REPORT OUTLINE in NIHONGO ETIQUETTE: Meals in Japan traditionally begin with the phrase itadakimasu (いただきます?) (literally‚ "I humbly receive"). The phrase is similar to "bon appétit"‚ or saying grace to give thanks before a meal. It is said to express gratitude for all who played a role in preparing‚ cultivating‚ ranching or hunting the food. This also acknowledges that living organisms have given their life to human beings asDāna.[2][3] Upon finishing a meal‚ the Japanese also use the polite phrase Gochisōsama-deshita (ごちそうさまでした
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The discovery of King Tutankhamen’s tomb in the early twentieth century provided the world of archaeology with an enormous amount of information about Egyptian lifestyles. The items and artefacts that were found inside the tomb revealed the lifestyles of the Egyptian people at the time but they also exposed religious and cultural traditions that the Ancient Egyptians practised. The tomb unmasked an unknown period of Egyptian history and gave an insight to the reign of the famous King Tutankhamen
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electrolyte that has an ion in common with the weak electrolyte.” Aqueous Equilibria © 2012 Pearson Education‚ Inc. The Common-Ion Effect Calculate the fluoride ion concentration and pH of a solution that is 0.20 M in HF and 0.10 M in HCl. Ka for HF is 6.8 × 10−4. Ka = [H3O+] [F−] = 6.8 × 10−4 [HF] Aqueous Equilibria © 2012 Pearson Education‚ Inc. Dr. Ali Jabalameli 3 Chemistry102 5/7/2013 The Common-Ion Effect H3O+(aq) + F−(aq) HF(aq) + H2O(l) Because HCl‚ a strong acid‚ is also present‚ the
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x 10-4 mol/L C. 1.1 x 10-3 mol/L D. 3.3 x 10-3 mol/L 13. A solution of .15 M cyanic acid (HOCN) a weak acid has pH 2.14 at 250C.What is the acid ionization constant Ka for this acid at 250C.What is the degree of ionization of this acid in this solution? 14. Benzoic acid ‚ HC7H5O2 is a weak acid having Ka= 6.3 X 10-5 at 250C.Determine the equilibrium
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concentrations are at equilibrium): HA ↔ H+ + AAcid [HA] [H+] Chlorous acid HClO2 0.6 .077 [A-] .077 Ka 1.0 x10-2 Nitrous acid 18.6 .20 4 4.3 x10-4 Hydrocyanic acid HCN 28 7 x10-5 2 x10-4 4.9 x10-10 Phosphoric acid H3PO4 0.076 0.3 .00192 7.6 x10-3 5. The pH of a 0.115M solution of chloroacetic acid‚ ClCH2COOH‚ is measured to be 1.92. Calculate Ka for this monoprotic acid. pH = -log[H3O+] [H3O+] = 10-pH = 10-1.92 = 0.012 M HA + H2O → H3O+ + A
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present before the ziggurat. In the ancient Egypt‚ death was not the end of life but rather the beginning of a new form of existence. The Egyptians believed that a person was made up of a ba‚ a ka‚ and a body. The body was the vessel that the ba and ka resided in. The ba was the personality of the person‚ and the ka was the spirit of life that was transferred from the creator to each living person. When
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• Identify important points and regions on a titration curve‚ including buffer regions and equivalence points. • Calculate the concentration of an acid (with known identity) in a sample using data from a titration with strong base. • Calculate Ka of an acid (with known identity) in a sample using titration data. Talking Points for Pre-lab Discussion Demonstrate the typical setup for a titration (including mounted pH meter). Turn the burette’s stopcock with care! Discuss the process of standardization
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importance of Egyptian faith and awareness of its permanence and significance in society . The two most important concepts concerning the after life were the ka and the ba; the ka referring to a kind of other detached self which was there for guidance and associated with the individuals fortunes; thus‚ once deceased one was to join with their ka. Furthermore‚ the concept of ba is loosely associated with a person’s soul‚
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Chapter I THE PHILIPPINES COCONUT COPRA INDUSTRY Early Beginnings of the Philippine Copra Industry Ronald E. Dolan stated that‚ “Cocos nucifera is the scientific name of common coconuts. Cocos mean “spectre goblin” or “grinning face” and Nucifera means “bearing nuts”. This very tall palm tree is always an inviting symbol of the tropics. The coconut palm is widely distributed throughout Asia‚ Africa‚ Latin America‚ and the Pacific Region. Its center of origin is still under debate. However‚ its
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dating of terraces and fans shows that sediment aggradation correlates with wet time intervals on the Altiplano‚ suggesting a climatic influence on the aggradation–degradation cycles. Major periods of aggradation occurred between *110–100‚ *60–50 and 12–8 ka. More precipitation in the Majes catchment resulted in increased erosion and transportation of sediment from the hillslopes into the trunk river. As a result‚ the sediment loads exceeded the transport capacity of the Majes River and aggradation started
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