Measurement analysis: Experiment
«Introduction. Investigation 1. Data. Data analysis and error propagation. Investigation 2. Data, graph, and analysis. Conclusion....»
«In this experiment, we use basic equipments such as ruler, scale and stop watch to make measurements of length, mass and time. In the first investigation, we make measurements to obtain values for derived quantities, such as the density of the...»
The alkaline electric battery
«Introduction. Composition and chemistry. Components. Anode. Cathode. Electrolyte. Construction. Materials used in the process. Powder metal zinc. Manganese dioxide. Potassium hydroxide....»
«The material in the anode of the alkaline battery is a zinc metal powder. Its production is carefully monitored to ensure its chemical purity and accurate particle size. These provide a surface quality which enhances the reaction of the battery....»
Sir Isaac Newton: Life, discoveries and the laws of motion
«Introduction. The study of body movement and forces. The paradox of emptiness. The legacy of Galileo. Isaac Newton's life and works. Calculating the gravitational force. The invention of the telescope. Newton and his varied challenges. The...»
«Sir Isaac Newton laid the foundation of modern physics in the late seventeenth century. He described in mathematical terms, the fall and the movement of the body and defined the three fundamental laws of universal gravity. He also developed the...»
Recrystallization and melting point experiment
«Introduction. Chemical responsibility. Report sheet. Sample calculations. Discussion of results. Conclusions....»
«In this experiment, we purified an unknown substance by recrystallizing it. Then, we determined the unknown substance's melting point and then confirm its identity by mixing with o-Toluic acid, Acetanilide, Benzoic acid, P-Toluene sulfonamide and...»
Science & technology
Boiling point determination experiment
«Introduction. Chemical responsibility. Report sheet. Unknown determination. Sample calculations. Celsius. Discussion of results. Conclusions....»
Einstein and the evolution of physics
«Explanation and analysis of text. The physical concepts and the image they give of reality. The definition of objective reality. Conclusion....»
Caps and their influence on wine
«Introduction. The traditional cork. Origin. Production of cork. The production of cork process. Key properties of cork. Cork in caps: Uses and...
Manufacturing process of optical fiber
«Introduction. Presentation of the fiber. The process of manufacturing optical fibers. Fabrication of the pre-form. Sheath. The heart. Fibering....
Acidosis, alkalosis and genetics
«Meaning of acidosis and alkalosis. The hydrogen ions. The difference between metabolic acidosis/alkalosis and respiratory acidosis/alkalosis. The...
Experiment: Computational chemistry lab
«Abstract. Introduction. Methods. Results and figures. Questions and discussions. Summary and conclusion....»