Kinetic Theory Objectives • Describe how the kinetic-molecular theory is used to explain how gases behave at different temperatures. (Exploration 1) • Analyze data that shows how gas particle mass affects that gas’s behavior. (Exploration 2) • Describe the Maxwell-Boltzmann Distribution. (Explorations 1 and 2) Description of Activity The kinetic-molecular theory states that a collection of gas molecules’ average kinetic energy has a specific value at any given temperature
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carbon dioxide and water‚ producing glucose and oxygen. This process is extremely vital as it the major source of nutrition for all living things on Earth‚ and fuel organisms’ activities. The equation of photosynthesis is as follows: 6CO2 + 6H2O C6H12O6 + 6O2 Background: The Hydrilla verticillita is a considered a very oppurtunistic organism as it has been found at various locations‚ having taken over waters.
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out one type of reaction. The catalase enzyme speeds up the breakdown of hydrogen peroxide into oxygen and water. The hydrogen peroxide molecule acts as the substrate molecule and enters the active site where it is broke down into oxygen and water. The oxygen and water then leave the active site. Catalase enzyme Hydrogen peroxide (toxic) oxygen + water In the investigation I am doing‚ these are the factors I could change: * The concentration
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to be meaning there were at least 2 times to 4 times more water than there should be. The percent yield of oxygen came out to be ‚ around 2%‚ maybe higher considering uncertainty of what amount of oxygen there was suppose to be. The reaction was incomplete and had to be stopped because of time‚ which explains the very high percent yield of the water and the very low percent yield of oxygen. The yield of the catalyst though‚ came out to a perfect ‚ which means that including uncertainty‚ there was
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two interlinked reactions‚ which are light dependent reactions and light independent reactions. Throughout our lab experiment‚ we focused on the affect access of light has on carbon dioxide during photosynthesis. Carbon dioxide levels decrease as oxygen levels increase and glucose is produced when light dependent reactions occur. Light energy is absorbed by photo pigments and is used to raise a electron to a higher energy state. The electron is
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I: steel wool tweezers vinegar small jar or drinking glass water small bowl Part II: hydrogen peroxide small pieces of raw potato (yeast or beef liver may be substituted for the potato) small bowl Procedures: Part I: Reaction between iron and oxygen 1. Break off a small piece of steel wool and soak it in vinegar for at least one minute. Use tweezers to push the steel wool around to remove all bubbles. 2. Using the tweezers‚ lift the steel wool out of the vinegar and shake if gently over a paper
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young woman pulled out of the water after a near drowning finds it painful to take in and expel air. All of the patients described above need assistance getting sufficient amounts of oxygen into their lungs and out to their cells. When a patient has trouble breathing and utilizing the precious resource‚ oxygen‚ a specialist called a respiratory therapist is often called upon to provide treatment and support. Without
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1. The graph shows the pattern of breathing in a person sitting at rest. (a) (i) What is the name given to the volume of air labelled A? .......................................................................................................................... (1) (ii) Explain how you would calculate the volume of air taken into the lungs in one minute. .......................................................................................................................... ........
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as a source of fuel when there wasn’t any oxygen available for the muscles. Also Andre’s muscles weren’t getting bigger but it was increasing in its strength; this is because of the training methods used for his six week training programme. - Effect of exercise on the cardiovascular system When Andre was exercising‚ a lot of he’s energy was getting used up quickly. This energy is gained from the oxidising glucose; this means that not only oxygen must be delivered by the blood but it has
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necessary to the environment. Trees are our best friends. They give us oxygen. They also give us shelter‚ shade‚ foods‚ fruits etc. They help our environment in many ways. They prevent soil erosion. They make our land fertile. They save us from droughts‚ floods‚ cyclones etc. If there are no trees our country will turn into desert. Different kinds of natural disasters will come. People will suffer from the shortage of food‚ shade and oxygen. A country should have at least 25% forest lands. But there are
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