completely. After cooling‚ obtain the weight of the crucible and lid by placing it on a petri dish to be placed on an electric balance (petri dish mass must be obtained prior) without using any hands; there will not be any touching of the fingers or hands to or on the crucible and subtract the mass of the petri dish to obtain the mass of crucible. (Mass is noted at 61.805g with crucible and petri dish‚ crucibles mass: 25.253g) tin is weighed between 0.9000g and 1.0g (for this expirement‚ .98g is
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Introduction: Living‚ microscopic‚ unicellular organisms can be identified as microorganisms. Fungi‚ Protista‚ Bacteria‚ and Archaeans are four kingdoms in the phylogenetic tree of life that consist of microorganisms. Amongst these microorganisms the prokaryotes were the first ones to arrive through evolution. The rest of the life forms as we see them evolved from these simple creatures‚ prokaryotes. The smaller prokaryotes were swallowed by bigger prokaryotes setting the stage for the origin of
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Lemon‚ and a control. Methods The method used for this experiment was very easy to set up. Five different lab groups performed the same experiment. Three petri dishes is the first thing I needed. I placed a piece of paper at the bottom of each dish and found the exact center and made a mark. Next I put ten radish
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Lesson Organisation This will depend on the number of microscopes you have and access to a healthy culture of Daphnia. Students can readily follow this procedure working in pairs. Because of the variability of results between individual Daphnia it is not appropriate to make conclusions from one set of results‚ so each pair (or group) of students should carry out more than one investigation to contribute to the class set. One option is to record a live video of a sample Daphnia‚ during a time
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Report Introduction Mummification is an ancient Egyptian method which is a natural or deliberate process intended to dehydrate the body to preserve it. They done this because they believed that if a body was left to rot then it would destroy their soul‚ so they believed that the body needed to be intact to serve as host for the soul. So they preserved bodies so they could use them in the afterlife‚ where the Egyptians believed they would make a journey to another life. To start to mummify a body
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ingredients. It can be found worldwide in local variations and also in certain American-style fast food restaurants. The variant recipes provoke disputes among enthusiasts‚ and the dish is used as an ingredient in a number of other foods. A Native American legend from Texas‚ Arizona and New Mexico claims that Chili was a dish taught to them by Venerable Sister Maria Agreda. Described as a beautiful young foreign lady dressed
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Menu Analysis Food and Beverage Administration Presented to Mr. Gavin Caldwell Prepared by Geeta Sreevardhanan (308538) Lee Wen Fang Teresa ( HDHMF January 2011 3RD Intake 30th January 2011 TABLE OF CONTENTS |S/N |Title | Page | 1.0 EXECUTIVE SUMMARY 2 2.0 INTRODUCTION 3 2.1 Restaurant Background 3 2.2 Justification for Menu
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right in their own backyards. If you’re new to the authentic Mexican food scene‚ here are a few must-try dishes to start your journey: Quesadillas: Unlike in Tex-Mex cuisine‚ quesadillas are considered an appetizer and not a main course. While the dish can still be heavily meat based‚ it can also employ vegetables and beans as its focus. Enchiladas: While you’ve probably
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water does not evaporate fast enough for my liking. Data: SEPARATING IRON SUBSTANCE/ITEM MASS OBSERVATIONS WEIGHING DISH .6 G MIXTURE + WEIGHING DISH 5.1 G NET. MASS OF MIXTURE 4.5 G 10 CM SQUARE OF PAPER .9 G IRON FILINGS ON PAPER 2.1 G NET MASS OF FILINGS 1.2 G SEPARATING SAND SUBSTANCE/ITEM MASS OBSERVATIONS WEIGHING DISH .6 G SAND + WEIGHING DISH 1.7 G NET. MASS OF SAND 1.1 G SEPARATING BENZOIC ACID SUBSTANCE/ITEM MASS OBSERVATIONS PAPER CUP 10.3 G FILTER
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potassium chloride (2KCl). Objective To separate the components of mixture of sand‚ sodium chloride and calcium carbonate. Materials and Equipment 1. Two beakers 2. Experimental mixtures 3. Distilled water 4. Funnel 5. Filter paper 6. Evaporating dish 7. Buchner funnel 8. Weighing machine 9. Conical flask 10. Hydrochloric acid(HCl) 11. Potassium carbonate(K2CO3) 12. Rubber hose pipe 13. Heater Procedure 1. Obtain two clean beakers‚ then weigh and label them. 2. Get the mixture and weight it.
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