OBJECTIVE: * To determine the molecular weight of a volatile liquid by using Dumas method. METHOD: MATERIAL | CHEMICALS | 125 mL Erlenmeyer flask | Known liquid (2-propanol) | Rubber band | Unknown liquid | Boiling chips | | Watch glass | | 100 mL graduated cylinder | | Pin | | 600 mL beaker | | Hot plate | | Thermometer | | Room temperature water | | 6 × 6 and 8 × 8 aluminium foil | | PROCEDURE: SAFETY * Lab Coat and Safety Goggles. * Keep the bottles
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be writing notes to accompany the cash flow forecast. I will be explaining to Sharma and Ryan why a business in general might experience cash flow problems‚ why this can cause difficulties and any potential dangers I can see specific to SIGNature’s cash flow forecast. What is a cash flow and the purpose of it? A cash flow is a measure o the money coming into the business and the money going out of the business on a regular basis. A cash flow forecast predicts in advance what the inflows and outflows
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Subject: Chemistry SL Title: Preparation of a salt (lead iodide) by using precipitation method. Aim: To produce 1.50 g of lead iodide‚ PbI2‚ assuming 100 % conversion‚ using 1.00 g solid potassium iodide‚ KI‚ and 0.1 M lead nitrate‚ Pb(NO3)2 solution of volume 30 cm3 and hence calculate percentage yield. Calculations: 2KI(s) + Pb(NO3)2( aq) —> PbI2 (s) + 2KNO3 (aq) Mass of PbI2 to be produced = 1.5 g Moles of PbI2 = = 0.003 Moles of KI = 0.003*2 = 0.006 Mass of KI = 0.006*166 = 1.00 g
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went on a stinking 4 hour hike! It was terrible and my legs were fading. We then had dinner. The taste of the spaghetti filled my taste buds with satisfaction. After that we had a lesson about the Alpha Wolf. We then went looking for the Alpha Wolf. When we were in the middle of looking for the Alpha Wolf when they had to shut down Atwood because people spotted Clowns and Isis. Well‚ we didn’t know that and the our group
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Using the Method of Continuous Variations to Determine the Mole Ratio between Reactants Abstract: The purpose of this lab was to find the molar ratio of NaClO and an unknown substance labeled solution “B”. Using the method of continuous variation the ratio of the two solutions were changed but kept equal to 50 mL. The reaction was an exothermic oxidation-reduction and the temperature change was measured to determine which ratio of NaClO to solution “B” was optimal. The ratio with the highest temperature
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Five Day Forecast‚ by Lorna Simpson depicts a composition of five large black and white photographs cut off at the torso of a woman on each day of the workweek. Simpson illustrates a black woman in a plain ill-fitted shift dress. This woman stands facing the camera‚ arms crossed‚ accentuating the strength and the muscular build of her arms only to emphasis in on the looseness of the fabric hanging from her upper body. This pose portrays a feeling’s of defense‚ rebellion and contemplation. When looking
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CAPACITY AND DEMAND Capacity management is the activity of coping with mismatches between supply and demand. Capacity is the ability an operation or process has to supply demand. Usually this means how many products or services it can produce over a period of time. It’s something that is a basic responsibility of operations managers in any kind of organization. Therefore‚ one of the first things that any manager must ask themselves is‚ what is the operation’s‚ or process’s‚ current capacity
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questionnaire‚ this study used the Cronbach’s Alpha which is the most popular model to determine the correlation among the items and to assess the internal consistency of a questionnaire (or survey) that is made up of multiple Likert-type scales and items. According to Sekaran and Bougie (2010)‚ the range of Cronbach’s Alpha less than 0.60 is consider poor and the range above 0.60 and 0.70 indicate at the level of acceptable. If the Cronbach’s alpha coefficient is closer to 1.0‚ the consistency
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9. Piper Alpha video review The Piper Alpha’s tragic chain of events occurred because of a number of safety procedures were not met or implemented. The almighty dollar was given preference over the safety of hundreds of lives. We found a number of unsafe situations that could have been avoided if the right Safety management system was in place. These are our findings. 1. The oil rig recently introduced a new gas pipeline in the weeks leading up to the disaster. The rig wasn’t designed to be a gas
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“Demand for Industrial Products is derived”. Explain and also how would you estimate the demand for compressor for refrigerators and air conditioners? Industrial marketing - definition Industrial marketing consists of all activities involved in marketing of products & services to organizations i.e. commercial enterprises‚ profit & not for profit institutions‚ government agencies‚ & resellers‚ that use products & services in the production of consumer or industrial goods & services‚ & to facilitate
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