Experiment 3: Preparation and Properties of Soap Objectives: i) To be able to prepare a soap starting with olive oil and animal lard. ii) To examine the chemical properties of the soap that is made. iii) To determine the theoretical yield and experimental yield of soap. Introduction: A soap is a salt of a fatty acid. Fatty acids are carboxylic acids with a long unbranced hydrocarbon (aliphatic) chains. It contains at least 12 carbons and a carboxylic acid group. Materials and Apparatus:
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Physical Science Part A a) Materials A material is something which an object is made of. There are different types of materials and each type has its own properties. Materials can be natural or man-made. Natural materials can come from animals‚ plants or the ground. Man-made materials are artificially made using chemicals. There are different types of materials. Examples: Wood Rubber Cloth Metal Rock Plastics Glass Wood: Wood comes from trees. Wood can last
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According to Dictionary.com‚ the word “responsibility” means “the state or fact of being answerable or accountable.” Responsibility is related to the roles of the particular individuals and groups. Role is defined as an expected behavior in a given individual social status and social position. For one person‚ he will have different responsibilities when he is at different roles. For example‚ someone should take the responsibility as a father when he is in a family. He should be responsible as being
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3 1) Number Properties i) Integers Numbers‚ such as -1‚ 0‚ 1‚ 2‚ and 3‚ that have no fractional part. Integers include the counting numbers (1‚ 2‚ 3‚ …)‚ their negative counterparts (-1‚ -2‚ -3‚ …)‚ and 0. ii) Whole & Natural Numbers The terms from 0‚1‚2‚3‚….. are known as Whole numbers. Natural numbers do not include 0. iii) Factors Positive integers that divide evenly into an integer. Factors are equal to or smaller than the integer in question. 12 is a factor of 12‚ as are 1‚ 2
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Project Management Organizational Structures Paper MGT437/Univesity of Phoenix April 25‚ 2011 Project Management Organizational Structures Paper An organization must align its activities with the company’s objectives. This entails employees coordinating functions through strong clear communication channels. The way in which work is divided dictates the organizational culture of the company. This paper will define three types of organizational structures; functional‚ pure project and
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been a bumpy road for those arriving between 1870 and 1900. Of all the years during that time period‚ the flow of immigrants was at its peak during the bursts of economic depressions (Document A). These weakened economic periods in the United States did not exactly ease the common immigrants transition into American life. With no yellow brick road to lead them to happiness and prosperity‚ many immigrants began searching for quick ways to make cash. In 1870‚ twenty percent of the New England population
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Luya or Ginger is widely distributed in the Philippines. It has a very aromatic rootstocks that contains active constituents like zingerone and shogaols that are responsible for pungent properties of ginger. But mostly of the therapeutic use of ginger are found on its rhizome. Gingerol is one of the active constituent that exert its antimicrobial effect. (Philippine Medicinal Plant 2014) Acne vulgaris is a common‚ chronic‚ multifactorial‚ polymorphic‚ inflammatory‚ non-infectious disease involving
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Physical and chemical ProPerties Physical and Chemical Properties Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor. Substance Name Mg Cu Zn
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What is Intellectual Property? Intellectual property (IP) refers to creations of the mind‚ such as inventions; literary and artistic works; designs; and symbols‚ names and images used in commerce. IP is protected in law by‚ for example‚ patents‚ copyright and trademarks‚ which enable people to earn recognition or financial benefit from what they invent or create. By striking the right balance between the interests of innovators and the wider public interest‚ the IP system aims to foster an environment
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Lab 4: Physical & Chemical Properties Purpose: The purpose of this lab is to distinguish if different substances react to heat or cold and if a solution is added to it during the experiment will it change the substance or leave it the same. Throughout the different tests each substance is put through a series of tests to determine if it changes in any way in regards to color‚ odor‚ or consistency from the start of the experiment. The results will be documented in table 1. Data Table 1: Solubility
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