I have read two poems recently‚ “The Last Whale” by Miles Gibson and “The Song of the Whale” by Kit Wright. Although these two poems are written by two different poets‚ they have one thing in common - both are talking about the needless loss of whales. I’m going to share about how I feel about these two poems and compare them‚ to see the differences and the similarities between both. At first sight‚ I think these two poems really look alike‚ you can see the word ‘whale’ in both poems’ title.
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There are many reasons for which Augustus was successful emperor amongst which his building programme plays a vital role. Besides his building programme Augustus also used other means to become successful and the main ones are his avoidance of being seen as an arrogant leader or dictator‚ keeping his promises‚ claimed to act in the ways and will of their ancestors‚ he was selfless‚ he put on games and also his victories at war. The period immediately before Augustus became emperor was one of turmoil
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In this experiment‚ particle size‚ temperature‚ concentration of a solution‚ and catalysts will be tested to determine how they influence the rate of reaction. Materials: 1. Goggles 2. Powdered calcium carbonate (CaCO3) 3. Metal scoop 4. Marble chips 5. Cold water 6. Hot water 7. Room temperature water 8. 1M hydrochloric acid (HCl) 9. 3 M HCl 10. Iron (III) chloride (FeCl3) 11. Sodium chloride (NaCl) 12. Calcium chloride (CaCl2) 13. Potassium nitrate (KNO3) 14. 0.3% hydrogen peroxide
Free Chemical reaction Chlorine Sodium chloride
Investigation into How the Concentration of a Reactant Can Affect the Rate of Reaction Aim To plan an investigation that allows me to measure the effect of increasing the concentration of a reactant on the rate of reaction. With the results generated‚ it is also hoped to draw accurate conclusions and explain the results using scientific knowledge. Introduction Some reactions are fast‚ for example neutralisation or burning magnesium in air to produce magnesium oxide. However‚ other reactions
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with the following chemical reaction which illustrates a small scale gas extraction procedure: CaCO3(s) + 2HCl(aq) CaCl2(aq) + CO2(g) + H2O(l) Hydrochloric acid would need to be imported from Earth to supply the activities on Mars which acid is reacted with the rocks to generate CO2. Calcium carbonate minerals contained within the rocks of Mars have quantities of CO2 which can be extracted using a double displacement reaction. Calcium Carbonate is an alkali‚ and when mixed with an HCI generates
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An Investigation into the Factors Affecting the Rate of the Reaction between Calcium Carbonate and Hydrochloric Acid A chemical reaction is the process by which atoms or groups of atoms are redistributed‚ resulting in a change in the molecular composition of substances. The reaction rate is how quickly a reaction occurs and this can be affected by four different factors: ¡¤ changing the surface area of any solids involved ¡¤ changing the concentration of reactants in solution ¡¤ changing the temperature
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Aim: To investigate the weathering of marble due to acid rain. Hypothesis: The larger the surface area the quicker the reaction. Because there will be more surface area or room to collide with the marble chip particles therefore resulting in a quicker reaction. The smaller the surface area‚ the slower the reaction will be as there will be fewer particles so less chance of a collision and a lower rate of reaction. Equipment: • 1x Test Tube Rack • 2x Test tubes • 1x Delivery
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acid affect the rate of reaction? Outline I aim to discover how different concentrations of Hydrochloric acid influence the rates of reaction. In order to carry out this investigation I have decided to use marble chips‚ which I will vary the sizes as powder‚ small chips and large chips. I will also be changing the concentration‚ the different concentrations are as follows 0.2m‚ 0.5m‚ 1m‚ 1.5‚ 2m. I have chosen these concentrations as they have a good range‚ we have to take this in to account
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During a reaction‚ we can only measure how much reactant is used up in a certain time. On the other hand‚ we might choose to measure how much product is formed in a certain time. To find the speed or rate of reaction‚ you can divide the amount of marble chips ( in grams) by the time taken (in seconds). This would give you a reaction rate in grams per second. What affects the Rate of Reaction ? Surface Area We find that small pieces of solids‚ especially powders‚ react faster than large pieces
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SIZE Question: How does changing the particle size of marble (CaCO3) affect the rate of reaction when it is added to hydrochloric acid (HCl)? Hypothesis: If I change the particle size of marble to test how to change the rate of a chemical reaction‚ than the chemical reaction with the smallest marble particles will produce CO2 the quickest because the larger the surface area‚ the more place the hydrochloric acid will have to collide with the marble. Variables: Independent Variable Dependent Variable
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