and salt water is that both are basically the same chemical - water‚ although the contents of other materials dissolved in it differ. Both contain some amount dissolved chemical in it though the quantities vary. Both form different links in the water cycle of the nature. Both are homes to aquatic life. Difference: Salt water contains much higher quantities of dissolved chemicals as compared to fresh water. This higher concentration of chemical also raises the density of salt water
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Does This Thing Work? It operates on a 100 year old proven technology called electrolysis. Whenever you place two pieces of metal in water‚ and apply electricity‚ the water separates into it’s basic molecules‚ Hydrogen and Oxygen (H2O). If you look at the picture on the left‚ you will see H2O molecules connected together in their liquid form which is WATER But when you apply electricity (from your car battery)‚ the molecules separate and form a GAS (called HHO) which is a mixture of Hydrogen
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The problem that we are solving is “How does the temperature outside affect the speed and heart rate of the runner?” We chose this to investigate “How does the temperature outside affect the speed and heart rate of the runner?” because we both play sports that require lots of running (Track and Field and Soccer.) Therefore‚ when running track outdoors the weather at the beginning of the meet may be colder‚ than the end when it’s most likely hotter. As well as a soccer tournament‚ you may play a tournament
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Sodium chloride is table salt that is commonly used in the food industries as a flavor enhancer and preservative society. Sodium chloride is also used in glass production in society. Salt helps lower the melting points of ice or snow‚ therefore they are used in cold climates to help get rid of accumulating snow or ice. Sodium chloride is normally made by evaporating the sea water. Sodium chloride is a metal halide‚ which is made up of 40% of sodium‚ a
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Appreciate how a physical property that varies with temperature may be used for the measurement of temperature‚ and state examples of such properties. Recognise the need for and identify fixed points. Describe the structure and action of liquid-in-glass thermometers. Demonstrate understanding of sensitivity‚ range and linearity. Describe the structure of a thermocouple and show understanding of its use for measuring high temperatures and those that vary rapidly. 1. A clinical thermometer
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2. How is the colour related to surface temperature of the star? The correlation between the surface temperature of a star and its colour is due to the phenomena known as black body radiation .A star is a black body‚where it aborbs all the radiation falling upon it.AS its temperatures gets hotter thanits surrounding‚the star radiates its on electromagnetic radiation‚known as black body radiation. This radiation is distributed unevenly but contionously through multiple wavelengths of the electromagnetic
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The Slow Boiling of America by Radical Islam US Army Officer Major Nidal Malik Hasan’s attack at the Fort Hood Army base on November 5‚ 2009 killed 13 US soldiers and wounded 30 more. Eyewitness reports state before Hasan opened fire‚ he yelled “Allahu-Akbar‚” which translates as “Allah [God] is great‚” a phrase uttered by many radical Muslims in recent history just before committing similar acts of violence in the name of Allah (Allahu Akbar). As shocking as this incident is‚ it is only one
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Epsom salt (sometimes called soaking salt) is a home remedy that has been used for tired muscles and aching joints for generations. It is inexpensive and easily found in many drug stores and even some grocery stores. Epsom salt is a naturally occurring mineral called magnesium sulfate. When you mix the correct amount (follow the instructions on the manufacturer’s label) into a warm bath and then soak for approximately 12 - 15 minutes‚ there are several health benefits. Soaking in a magnesium sulfate
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Effect of different temperatures on the rate of an enzyme controlled reaction I will place starch and amylase into five water baths which are at different temperatures‚ and record the time it takes to break down the starch in the solution. Independent variables The independent variable is what I am going to change in my experiment. In this case it is the temperature of the water in the five water baths- 10‚ 25‚ 40‚ 55‚ 70 degrees Celsius Dependant variable This is what will stay the
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Salt is modern book written about the history of salt and its effect on the events of the past. The book maintains a semi-chronological flow to it. It is nonfiction and there are no characters. Salt has had an effect on the past that is often overlooked‚ but not by the author of Salt‚ Mark Kurlansky. Salt takes you through the history of the only edible rock. It begins talking about the sexuality of salt as a hook‚ then begins talking about the nutrition of salt. The rest of the book is about different
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