SOLUTION PREPARATION AND STANDARDIZATION Submitted by Iris Olaso ______________________________________________________________________________ INTRODUCTION Generally‚ there are two ways in preparing a solution‚ one is by dissolving a weighed amount of solid in a required solvent and the other is by dilution of a concentrated solution into the desired concentration. In diluting concentrated solution‚ the concentration of the diluted solution can be determined by standardization. To standardize a
Premium Sodium hydroxide Titration Hydrochloric acid
Chemistry 101 12-STANDARDIZATION OF SODIUM HYDROXIDE Standard solutions for titrations are especially pure mixtures with exactly known concentrations. Primary standards are very pure solids. They have the advantage that they can be weighed (the analytical balance is normally the most accurate instrument in the laboratory) and they are stable under laboratory conditions. In this experiment‚ the primary standard is oxalic acid dihydrate‚ H2C2O4 ( 2H2O. It will be used to standardize a
Premium Sodium hydroxide Titration Water
Industry. 7th ed. Hoboken‚ New Jersey: John Wiley & Sons‚ Inc. Ritzer‚ G Ritzer‚ G. (2004) The McDonaldization of Society. Rev. new century ed. United States of America: Sage Publications‚ Inc. Ritzer‚ G Sandoff‚ M. (2005) ‘Customization and standardization in hotels – a paradox or not?’‚ International Journal of Contemporary Hospitality Management‚ Vol. 17‚ No. 6‚ pp. 529-535. Swaminathan‚ J.M. (2001) ‘Enabling Customization Using Standardized Operations’‚ California Management Review‚ Vol. 43‚
Premium Fast food restaurant Manufacturing Fast food
Standardization of the English Language There are several important events before 1500 that when listed together show a series of steps in the struggle for English language supremacy. These steps are mainly governmental‚ legal and official events that pushed English usage. In 1356 The Sheriff’s Court in London and Middlesex were conducted in English for the first time. When Parliament opened in 1362 the Statute of Pleading was issued declaring English as a language of the courts as well as of Parliament
Premium English language Middle English England
• Intro things to discuss The ancient Greeks wrote texts intended for education only the privileged‚ wealthy few who could afford scribes. The modern textbook has its roots in the standardization made possible by the printing press. Early textbooks were used by tutors and teachers‚ who used the books as instructional aids The next revolution for books came with the 15th-century invention of printing with changeable type. The invention is attributed to German metal smith Johannes Gutenberg‚ who
Premium Printing press Johannes Gutenberg Protestant Reformation
Sensory Adaptation Abstract This paper describes three home type experiments and their conclusions as related to sensory perceptions. This paper will also describe the meaning and concept of sensory adaptation‚ and how it is evident within the discussed experiments. A description of the sensory systems that are involved with the experiments‚ as well as what happens from the nerve receptors to the brain. Sensory Adaptation Sensory adaptation refers to how a person’s body adjusts
Free Sensory system Sense Taste
Adaptation La’Ketica T. Moore AIU Online Abstract For this assignment I must describe what sensory adaptation is and to explain the concept of it. We were giving four experiments and out of the four to pick three that we need to describe what sensory adaptation was evident in each. Adaptation Sandpaper The first experiment is on the coarseness of the sandpaper‚ I rated the sandpaper a 4 on a scale of 1 being very soft and 7 being very coarse. I gave it a 4 on my right and on my
Premium Sense Psychology Taste
Adaptation is natural selection in actions (Anemone‚ 2011). Natural selection is when organisms with more favorable traits suited for their environment are able to reproduce and pass on their desirable traits (Anemone‚ 2011). There are two types of adaptations‚ biological adaptation and cultural adaptation. Biological adaptations have to do with our genetics and cultural adaptations are those made by physical objects such as housing‚ clothing‚ and tools. Biological adaptations are traits that
Premium Natural selection Charles Darwin Biology
got to see adaptation in three different ways: Seen as a product‚ an adaptation can be seen as an extensive transposition of an original work which should be told/implicitly known to the audience. This can involve a shift of medium (written word to performance‚ or a change of frame and therefore context: e.g. telling the same story through the looking glass of a different culture)‚ which can create a different interpretation. Seen as a process of creation‚ the act of adaptation can be said
Premium Adaptation Mind Natural selection
In Bio 205‚ we discussed how all species have specific adaptations that help them live and survive in their environments. In class‚ we discussed owls and their different adaptations that help them survive and catch their food. We learned about the structure of their eyes‚ ears‚ and feathers that further benefits their ability to survive. We also learned about how they catch their prey and digest it. Owls have very many complex adaptations that help them survive in their environments‚ and the children’s
Premium Dolphin Ocean Fish