“Expansion of Alkaline water‚ Tap Water and Salt Water in a Temperature of 4℃” A Research Paper in Fulfillment of the Requirements in Physics Submitted by: Dacasin‚ Gewiss Gabrielle K. Submitted to: T. Jocelyn M. Aranda CHAPTER 1 INTRODUCTION I. Title of the Study “Expansion of Alkaline water‚ Tap Water and Salt Water in a Temperature of 4℃” II. Statement of the Problem: The researcher would conduct a specific experiment that will discover what kind of water expands the most
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Soapy water What affect does adding soap to water have on surface tension? Research: "Soaps and detergents include surfactants‚ that reduce the surface tension of the liquid. This allows the liquid to have a good contact with the material and to remove the dirt from it efficiently." (Kibron.com) "Hydrogen bonding between water molecules leads to many interesting consequences at the visible‚ macroscopic level. For example: the boiling point of water‚ its surface tension‚ and it’s ability to
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Water pollution is when the water in lakes‚ rivers‚ oceans‚ and other bodies of water is contaminated. Humans are the main cause for polluting the water. The countries that are most affected by water pollution are: India – The Ganges River China – The Yellow River Central Asia – Amu and Syr Darya Rivers Nepals – Most of the Rivers Pacific Islands Australia Water pollution affects ones physical and emotional health since without drinking water we cannot survive and if the water is polluted
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Water Conservation Student’s Name: Student ID #: Teacher: Due Date: Word Count: For many years‚ water has been treated as a source that will never disappear. Now that it is for sure that we need to make conscience and don’t spend too much water on things‚ the next essay will be written. In some parts of Mexico‚ water has been exploded to its maximum. In places where people have a lot of money‚ more water is used for things. For example‚ in Mexico DF‚ we use 270 L per day‚ this means
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water exists in liquid‚ solid‚ and gaseous states water referred to universal solvent ( bipolar molecule enables it to dissolve a wide variety of substances) ice floats ( temperatures drop molecules come together as a solid‚ elections repell (the molecules get less close thus making the ice have less density than water. If this did not occur ice could sink and destroy living organism. (sea animals) Thermal properties Water resist temperature change‚ due to high specific heat which in turn helps
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the greatest volume of water?” Design an investigation to provide an answer for the student. Be sure to include • the materials needed. • a numbered procedure. • the independent and dependent variables. • important data that will answer the question. • ways to help ensure the accuracy of the results. Materials: Several paper towels‚ a flat dish‚ bottled water‚ a thermometer‚ a tong‚ a ruler‚ and an scale‚ Procedure: (1) Weigh the sick + water (2) Measure each sample
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Importance of Water All living things need water. The Earth is full of water. Water is the most essential element‚ next to air‚ to our survival. Water makes up more than two thirds of the weight of the human body‚ and without it‚ we would die in a few days. There are many water importances in our life to complete daily life and to maintain we body health. Humans and other creatures must drink water to avoid dehydration. Dehydration is defined as a loss or insufficient levels of water and important
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Properties of Water Lab # 1 Biology 111 January 23‚ 2011 INTRODUCTION With surface tension it is made possible for items such as paper clips to float on water‚ because a molecule within the mass of a liquid encounters gravity to all adjacent molecules in all directions. When you use surfactant substances this creates hydrogen bonds. Purpose of experiment 1 will be to show that once the surfactant substances hits the hydrogen bond pulls down paper clips. Things
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health and dignity for the whole country. This crisis is in our access to water and‚ in particular‚ sanitation. They are the most basic of daily human needs‚ human rights recognised in international conventions to which Pakistan is a signatory‚ yet still far from the reach of many ordinary Pakistanis. Pakistan is due to meet the Millennium Development Goal (MDG) target of halving the number of people without access to water by 2017. However‚ the situation for sanitation is bleak: 43 million people
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about boiling water. If you cover the tin and allow the water and air to cool down‚ the air will cool and contract‚ lowering the pressure in the tin. If it lowers enough‚ the partial vacuum will collapse the walls of the can! The boiling point definitely reduces with air pressure. There is a famous demonstration where boiling water or coffee is drunk‚ the trick is it was in a vacuum chamber where it boiled at room temperature. The actual definition of the boiling point of water is the temperature
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