transpiration. Water vapors gather in the atmosphere creating clouds with condensation. This is when precipitation forms and falls to Earth. After it falls to Earth and gathers back in the ground and bodies of water‚ the cycle begins again. As all Earth’s cycle coincide‚ heavy amounts C02 are evaporated into the atmosphere due to a tremendous amount of industrial plants. Once evaporated the CO2 is absorbed into condensation and released as precipitation (or what we call acid rain). This is a form
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from bodies of water by the heat of the sun. The evaporated water rises through the atmosphere as a gas‚ or vapor. As the vapors rise they cool and turn back into tiny droplets of water which attach to each other forming clouds by the process of condensation. During precipitation‚ the water falls back to the earth in the form of rain‚ snow or sleet. Some of the water seeps into the earth to underground reservoirs‚ or aquifers (UOD‚ 2004). The rest of the water is runoff‚ and it flows back to the
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oxygen over a palladium catalyst‚ in gas phase is shown below: 2 H3C–COOH + 2 C2H4 + O2 → 2 H3C–CO–O–CH=CH2 + 2 H2O Vinyl acetate synthesised is used for production of polyvinyl acetate. Acetic anhydride Acetic anhydride can be synthesized by condensation reaction of two molecules of acetic acid. The main process involves dehydration of acetic acid to give ketene at 700-750 °C. Ketene is thereafter reacted with acetic acid to obtain the anhydride: CH3CO2H → CH2=C=O + H2O CH3CO2H + CH2=C=O → (CH3CO)2O
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Uddingston Grammar School Nat4/Nat5 Chemistry Everyday Consumer Products: Homework 7 National 4 1. The grid contains the name of some chemical processes below. A Respiration B Fermentation C Filtration D Photosynthesis E Distillation F Cracking a) Identify the process to separate alcohol and water.1KU b) Identify the process in which chlorophyll absorbs light energy.1KU c) Identify the two processes in which carbon dioxide is produced.1KU 2. Flowers
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Termites can cause tremendous amounts of damage to your home‚ but can termites survive the cold winter months? The professionals from Lexington‚ KY’s Guarantee Pest Control have your answers for residential pest control and how to protect your home year round. Termites can remain active all year‚ even during the winter. These tiny subterranean pests burrow even deeper in cooler months to find the warmth they need to remain alive. They forage closer to nests during the cooler months‚ and although
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good idea to fill up your fuel tank before winter hits. Having a full tank might not sound important‚ but it can actually help reduce engine trouble. Just make sure you add a gas stabilizer to the tank as well. This combination will help reduce condensation and water from pooling in your gas tank‚ which will make it run a lot smoother in the spring. Just make sure you run
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land journey and are thus robbed of most of the moisture by the time they reach Pakistan. 6. A temperature inversion layer at a low elevation of about 1‚500 m in the south during the summer that does not allow the moisture-laden air to rise and condensation to take place. Temperature Pakistan can be divided into four broad temperature regions: 1. Hot summer and mild winter: 32o C or more in summer and 10 to 21o C in winter. 2. Warm summer and mild winter: 21 - 32oC in summer and 10 to 21oC in
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Driving in the winter and driving in the summer are immeasurably different. One has to have specific driving skills in order to safely drive in extreme winter conditions. In my opinion half of winter weather deaths in the United States are caused by icy road accidents. It can be widely agreed that winter is the most difficult season for drivers to travel in‚ while the summer is the most trouble-free. There are many similarities and differences between winter and summer driving. One similarity between
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Circulatory systems Closed circulatory systems: • Blood leaves heart under pressure to arteries then arterioles then capillaries. • Capillaries come in large numbers. They exchange substances between the blood and cells. • After passing through capillaries‚ blood goes back to the heart via veins. • Valves in the veins ensure that blood only flows in one direction. Single circulatory system: • Heart pumps deoxygenated blood. • Gaseous exchange (diffusion of CO2 from blood to H2O and diffusion
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the rain that’s been crashing for hours and the house-shuddering wind that howls through the darkness outside‚ it’s an ordinary evening at my house. Then comes a knock on the door. I’m not expecting anyone. I look through the peephole‚ but the condensation from the wet night air has fogged it to uselessness. So I simply open the door and find a familiar man‚ I can’t recognize his face. I notice the fire that made the sky goes red‚ the air feels smoky and thick. I’ve always thought the supernatural
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