Aim: To determine the effect of altering concentration (mol dm-3) of hydrochloric acid (HCl) on the rate of reaction (mol dm-3 s-1) for the following chemical reaction: CaCO3(s) + HCl(aq) CaCl2(s) + H2O(l) + CO2(g) Research question: How does altering concentration (mol dm-3) of hydrochloric acid (HCl) affect the rate of reaction (g/s) for the following reaction: CaCO3(s) + HCl(aq) CaCl2(s) + H2O(l) + CO2(g) Background information: The reaction between calcium carbonate and hydrochloric acid
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What rank are you applying for?: Helper What is your age?: 16 Whats your IGN?: hassan7000 Are you a Boy or Girl?: Boy What country do you live in?: Denmark Do you have a YouTube or Twitch channel?: https://www.youtube.com/channel/UCT0VervLfCNEbPqKAsBt_Xw Do you have a microphone/headset?: Yes Why do you want this rank?: i want this rank because‚ I dont see any staff online‚ and i always find hackers and other bannable stuff. I think i can help with stopping the players that hack‚ or do other
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IMPORTANCE OF PHYSICAL EXERCISE: INTRODUCTION: Physical exercise means systematic exercise of body.Our body is made out of many limbs or parts.For maintaining good health proper functioning of all the parts is important.Physical exercise keeps the limbs of our body fit and healthy. PHISICAL EXERCISE: Phisical exercise means the movement of various parts of the body.When we work only to exercise our limbs then we call it phisical exercise.It is necessary for those who work more with their brains
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The term “heart failure” sounds as if the heart has already failed. This can increase a person’s anxiety especially in the aging population that is a targeted community for this disease assuming that the failure is equivalent to death. Heart failure is actually the decline in the hearts ability to sufficiently pump oxygenated blood to the rest of the body. Many people can live with heart failure and are able to manage it through lifestyle changes‚ prescribed medication compliance‚ and regular physician
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you are exercising to lose weight‚ make sure to focus on aerobics. This type of exercise causes an increase in heart rate‚ which means you will burn fat at a higher rate. You can determine if an exercise is a
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Exchange Rate December 2014 THE EXCHANGE RATE KEY DEFINITIONS AND CONCEPTS 1. How is the exchange rate defined? The exchange rate is the price of a unit of foreign currency in terms of the domestic currency. In the Philippines‚ for instance‚ the exchange rate is conventionally expressed as the value of one US dollar in peso equivalent. For example‚ US$1 = P44.00. In every exchange rate quotation‚ therefore‚ there are always two currencies involved. 2. Why is the exchange rate important? The exchange
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P.‚ & O’Byrne‚ P. M. (2015). Asthma and exercise-induced bronchoconstriction in athletes. New England Journal of Medicine‚ 372(7)‚ 641-648. Burnett‚ D. M.‚ Burns‚ S.‚ Merritt‚ S.‚ Wick‚ J.‚ & Sharpe‚ M. (2016). Prevalence of exercise-induced bronchoconstriction measured by standardized testing in healthy college athletes. Couto‚ M.‚ Stang‚ J.‚ Horta‚ L.‚ Stensrud‚ T.‚ Severo‚ M.‚ Mowinckel
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Diction exercises will help you learn how to speak clearly. The athlete does warm-ups and stretches before an event: a singer does likewise. These exercises are the speaker’s warm-up equivalent. They prepare and train you to speak with ease. Good diction is NOT about changing your accent or making you ’talk posh’. It is about clarity - making sure what you say is heard. The most commonly known and used Diction Exercises are Tongue Twisters. There are many‚ each focusing on either a single letter
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VARYING EFFECTS OF ENZYME CONCENTRATION ON REACTION RATES OF MALATE DEHYDROGENASE CELL BIOLOGY 13 NOVEMBER 2007 Enzymes are biological catalysts. They are proteins that speed up reactions with low concentrations. These enzyme proteins are made up of linkages of amino acids. The links coil‚ and coil again forming a tertiary structure. This structure has a groove in it called an active site. The active site is
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Coronary Heart Disease Coronary Heart Disease (CHD) is the leading cause of death in the United States. There are many types of heart diseases that fall into this title. Two of the most popular forms of cardiovascular diseases are heart attack and stroke. The increasing amount of exposure of known risk factors for these diseases to young adults is why I feel it is necessary to promote what it takes to lead a heart healthy lifestyle in order to avoid becoming another statistic. I feel as though
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