypothesis was correct; I had thought the water would make the ball smaller and therefore fit through the hoop easier. The water cooled down the ball making the particles contract. When we…

Kinetic and potential energy play an essential role in the segments or phases in a heating or cooling graph representing an exothermic or endothermic process. Kinetic energy is the energy of a system that is in motion of the particles in the system. Potential energy is the energy of a system in which it represents the arrangement of the particles of the system. Kinetic energy and potential energy never increase or decrease at the same time, however, when one energy is changing the other remains…

There are several different reactions that can be utilized in order to end with a product that includes the synthesis of carbon-carbon bonds, however for this experiment the reaction that was utilized is aldol condensation. An aldol condensation is when an enolizable aldehyde or ketone undergoes a reaction, in the presence of a base or acid, and gives a beta unsaturated ketone or aldehyde (Utah Valley University, 2009). This type of reaction can also add carbonyls to a compound, using similar…

Lab 1 – Ion Exchange Chromatography Danielle Small John Wright 20/01/2016 Introduction: This lab will use ion exchange chromatography – a process in which differently charged ions are separated, by altering the pH of the solution; which shifts the equilibrium of the molecules. During this lab we will separate two compounds from one solute that will be formed by amalgamating a ‘slurry’ – provided by the instructor. Resin or cellulose is used to create a sound support unit in order maintain a…

The sparking, luminescent and clear thing we call water is essential to almost every organism on planet Earth. Water so much more complicated and interesting than most people think. Water is made out of two hydrogen atom and one oxygen atom. Two major characteristics of water is cohesion and adhesion. Cohesion is the attraction of the water molecules to itself. Adhesion on the other hand is the attraction of water molecules to the substance that also have dipolar characteristics. The cohesion of…

An enzyme is a macromolecule that acts as a catalyst in which it speeds up reactions by lowering activation energy (Campbell 151,152). Activation energy is the energy that is required for a reaction to take place (Campbell 152). In the reactions there are substrates which are reactants that enzymes act on (Campbell 153). Enzymes bind to the substrates then creating an enzyme-substrate complex, and while the two are joined together the catalytic action of the enzyme changes the substrate to the…

the empirical formula of a compound when the amount of it is known. By dehydrating the copper chloride hydrate sample and using it for an elemental copper-producing chemical reaction, one can isolate the masses of the water, copper, and chloride and determine their mole ratios. Since the Law of Definite Proportions states that a chemical compound always contains fixed proportions of its constituent elements by mass, the mole ratios can be used to find the empirical formula of the copper chloride…

Design- In this experiment we selected the happy sack to use for our experiment, as this sort of ball doesn’t bounce when dropped to the ground and this then gives us more accurate data for us to compare with the theoretical time. To record the closest accurate time and distance we could get, the equipment we chose to use, were two stopwatches so that we could compare the human reaction times and a tape measure to correctly measure the distance that the ball is going to fall from; which counted…