Title Investigation of the suitability of indicators and instrumental detection of equivalence points in acid-base titration. Objective 1. To understand the importance of choosing suitable indicators for detecting the end points of acid-base titrations. 2. To obtain titration curves for some acid-base titrations. Materials and Method (Please refer to the General Chemistry BPH2012 practical manual pg 4-5) Results Part I: Suitability of Indicators A.Strong acid-weak base titration
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INTRODUCTION Student Council is a representative body composed of students chosen by their classmates to organize social and extra-curricular activities. Student Leadership development is the process of involving students in meaningful ways both in and out the classroom. It is the time of the students to show their talents‚ skills‚ and interests while developing a new skills. Student council can be good leaders because they can influence the students to be a goo followers. And the
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Sleep disorders Some causes for sleep deprivation are illness‚ work‚ sleep disorder‚ medications‚ environment and babies. Illness such as colds and tonsillitis can cause snoring and frequent waking. Sleep disorders such as sleep apnea and snoring cause sleep deprivation. Medication used to treat ADHD and epilepsy can cause insomnia. Your sleep could be interrupted for many environmental reasons too like if it’s too hot or cold‚ noisy neighbors‚ a snoring bed partner or children. Shift-work also
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Essay 3: Human Sleep Modern life is full of busy things we do‚ but we all can agree that sleep is one of our favorite things to do. Almost every person would love to spend a whole day in bed. But in our time people choose staying up late and wake up early. There are just too many things to do‚ appointments‚ deadlines‚ and the rest of the world does not go off of our own schedule. Therefore‚ the majority of the population of the United States is sleep deprived. Although the
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Nights Sleep Sleep is often the first thing people give up when life gets busy. People often forget what roles sleep play in our lives. In humans it has been demonstrated that metabolic activity of the brain decreases after 24 hours of sustained wakefulness. Lack of sleep can result in decreased immune system function‚ decreased body temperature as well as a decreased release of growth hormone. Variable heart rate increases can also be a sign of sleep deprivation. Sleep deprivation can be
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knowledge on sleep but are still looking for better treatments * How can we sleep in different habitats? Underground‚ deep sea‚ and space * Recently discovered: people in a study on space sleeping found that the individuals went lethargic and had depression issues‚ didn’t move much and avoided crucial exercise (important because we don’t want to send depressed people on long voyages) * Origin of the word sleep: somnus (roman god of sleep) and hypnos (greek god of sleep)= part of the
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Sleep is a physical and mental resting state in which a person becomes relatively inactive and unaware of the environment. In essence‚ sleep is a partial detachment from the world‚ where most external stimuli are blocked from the senses. Normal sleep is characterized by a general decrease in body temperature‚ blood pressure‚ breathing rate‚ and most other bodily functions. In contrast‚ the human brain never decreases inactivity. Studies have shown that the brain is as active during sleep as it
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Effects of Sleep on Academic Performance Introduction: Sleep is a meaningful part of a human’s life‚ yet an adequate amount of Americans have experienced disruptions from sleep. The more sleep people continue to give up throughout the week‚ the harder time it gets to catch up with the right hours of sleep. The loss of sleep does not only cause health issues‚ but also the affects the potential perform any responsibilities. As students grow older‚ they tend to believe that the less they sleep‚ their
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Running head: SLEEP AND MEMORY Sleep and Memory Maria del Rocio Gutierrez University of Texas at Brownsville Sleep and Memory We can define sleep as a period of rest and we can define immediate memory as an organism’s ability to store‚ retain‚ and subsequently retrieve information. Therefore if the organism rests for a period of time the ability to store‚ retain and retrieve information will be improved. This study will focus on how sleeping a minimum of 7 hours a day will reflect a notorious
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1. Physiologically‚ sleep is a complex process of restoration and renewal for the body. Scientists still do not have a definitive explanation for why humans have a need for sleep. 2. 1. Irritability “Complaints of irritability and [emotional] volatility following sleepless nights” are common‚ a team of Israeli researchers observed. They put those complaints to the test by following a group of underslept medical residents. The study found that the negative emotional effect of disruptive events —
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