saLT AFFECT THE BOILING POINT OF WATER? 1 How Does Salt Affect the Boiling Point of Water? Elizabeth Mompoint Everglades High School HOW does saLT AFFECT THE BOILING POINT OF WATER? 2 Abstract The purpose of this experiment was to determine whether or not salt would affect the boiling point of water. Much of the research I conducted rejected my hypothesis which stated: if I add salt to water‚ then the boiling point of the water
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It’s not hard to make kabsa if you follow these steps. You should have all the ingredients ready. This is important because you don’t want to be surprised when you can’t find what you need. Then you can begin the process of making kabsa. First‚ you need to cut up the green pepper‚ onion‚ garlic‚ and two tomatoes. You can also cut up the chicken or the meat at this time. Then you can put the garlic‚ green pepper‚ and onion in oil and cook them until they are brown. Keep the stove on a medium
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meter (N/m2)‚ or pascals (Pa). 3. Slowly drag the temperature (T) slider back and forth. (Note: In this Gizmo‚ the Kelvin scale is used to measure temperature. On the Kelvin scale‚ 0 degrees is absolute zero‚ the coldest possible temperature. Absolute zero is equal to -273.15 °C or -459.67 °F) A. How does the change in temperature affect the speed of the molecules? __If the temperature is colder the molecules move slower and if the temperature is hotter the molecules move faster.
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Title: Boiling Red Water Materials: Water A clear glass or plastic cup Food Colouring (Optional) 1/4 cup Vegetable Oil 1 tsp Salt Procedures: Fill a glass 3/4 full with water Add 5 drops of food colouring Add the oil Add salt How it works: The salt brings the oil down with it as it sinks to the bottom of the bottle. When it reaches the water‚ the salt dissolves and the oil is then free to float back to the top. NOTE: this is not originally
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Temperature and Thermometers The Temperature of an object is a measure of the hotness or coldness of that object. An alternative way to think of temperature is to say that “the temperature of an object is a number – on some manmade scale – that indicates the hotness of the object”. ‘Hotness’ in turn is a measure of the kinetic energy of the molecules of the material. Note: You must use the term ‘hotness’.* The SI unit of temperature is the Kelvin (K)* Relationship between degrees Celsius
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from the bed‚ she tiptoed through the boxes which lay everywhere and put a kettle of water onto boil. Waiting‚ she glanced over all her possessions‚ grateful she had the whole day before her. She scooped instant coffee into the cup and poured in now boiling water. Stirring the coffee‚ she tried to decide where to begin. She took a quick sip of coffee and searched her box of books. She ordered them neatly on a shelf. Then‚ she lifted her suitcase onto her bed. She unlatched the clasps and opened it and
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− ( − 6 ) = _______ − 2 − 10 = _______ − 8 − ( − 8 ) = _______ − 8 − 8 = ________ m. − 16 − 11 = _______ Last night the temperature in New York City went down to 4°F. In Antarctica‚ the temperature went down to − 20°F. What is the difference between the two temperatures? answer: _____________ In Antarctica‚ the temperature air temperature is − 5°F . The temperature of the nearby water is 33°F. How much colder is the air than the water? answer: _____________ Super Teacher Worksheets − www.superteacherworksheets
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Fuels Research Question How does the chain length of an alcohol (1‚ 2‚ 3‚ 4 or 5 carbon atoms) affect its boiling point (°C)‚ determined using micro boiling point apparatus (heating the liquid in a capillary tube placed in paraffin oil)? The alcohols tested will be methanol (1 carbon atom)‚ ethanol (2 carbon atoms)‚ propan-1-ol (3 carbon atoms)‚ butan-1-ol (4 carbon atoms) and pentan-1-ol (5 carbon atoms). Variables Variable Description Independent This is the variable that will change; the chain
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Group No. Date: Leader : Section: Members: Experiment no: 1A Data and Results: Initial Temperature: To = 25 degrees Celsius Final Temperature: Tf = 100 degrees Celsius Rod | Initial length | Change in Length | Coefficient of Linear Expansion(Exp) | Coefficient of Linear Expansion(Theo) | % Error | Steel | 40 | .035 | 1.17 x 10 / C | 1.1 x 10^-5/ C | 6.36% | Copper | 40 | .055 | 1.8 x 10 ^-5 /C | 1.7 x 10^-5 /C | 5.88% | Computation : Conclusion: 1. A bemetalli
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The piece of metal is longer than the piece of wood b) Solution 1 is much darker than solution 2. c) The liquid in beaker A is blue. d) The temperature of the liquid is 60°C. e) At least two of these (a-d) are quantitative observations. ANS: d) The temperature of the liquid is 60°C. Page: 1.2 5. A quantitative observation a) contains a number and a unit. b) does not contain a number. c)
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