Calorie. The food calorie means that for every one food calorie that is eaten has enough thermal energy to increase the temperature of 1000 grams of water by 1 degree Celsius. III. Closed‚ open and isolated systems In science‚ it is important to identify the system being observed or investigated. Some examples of systems are: atom‚ reaction‚ cell‚ ecosystem‚ universe etc. In chemistry‚ the system is only defined as the chemical reaction or physical change being examined. a. Isolated systems
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Virtual Lab Unit 3 1. Briefly describe the steps required to aseptically transfer bacteria from an unknown to a tube of liquid broth. You might have to research this using the "T" button (Tell Me More About...) To aseptically transfer bacteria from an unknown to a tube of liquid broth you have to flame the loop or wire before you begin to sterilize it. You then remove the caps from the tubes and flame the mouths of the tubes to prevent air-borne contamination. When all this is done‚ you have to
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To what extent can preparedness mitigate the impacts of tropical revolving storms? (40 marks) Tropical revolving storms can be referred to as Hurricanes‚ cyclones and Typhoons these occur in the Atlantic‚ Indian and pacific oceans. Nobody is quite sure how they form but certain factors do need to be met for one to form. One of these is the temperature of the sea which has to be above 28degrees‚ the water also has to be deep beneath the storm‚ this is how the storm gathers its energy. These storms
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Industry Description: The focus of this report is centred on the Small Electrical Appliance retail industry. This is made up of a variety of different categories which are: • Household Appliances – Frypans‚ Woks‚ Mixers‚ Blenders. • Personal Care Appliances – Hairdryers‚ Epilators‚ Hair Straighteners‚ Tongs. • Well Being Appliances – Massage Appliances‚ Tranquillity Fountains. Business Description: Conair Pty Ltd is a global business with a division operating within Australia under
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A carer is a person who voluntarily cares for another person who suffers from a disability‚ mental health problem or an addiction who cannot manage without care. A carer provides support and nursing for the person who requires care‚ they can help with daily needs and activities as well as dealing with financial and economic support (Carers NSW‚ 2017). There are many different types of carers‚ there are young carers who are people up to the age of 25. Other carer types are Older carers‚ Indigenous
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The Great Antacid Culminating Lab Purpose: To determine which antacid tablet is the most effective. Materials: 3 different antacid tablets‚ thymol blue‚ droppers‚ pH probe and necessary cables‚ pH probe holder‚ retort stand‚ 1 mol/L HCl‚ droppers‚ five 150 mL beaker‚ mortar and pestle‚ graduated cylinder‚ balance‚ weighing dish‚ stir rod Procedure: 1) Gather all the equipment you will need to do the lab. You will be working in groups of 3 2) Calibrate the pH probe as you practiced the day
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World Geography Lesson 6 Assignment 06 Discuss South Africa’s apartheid policy of 1948. How was it initiated? Provide historical information of the time from the passing of this policy until gaining independence in 1979. The seeds of Apartheid were sowed as early as 1910‚ but South Africa’s Apartheid policy officially became law in 1948‚ after the Reunited National Party won the white minority elections on the 28th of May 1948. The Apartheid policy‚ later referred to as “separate development”
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BioScience 100A Online Virtual Lab Report: Part 2 Due by: 11:59 PM PST on the final Saturday of class Updated 9/10/11 Directions: 1. Type your answers‚ observations‚ and results in bold. 2. Save your report often as you fill it out‚ so as not to lose information. 3. Use the report form as a single document‚ do not turn in separate reports for each lab 4. Use the ‘Save As’ option to save your file as a Word 97 .doc file 5. Save your lab report with this name: Last name
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In this lab we are going to be observing the decomposition of piglets over a month’s time. There are theory questions that have been given to us before and after the lab. We look back at our original theory to see where we went wrong‚ and then correct it. The lab was disgusting‚ surprising‚ and very interesting. The first questioned to be answered is which piglet decomposes faster‚ a piglet that is in its natural state‚ that is burnt‚ that is buried‚ and that is buried in a wooden box? With
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amount of water in the cylinder accurately 5. Then tip the cylinder to about 45 degrees then put sample into it slowly‚ DON’T spill any water or have to restart. Make sure no air bubbles are clinging. Then take down final volume of water cylinder. 6. Dump the water out‚ then dry sample off. 7. Repeat this over with the other metal samples. * Hypothesis: * My hypothesis is that even though I will find the densities and names of the unknown metals its not going to be accurate because
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