Chemical reactions can happen slowly or fast. The speed of the reaction rate can be changed. Some of the factors that can affect the reaction rate are surface area‚ temperature‚ and concentration and pressure. Surface area is the exposed‚ outer layer of a solid. Increased surface area increases reaction rate because more particles on the surface of a solid come in contact with the particles of another substance. For example‚ if you place a donut stick into water‚ the donut will react slowly with
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trying to become pregnant is absurd. Timing is everything during development and even prior to testing positively for pregnancy. A very large and essential part of prenatal care is the avoidance of teratogens. As we proceed I will mention the affects teratogens have on prenatal development‚ why the alcohol consumption should be reduced completely‚ and I will define what a teratogen actually is. Teratogen is a word used to describe behaviors‚ environments‚ and bodily conditions that can harm
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Biology Coursework ¡V Does The Light Intensity Affect the Rate of Photosynthesis The Investigation In this experiment I will investigate the affect in which the light intensity will have on a plants photosynthesis process. This will be done by measuring the bubbles of oxygen and having a bulb for the light intensity variable. Variables The input variable which will be used in this investigation will be the light intensity (this will be a 100Watt bulb being moved closer and further away from
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In this experiment‚ the class examined how the rate of photosynthesis was affected by different light colors at different distances in shoots of a Cabomba plant. The plants were placed in two different beakers‚ one with recently boiled and cooled distilled water and the other with saturated sodium bicarbonate solution. The three different color photoflood lamps used for this experiment were white‚ red‚ and green at four distances of thirty‚ sixty‚ ninety‚ and one hundred-twenty centimeters away
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effects of this new technology. In this essay I will discuss my personal views on food based GMO’s and how they affect us. Let me start with the science behind GMO. Scientists and engineers manipulate crops by inserting or deleting genes in various plants‚ enabling those plants to resist drought and pesticides‚ grow in non-native environments‚ and to produce more items for consumption. Scientists often do this with the genes from things like fish‚ fireflies‚ and bacteria. I must add as well‚ that this
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Organisms through cellular respiration convert energy into ATP. They do this in three distinct stages; glycolysis‚the Krebs cycle and the electron transport chain. The Krebs cycle and electron transport chain are both aerobic process and require oxygen. In certain conditions where oxygen is not present or is low some organisms switch from cellular respiration into alcoholic or lactic acid fermentation. Fermentation is an anaerobic‚ metabolic pathway used to oxidize nicotinamide adenine
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Osmosis investigation Aim: To investigate how sugar concentration affects the mass or size of a potato and find out the sugar solution. Introduction: Osmosis is the movement of water molecules across a partially permeable membrane form a region of high water concentration to a region of low water concentration until the concentration on both sides is equal. This means that osmosis is like diffusion involving water molecules. Osmosis occurs across a partially permeable membrane‚ with holes
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This experiment focuses on the effect of light intensity on the rate of photosynthesis. In simple terms this refers to how the production rate of the products of photosynthesis (oxygen and glucose) will be affected by a light source at different distances. The hypothesis states that “If there is a higher light intensity‚ then more oxygen and glucose molecules will be produced‚ and the rate of photosynthesis will increase.” This hypothesis was accepted. This was determined by counting the number of
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Risk Analysis of Infrastructure Projects – A Case Study on Build ~Operate ~Transfer Projects in India AUTHOR PROFILE: NAME: Dr. Hiren M Maniar * INSTITUTE: - L&T Institute of Project Management‚ Vadodara‚ Gujarat‚ India E Mail:- hm_maniar@rediffmail.com PHONE NO: +919898010291 * Dr.HIREN M MANIAR is currently working as a Faculty in Finance at L&T Institute of Project Management‚ Vadodara‚ Gujarat‚ India. He may be contacted at hm_maniar@rediffmail.com Paper Published in the
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My SRP is determining if the colour of ice affects its melting rate. Ice melts by taking in energy from its surroundings to form heat. This makes the molecules in the ice cube vibrate. As the overall vibration increases‚ the water molecules split from each other turning the ice from a frozen state to a liquid state. Heat can be absorbs in two different ways‚ through direct contact with a hot surface or through radiation of a hot surface nearby. Radiant heat can be contributed by sunlight‚ fires and
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