ways: conserving water‚ recycling‚ reducing‚ reusing and saving energy. First‚ human beings can protect the environment through saving water. Water is very important to us because we can’t live without water. Water which is suitable to drink is becoming less and less. It is because we always waste a lot of water in our daily life. For example‚ many of the people always turn on the tap when brushing teeth. In fact‚ we must turn off the tap when brushing teeth and use a cup to fill water for gargle. If
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invisible bond that holds water molecules together. Water is a polar molecule‚ so it has plus and minus ends just like magnets that attract each other. When the water molecules align with each other they stick together‚ creating surface tension. You might think that it is the surface tension of the water that holds the skin of a bubble together. Actually‚ the surface tension of water is too strong to make a bubble. You can try yourself to blow a bubble with plain old water‚ it just won’t work! A good
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sent to an instructor obseRvations & QUestions - paRt i A. Record your observations and your time and temperature data in tables. Use one table for the pure water and one table for the salt solution. Data Table 1: Pure Water and Salt Solution | Seconds | Distilled H20Room temp | Distilled H20 Ice bath | SaltwaterRoom temp | Saltwater Ice bath | 0 | 25 | 19 | 24 | 12 | 30 | 24 | 13 | 23 | 8 | 60 | 23 | 11 | 22 | 5 | 90 | 22.5 |
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A) The flame is too high and the test tube is opened. B) The opening of the test tube is pointed toward the student and the student is not wearing goggles. C) The test tube is unstoppered and the student is not wearing goggles. D) The beaker has water in it and the flame is under the tripod. 2. Which safety precaution is recommended when a liquid is being heated in a test tube? A) Wear goggles and a laboratory apron. B) Direct the flame of the burner into the open end of the test tube. C) Stopper
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One thing I do not understand with the Flint water is why isn’t anything being done about it? Everyone had recognized that it is a health hazard and that it needs to be corrected. No one has not done a thing about it. Is it better to brush it under a rug and ignore the problem and have it manifest into something worse because that it the direction that we are heading in. With any water the people are forced to move any where else and that’s if they can afford it or not and the rest have to indulge
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Water: An Overlooked Essential Nutrient | Presented by: Your Name | Today I am discussing the importance of water to encourage this office to provide water as the main beverage choice in this office. Water maintains body temperature‚ maintains blood volume‚ blood pressure and supports all cell functions. (Cherif‚ et al.‚ 2010)Water is a valuable resource even in an office environment. You may not realize that an air-conditioned office is a very dry environment and will deplete your body of
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3. For the hydrate sodium sulfate decahydrate‚ calculate the following: (a) the percent of sodium (by mass) in the hydrate (14.3%) (b) percent of TOTAL oxygen (by mass) in the hydrated compound. (69.6%) (c) Percent of water (by mass) in the hydrate (55.9%) 4. Calculate the percentage of nitrogen (by mass) in the ammonium nitride (82.4%) Moles Worksheet 1. How many moles are there in 768 grams of iron (III) sulfate?(1.92 mol) 2. How many moles are there
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peppermint oil to make it smell great. You will need: 1 cups plain flour 1/2 cup of salt 2 tablespoons of cream of tartar (optional) 1 tablespoons of cooking oil Food colouring Glitter (optional) Peppermint oil (optional) 1 cups of boiling water 1 child or more if you have them Method: Put all the ingredients in a large bowl and mix. As soon as it starts to bond together and is hard to mix‚ take it out of the bowl throw it on a board and knead until it takes on the look and consistency
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Water conservation importance. Water is very important content. With out water there is no life in earth. We use water in so many ways in our daily life. Water is a substance which covers ¾ part of the world. It means water is occupying more portion compared to land. But this water is becoming more polluted because of the environmental changes. So it is necessary to conserve the water. It is every one duty to protect the water because everyone uses this water and we the people are making water polluted
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Water is a valuable resource to human beings and plants. It’s composed with Oxygen and Hydrogen. It is found in wells‚ springs‚ ponds‚ rivers‚ canals and oceans. We will die without it and also we can’t live in it. That’s because we are not designed to live in water like crabs‚ fishes and sea horses. But 60% of our body is filled with water. Life will no longer exist if there is no water. So it’s precious. Ice‚ liquid and vapor are the three forms which this life source is available in. To Brazil
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