Chemical Kinetics Factors Affecting Reaction Rate OVERVIEW Chemical reactions occur at different rates. In this experiment you will consider some of the key factors that influence the rate of a reaction: nature of reactants - particle size temperature concentration catalysts According to the collision theory‚ the rate of a reaction depends on the frequency of collisions between reacting particles. The more frequent the collisions‚ the faster the rate of the reaction. However‚ in order for the
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Introduction I will be designing a fitness programme for my client using the programme planning process given below. As this is an exercise prescription process I will first screen my client to find out if he/she has any underlying health issues‚ medical history and bad/good habits using the Par-q. This must be done as there are risks to training. The instructor must find out this relevant information before prescribing a programme as he/she will need to design a programme suitable to the client’s
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[Type text] [Type text] [Type text] _An experiment on the effect of surface area to volume ratio on the rate of osmosis of Solanum tuberosum L._ BACKGROUND A cell needs to perform diffusion in order to survive. Substances‚ including water‚ ions‚ and molecules that are required for cellular activities‚ can enter and leave cells by a passive process such as diffusion. Diffusion is random movement of molecules in a net direction from a region of higher concentration to a region of lower concentration
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Health Benefits of Exercise Regular exercise can help protect you from heart disease and stroke‚ high blood pressure‚ noninsulin-dependent diabetes‚ obesity‚ back pain‚ osteoporosis‚ and can improve your mood and help you to better manage stress. For the greatest overall health benefits‚ experts recommend that you do 20 to 30 minutes of aerobic activity three or more times a week and some type of muscle strengthening activity and stretching at least twice a week. However‚ if you are unable
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think that every exercise is the same‚ but there is a big difference in all exercises. Do you know the difference between aerobic and anaerobic exercises? What about the benefits they both give and which one benefits you most? Aerobic exercises also called cardiovascular exercises are any sustained‚ rhythmic activity that affects the large muscle groups and makes the lungs work harder as the body’s need for oxygen increases. Many benefits come with doing aerobic exercises. According tohttp://www
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be defined as the number of people (of working age) who are willing and available to work at current wage rates‚ but not currently employed • Unemployment rate: the percentage of the labour force without a job but registered as being willing and available for work • Labour force: those people holding a job or registered as being willing and available for work • Participation rate: the percentage of the population of working age declaring themselves to be in the labour force TYPES
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assignment is going to be about the immediate and long-term effects of exercise on the body particularly looking at exercise to the cardiovascular system and respiratory system. Exercise is very important for a number of reasons. It helps prevent diseases‚ improves stamina and circulation of the blood‚ strengthens and tones the body‚ enhances flexibility‚ controls weight and most importantly improves our quality of life. Our bodies crave exercise‚ without it we are putting extra pressure on our vital
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Exercise 1: Action movies inspire youngster to imitate risky and dangerous acts like car races and stunts. In not less than 350 words‚ discuss this statement by providing justifications and examples. Exercise 2: Reading comics is certainly not educational for the young. How far do you agree with this statement? Give reasons for your answer. You should write at least 350 words. Exercise 3: ‘Parents know best as far as careers are concerned.’ What do you think? You should write at least 350
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is about the effects exercise has on the heart‚ Simon discusses both the immediate effects of exercise as well as the delayed effects. The article also discusses the risks of not exercising‚ saying that if a person regularly and vigorously exercises‚ that person will have the lowest risk of heart disease. Simon discusses the difference between vigorous and moderate exercise. Simon says that vigorous exercise may not be as effective in improving heart health as regular moderate exercise. And the actual
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Chapter 1 Role of Financial Markets and Institutions 1. Financial market participants who provide funds are called A) deficit units. B) surplus units. C) primary units. D) secondary units. 2. The main provider(s) of funds to the U.S. Treasury is (are) A) households and businesses. B) foreign financial institutions
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