Theory: Distillation is the conversion of a mixture of substance into vapors which is afterwards condensed to the liquid form. It cans separation or purification of substances by taking advantage of differences in volatility. The purpose of this lab is comparing the efficiency of two distillation methods with the mixture of ethanol and 1-butanol. in theory the fractional distillation should be more efficient because of the steel sponge. The sponge acted as surface area for gas to condense on. This
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SOLID AGRICULTURAL COMPANY I. EXECUTIVE SUMMARY Solid agricultural company is a family owned company that has been in existence since 1960. It operates piggery farms in Antipolo‚ Rizal and Meycauayan‚ Bulacan. It has grown conservatively due to limited family resources. The family has not resorted to‚ using borrowed funds. The company was previously primarily managed by Mr. Henry Koh. But in the recent years‚ his son Mr. Manuel Koh helped in the management of the company. Mr. Manuel Koh saw an
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The Problems of the New State The Problems of the New State The attainment of independence brought an end to one phase of the struggle and marked the beginning of a new one for setting up and running a viable‚ stable and prosperous state. Pakistan began its independent life under very difficult and unfavorable circumstances. Pakistan faced serious problems in the initial stages. 1. New Administration 2. Division of Assets 3. Integration of Princely States 4. Communal Riots and Arrival of
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dissolve 10 g cane sugar in a mixture of 20 mL glacial acetic acid. Boil mixture for 30 minutes. Add the phenylhydrazine solution through the condenser. Remove from the hot plate. Rinse with 5 mL of 1:1 mixture of water and glacial acetic acid to complete the transfer of phenylhydrazine. When a yellow solid emerges‚ swirl the mixture. Wrap a dry cloth around the flask. Cool to room temperature (preferably overnight). Filter off osazone. Press and drain it. Wash with a cold mixture of 10 mL each of water
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A solid argument consists of a claim‚ reasons/evidence and conclusion. “Reasons are beliefs‚ evidence‚ metaphors‚ analogies‚ and other statements offered to support or justify conclusions. When a writer has a conclusion she wants you to accept‚ she must present reasons to persuade you that she is right and show you why. You cannot determine the worth of a conclusion until you identify the reasons” (Browne & Keeley‚ 2012‚ p.28). Absent reasons or conclusion the argument is weak‚ unclear‚ pointless
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pressure. Introduction Molar mass or gram molar mass is the mass of the substance under consideration without distinguishing whether a substance is an element ‚ a molecule or an ionic compound. These elements‚ molecules or ionic compound could be solid gas or liquid. The molar mass of gas or vapor could be measured if the gases obey the law of Ideal Gas . The mass of the gas is found under known temperature and pressure. Method/procedure To measure the unknown volatile liquid molar mass‚ the formal
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SEPARATION OF MIXTURE OBJECTIVE: To separate the components of a mixture based upon physical characteristics of each component within the mixture. Secondly‚ to determine the mass of each component by using the knowledge of separation techniques. SAFETY REQUIREMENTS: Do Not Pipette By Mouth Read the Chemical Safety Information Dress Appropriately Identify the Safety Equipment Don’t Taste or Sniff Chemicals Don’t Casually Dispose of Chemicals Down the Drain MATERIALS:
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05.05 Mixtures and Solutions: Lab Report: Outline Outline: Title The title of the lab should be at the top of the lab report. Background Information and Research 1. Paper chromatography is used to break down colors with using water and the way the colors separate. 2. Doctors can use it to test for alcohol in people’s blood. People can also use it to check for pollutants in the water. Pharmacists can use it to find out how much of each chemical is in each product. 3. I searched
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Solids: Recrystallization and Melting Points Reference: Chapter 3. Solids: Recrystallization and Melting Points. Read pages 93-94 and 113-117. Experimental procedure‚ pages 118-119. Parts 1-3. Part 1: Melting points of Urea and Cinnamic Acid. Part 2: Melting point of unknown. Part 3: Melting point of Mixture- Urea and Cinnamic Acid (take melting points of mixtures in 1:4‚ 1:1 and 4:1 ratios). Reactions Main Reaction: Not a chemical reaction but a physical reaction. Urea in solid mixed with
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Chromatography: Separating Mixtures Introduction: Magic marker inks are often mixtures of several compounds. Paper chromatography is a common method of separating various components of a mixture. After separation‚ you can observe the different colors that make up a particular color of magic marker ink. You can also calculate a ratio Rf‚ which compares how far each compound traveled to how far each solvent (substance that dissolves another substance) traveled during the experiment.
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