Laboratory equipment

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needs these separation techniques in order to have the separate substances. Dependent Variable: The masses of the materials and the mixture. This is measured by using the balance this is the best way of weighing the mass because this is the easiest way to measure mass. Controlled Variable: The original amounts of the mixture. This is the controlled variable because during the lab, the chemist is trying to obtain the original amounts of each of the materials. Materials: - Heating Plates -…

The first and foremost procedure for this lab is to be familiarized with the lab equipment. The principle components to be interacted in this lab is the work station, the wind tunnel, the AOA adjusting handle, the airfoil with tufts, and the wind tunnel frequency controller. Switch the control mode for the tunnel frequency controller to be LOC or local of local control would be used instead of remote control. Make sure that the tubes are connected in a way such that the air and pressure should…

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Task 2 & 3: A. Pile the seaweed up on the tin lid supported on a tripod and begin heating with a strong Bunsen flame. It may have to be added a portion at a time during the heating, given the quantity to be reduced to ash. When all has been turned to ash, about a dessertspoonful of residue will remain. During the experiment we piled the seaweed into a tin container and placed it on top of a tri-pod which was placed over a Bunsen burner allowing the seaweed to burn and inevitably turn into ash so…

During the laboratory section two devices were used; these were the DE2-115 board and a computer, containing the software system Quartus II. Each of these devices were very significant for gathering information during the duration of the lab and shall be explained further. The DE2-115 board was the device provided in the lab that displayed the output for viewing by the student. The portions of the DE2-115 board that were used during the duration of the lab were the switches, the LEDs, and the…

P1 – Task 1, M1 – Task 2, M2 – Task 3 Iodine Extraction Equipment:  Goggles  Fume cupboard  2X 250cmᶾ beaker  Filter funnel  Filter paper  Separating funnel  Bunsen burner  Tripod  Gauze Method: 1. Set up the equipment with the Bunsen burner and tripod on the heatproof mat with the gauze on top of the tripod. 2. Add the seaweed to the tin lid and place on top of the gauze (try not to use any ‘pods’ of seaweed as they pop when heated which could be dangerous). Light the Bunsen burner and…

The average water volume calculated for the burette was 10.029 mL, which is 0.029 mL from the actual water volume of 10mL. Because, 0.029 mL was the smallest difference from the actual 10 mL, it is considered the most accurate piece of equipment. On the contrary, the least accurate instrument, the graduated cylinder, provided an average water volume of 9.672 mL, which is 0.328 mL from 10 mL, the largest difference presented from the three instrument…

Procedure: Why it is important: What equipment it is likely to relate to (examples): Knowledge of equipment Knowledge of the equipment in which is in the laboratory is very important, as the equipment in which needs any maintenance is then kept maintained. It is also important so you know the places in which equipment needs to go in and you know where to look for specific things. - Where the glassware is situated as it should all be grouped together to decrease chances of breakages or equipment…

Experimental: Materials – double salt (self-made & EIU Chemistry Stockroom), 6 M HCl (EIU Chemistry Stockroom), 10% BaCl2, 6 M HNO3 (EIU Chemistry Stockroom) Equipment – Ocean Optics Spectrometer USB4000, Logger Pro Procedure – In order to find the mass percent of the sulfate, the sulfate needed to separate itself from the rest of the double salt. To do this, experimenters began by weighing out 0.998 g of the double salt into a 250-mL beaker. They then used the graduated cylinder to add about…