This is a chemistry experiment and we have to figure out how to remove water from a tomato.
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Chop it up and sprinkle it with salt.  Mix it well and then put it in a collander and let it drain.  \n\nI saw Rachel Ray do that once to deliquify tomatoes.\n\n(PS: If you want to actually keep the juice, drain it over a bowl.  If you leave the juice sitting long enough, the solids will separate out to the bottom of the bowl.)
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Lime, chalk and water.
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try thinking about the energy needed to break the ionic bonds. water can be split, but the energy needed is massive, because the bonds are so stable
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2H2 + O2 ---- 2 H2O\n\nYou can easily obtain water around the house.
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H3PO4 + 3NaOH ----> 3H2O + Na3PO4
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by rubbing two sticks together\nit doesn't work in water because water is a different element, the two don't mix
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U r asking for a science project.?\nI have an idea for the science project for chemistry side
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baking soda in a glass of water about a teaspoon.
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you could do a project of 'rain harvesting'\nconstruct a house,surrounded by a small canal -shaped tank which can hold water when it rains use this water (after purification)for various odd uses.\nit works if you use small plastic tubes as canals\n    OR\n a sugarcane industry is a very good idea(i got a prize for this.)\nbut you need to make crusher,purifier,separator,and drier made of steel or iron.
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They're for testing the amount of lime in your water.
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Boil ¼ cup of water. Add one teaspoon of gelatin and one teaspoon of\nsugar. Stir for one minute until everything is dissolved.\n2. Cool the solution for ten minutes.\n3. Fill a petri dish to a little below the top edge.\n4. Close the petri dish by putting on the cover immediately. Let the\ncovered petri dish stand for at least four hours. Don’t touch the\ngrowth medium or you’ll add your own germs!\nThis recipe will fill two, small petri dishes. If you and your class plan to fill\nmore petri dishes, make more germ food by increasing the amount of your\ningredients proportionally.\n*Adapted from Gross But True Germs by Luann Colombo. See details in bibliography. If you don’t\nhave the materials needed for the experiment, you can purchase Ms. Colombo’s book, which includes\nall the supplies needed to conduct the experiment.
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Add a drop of food coloring in water. It starts concentrated and defuses through the water.
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crush it and put it in water
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It is a chemical reaction.
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Experiment life is short.
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It will not help your tomato plants.  A one-pot synthesis is typically only used to describe more than one transformation occuring in one reaction vessel.  The alternative is performing each transformation individually and isolating and purifying the intermediate compounds.  The former is preferred when possible.
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if the weight of solid part doesn't change the tomatos should weight 98.02kg since the water makes up 99kg then 99*0.98 = 97.02. 97.02+1(solid)=98.02kg\n\nBut if 98% is interpreted as the percentage of the whole content then 2% must be the solid which didn't change, so the 1/0.02 = 50 kg which is right.