Common Name: Pearl Scientific Name: Calcium Carbonate Formula: CaCO3 Fundamental particles: Pearls are comprised of a positive Calcium ion (Ca+) and a negative Carbonate polyatomic ion (CO3+) Usage: Jewelry Properties: Pearls are good jewelry because they are hard and lustrous. Pearls are hard because of the strong Intermolecular forces created between the Calcium and the Carbonate ions. The pearls luster is dependent on the amount of nacre excreted. The Oyster produces nacre when
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The neighbor holds a special status in Islam. Islam encourages Muslims to treat their neighbors in a gentle way that reflects the true and genuine spirit of Islam. It makes no difference whether the neighbors are Muslim or non-Muslim. Ayesha‚ the Mother of the Believers‚ stated that she once asked Prophet Muhammad (peace and blessings be upon him)‚ "O Messenger of Allah! I have two neighbors. To whom shall I send my gifts?" Prophet Muhammad (peace and blessings be upon him) said‚ "To the one whose
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The oil and gas industry is one of the world’s largest‚ complex‚ and expensive industry. The prices of oil and gas are probably the most closely plotted products in the global economy. In this industry there are three main segment of value chain: upstream‚ midstream‚ and downstream. It is evident that energy source play vital input to human activities‚ development‚ and growth of the economy. Hence‚ it is believed that after the industrial revolution‚ accessed clean‚ inexpensive and reliable energy
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| Distillation is defined as: `Distillation is based on the fact that the vapor of a boiling mixture will be richer in the components that have lower boiling points.Therefore‚ when this vapor is cooled and condensed‚ the condensate will contain more volatile components. At the same time‚ the original mixture will contain more of the less volatile material. Distillation columns are designed to achieve this separation efficiently.Although many people have a fair idea what “distillation” means‚ the
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Molar Volume of a Gas Objective: The objective is to determine the volume‚ of one mole of hydrogen gas at STP using experimental data‚ known mathematical relationships‚ and a balanced chemical equation. Theory: The goal of this lab is to find the volume of one mole of hydrogen at STP. The experimenters will be working with hydrochloric acid and magnesium to find the objective. The acid in this lab will react to the magnesium and cause the water in the eudiometer to rise because of the reaction
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Interpretation of the Arterial Blood Gas Self-Learning Packet 2004 This self-learning packet is approved for 2 contact hours for the following professionals: 1. Registered Nurse 2. Licensed Practical Nurse Orlando Regional Healthcare‚ Education & Development Copyright 2004 Arterial Blood Gas Interpretation Table of Contents Purpose ................................................................................................................... 3 Objectives ...........
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The global oil and gas industry also involves the exploration and production of commodity and energy trading‚ pipeline monitoring and renewable energy. Petroleum is proved to be one of the most valuable commodities in the world today and a vital factor in the sustenance of industrial civilization. Crude oil production accounts for a significant amount of the world’s oil consumption‚ approximately 53% in the Middle East‚ 32% in Europe and Asia‚ 44% in South and Central America‚ 41% in Africa and
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Ideal Gas Law Packet Name ______________________________ 12.3 Date __________________ Period _______ Given: Ideal Gas Law = then P = n = V = T = R = 1. What pressure is required to contain 0.023 moles of nitrogen gas in a 4.2 L container at a temperature of 20.(C? 2. Oxygen gas is collected at a pressure of 123 kPa in a container which has a volume of 10.0 L. What temperature must be maintained on 0.500 moles of this gas in order
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essay I will discuss my reasons for seeking and pursuing a college degree. It will also include my learning style that was calculated from the inventories that we have taken. I will also give my thoughts and personal opinions on my learning styles based on the inventories‚ and weather I agree or disagree with them. In this essay I will discuss my thoughts and view of my personal learning style and how they can help me in my pursuit of a degree. Reasons for seeking a college degree are personal in
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6/18/2015 COSTCO WHOLESALE IN 2012 : MISSION‚ BUSINESS MODEL‚ AND STRATEGY Group B10 – (b) MBA/14/3633 – W.A.D. Udaya Kumara MBA/14/3567 – H.A.D.S. Perera MBA/14/3486 ‐ Kesharika Goonawardena MBA/14/3444 ‐ Darshani R.K.N.D Question 1 : How well is Costco performing from a financial perspective ? Illustrate your answer by using key financial ratios. Financial Ratio Groups Profitability Ratios Liquidity Ratios Leverage Ratios Investor Ratios 1 6/18/2015 Profitability
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