Kinetics Kinetics 6.1 Rates of reaction 6.2 Collision theory 6 16.1 Rate Expression (AHL) 16.2 Reaction mechanism (AHL) 16.3 Activation energy (AHL) 6.1 Rates of reaction 6.1.1 Define the term rate of reaction. 6.1.2 Describe suitable experimental procedures for measuring rates of reactions. 6.1.3 Analyse data from rate experiments. © IBO 2007 Figure 601 An explosion is a quick reaction D ifferent chemical reactions occur at different rates (i.e. speeds)
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Hello everybody! My name is (be) Stewie and this ....is...(be) my family. My mother’s name ..is.....(be) Louis. She .....is..(be) a housewife and she ...is....(be) 35 years old. She ......gets up....(get up) at 7o’clock every morning and ..........prepares......(prepare) breakfast. She...cleans.........(clean) our house and ....feeds........(feed) our dog. She ....coocks.......(cook) well. She .........likes....(like) listening to the radio and watching soap operas on TV‚ but she ....doesn´t like
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Astronomical Clock “Tick tock‚ tick tock” is a common sound from today’s clocks. When traveling in Prague in the Czech Republic‚ the normal everyday clock is not to be found in front of “the Old Town Hall.” Instead‚ the Prague Astronomical Clock overshadows all other clocks with its magnificent craftsmanship. The delicate clock is filled with different mechanics that make it work‚ along with legends and stories to come along with it‚ and the many different times it tells. Normal clock mechanics
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ANALYSIS AND DISCUSSION Toward the start of my examination I was speculation to break down just 1% centralization of Sodium Bicarbonate in water‚ yet because of a few reasons my examination got put off and till then there was change in the temperature outside because of which I needed to build the fixation. The second analysis gave me sure results‚ yet in the first I never felt that the relocation change that would happen will be so less. The room temperature was one of our reliant variables‚ on
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Death is an unavoidable occurrence in life‚ but the forms vary in the way that people may describe a death or may be a feeling of what might feel like death. Both W.H. Auden who wrote the poem Stop all the Clocks and Gwen Harwood who wrote the poem Barn Owl have both shown the idea of death in their poems. In the first part of the poem Barn Owl a child at a rebellious age‚ experiments with the constraints of authority in an attempt to seek control for herself‚ as the child sneaks out to kill a
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into the movie to make it well done on so many scales. There are lots of forms of film elements used and shown throughout the movie‚ but one particular symbol focuses on is the use of clocks and how it helps shape the movie and the idea Chbosky is trying to get across. The scenes throughout the movie subtly have clocks placed and certain times being announced in the film to insure the idea that although time may seem to drag on forever‚ time also goes by extremely fast. For Charlie‚ the main character
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Title An investigation of the effects of schemas on drawing a clock. Introduction A schema according to Henry Gleitman (2007) is a mental representation that summarises what we know about a certain event or situation. Schemas reflect the fact that many aspects of our experience are redundant and schemas seek to provide a summary of this redundancy. When an individual encounters an event or situation‚ they seek to understand it by relating it to a schema. Schemas are useful not only in providing
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Dental amalgam Question 5. What is the percentage of pure gold in a 12-carat gold bracelet? A. 25% B. 50% C. 75% D. 100% Question 6. Which of the following metals is not naturally found as a pure element? A. Platinum B. Silver C. Gold D. Sodium Question 7. During the process of froth flotation‚ waste material is separated from the ore. This waste material is called A. the overburden B slag C gangue D a mineral Question 8. Moving through the activity series for metals from potassium
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Effect of Concentration on Reaction Rate Aim: To use a simple reaction between sodium thiosulphate and hydrochloric acid to discover concentration this determines how fast chemical reactions occur. Independent Variable: Concentration of hydrochloric acid (%) Dependent Variable: Time taken for chemical reaction to take place (sec) Hypothesis: My prediction is that the increased concentration of the thiosulfate will in turn lead to an increase in the rate of reaction. This is a well informed
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microprocessor. Microprocessors also control the logic of almost all digital devices‚ from clock radios to fuel-injection systems for automobiles. Three basic characteristics differentiate microprocessors: • Instruction set: The set of instructions that the microprocessor can execute. • bandwidth : The number of bits processed in a single instruction. • clock speed : Given in megahertz (MHz)‚ the clock speed determines how many instructions per second the processor canexecute. In both cases
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