AIMS The aim of this experiment was to investigate the effect of temperature rise on the rate of transpiration of a plant (hibiscus) by measuring the plant’s water uptake in a period of time. HYPOTHESIS Transpiration is the process by which plants loses water to the atmosphere from their leaves. Water in the plant is lost to the atmosphere by evaporation. Evaporation of water can occur at any temperature. In the presence of sunlight‚ water in the plants evaporates into the intercellular air
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to: Prof. Arnold Germina Reaction Paper Rehabilitation of EDSA: The rehabilitation of EDSA is one of the nicest ideas to ease the traffic in Metro Manila especially it is a major highway and almost everybody use it. In contrast to that‚ Pres. Aquino is right to suspend it and make further study about it. Surely‚ it will take time to rehabilitate it‚ test the patience of the motorists and commuters and may occurred problems in case it will be done without a good plan. That is the biggest responsible
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Reaction on Reaction Paper The first thing that came to my mind when I have heard about Reaction paper is “What exactly is it?” and before I get an understanding of that‚ I resisted that change. But later‚ when I have studied about it and understood its purpose‚ I have started thinking “Why people avoid change at the first look without an analysis?” The general human tendency is to live in a comfortable zone in which he has lived for quite some time. He draws a circle‚ thinks that circle is his
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It was originally hypothesised that the reaction time would decrease with higher concentrations of the reactants‚ potassium iodate and sodium bisulfite as collision theory stated that more molecules present in a given volume meant a greater chance they would collide. Furthermore‚ the time was expected to decrease with higher temperatures as it influenced the reactant particles by raising their kinetic energy. However‚ the data collected from this experiment only partially supported this hypothesis
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Target Skills Determining the reactivity of various metals Testing Relative Oxidizing and Reducing Strengths of Metal Atoms and Ions By observing whether reactions occur between solid metals and metal ions in solution‚ you can determine the order of oxidizing and reducing agents according to strength. Question How can the presence or absence of a reaction provide information about the relative strength of oxidizing and reducing agents? Safety Precautions • Wear goggles‚ gloves
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CBSE TEST PAPER-03 CLASS - X (Chemical Reactions and equations) 1. Take about 5 ml of dil. HCl in a test tube and add a few pieces of fine granules to it. Which gas is evolved? (a) Chlorine (b) Hydrogen (c) HCl (d) Nitrogen 2. Dissolving suger is an example of(a) Physical change (b) Chemical change (c) Redox Reaction (d) None of these. 3. Heat is evolved diving (a) Endothermic Reaction (b) Displacement Reaction (c) Combustion Reaction (d) Combination Reaction 4. Which of the following is not a balanced
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leaving 3’-monophosphate group. This is achieved when the acidic imidazolium ion of His119 simultaneously protonate the oxygen of the phosphate oxyanion group. 23 This leads to the formation of 2’‚3’-cyclic phosphorane monoanionic intermediate‚ which is stabilized by the surrounding
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To what extent did Edward IV restore royal authority in the years 1471 1483? Edward IV restored some elements of royal authority in the years 1471 – 1483‚ he had destroyed his opposition or forced them into exile‚ he used family member to control more volatile regions and took a keen interest in law and order. In addition he improved the English economy and made a somewhat successful invasion of France. Although some would argue that Edward failed at restoring Royal authority because his heirs
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of one day being a princess just like her and marrying his best friend Jerome. ("We walk down the aisle‚ I look gorgeous...") He knows for sure one day he’ll grow up to be a girl. Even when there is a lot of confrontational confusion and hostility between his parents in front of him and physical violence‚ he remains steadfast. She finally tries to explain whether Ludo is a boy or girl from what she learned in
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PUTTING IT TOGETHER: Classifying Chemical Reactions Purpose: To observe and differentiate between the four different types of chemical reactions. Variables: The independent variables are the sodium chloride‚ sodium carbonate‚ magnesium‚copper‚ copper (11) sulfate‚ silver nitrate‚ oxygen‚ lead(11) nitrate‚ sodium carbonate‚ copper (11) sulfate pentahydrate. The dependent variables are the chemical reactions that are being looked for. For example decomposition‚ synthesis‚ single displacement or double
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