you observer any chemical changes in this experiment? Yes. CuCo2 turned green when I applied heat to it. B. What evidence did you use to decide that something was a chemical change? I viewed my other test tubes to see if it there was a chemical change in those. C. Give at least two examples of chemical changes you observed. Zn and MgO when I Diluted HCL D. Classify the following properties of sodium metal as physical or chemical: • Silver metallic color: Physical • Turns gray in
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Carbohydrate Digestion • Tube 1 Digestion Lab – 3 ml water • Tube 2 – 3 ml 0.2% amylase • Tube 3 – 3 ml 0.2% amylase + 10 drops of 1.0M HCl • Tube 4 1 2 4 3 – 3 ml 0.2% amylase – place in hot water bath for 5 min Experiment #1: Carbohydrate Digestion • Add 5.0 ml starch solution to each tube • Incubate in 37°C bath for 1.5 hr • Divide contents of each tube evenly into 2 tubes – Lugol’s Test – Benedict’s Test Experiment #1: Carbohydrate Digestion • Lugol’s
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the mechanical and chemical digestion. (a) Ingestion (b) Digestion (c) Absorption (d) Assimilation (e) Egestion TASK 3: The process of digestion involves mechanical and chemical digestion along with the process of: 1. Ingestion 2. Digestion 3. Absorption 4. Assimilation 5. Egestion Using either a starch molecule or a fat molecule explain the journey from the mouth to the anus and indicate clearly points at which mechanical and chemical digestion are taking place:
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body. You might find yourself asking‚ what does blood have to do with digestion‚ respiration and circulation? Hopefully‚ after the presentation all of your questions will be answered. When a person thinks of digestion they usually think about what happens in the stomach. A lot has happened to digest the food way before it gets to the stomach. It starts in the mouth or oral cavity. It is a process called mechanical digestion. First‚ Mastication begins. Mastication is the chewing of the food
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Human Digestion April 27th‚ 2014 SCI/241 Erica Leath The digestive system is a very interesting process that takes place after we have eaten a meal or a snack. The digestive system is responsible for breaking down the food that we have eaten and sending the nutrients to the different places in the body. The digestive is so amazing because it recognizes what your body needs and does not need and understands how to separate the two. Just like everything else in our body‚ the digestive
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Exercise can help prevent excess weight gain or help maintain weight loss. When you engage in physical activity‚ you burn calories. The more intense the activity‚ the more calories you burn. You don’t need to set aside large chunks of time for exercise to reap weight-loss benefits. If you can’t do an actual workout‚ get more active throughout the day in simple ways — by taking the stairs instead of the elevator or revving up your household chores. Each of us has a physical body made of muscles
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Poem at 39 and Piano Poem at 39 is about a woman describing the relationship with her father. She first talks about how she misses him but the poet portrays a subtle sense of dislike and resentment. She says he was tired when she was born ‘How I miss my father I wish he had not been so tired when I was born. This makes her feel like she is not wanted as she has so many other siblings. A child that age would feel very bad if her father did not give it their love and attention and as they get older
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Digestion and Nutrients Briana Smallwood The human body needs nutrients for it to survive. Nutrients are the fuel for the body to do work. It helps the body grow‚ provide protection from sickness and disease‚ function properly‚ and even live. There are many types and forms of nutrients that each do specific or multiple jobs. They are classified in six main groups. Carbohydrates‚ proteins‚ fats‚ vitamins‚ minerals and water are all the different groups. Proteins are nutrients that help build and
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Two types of Exercises: Running Versus Jogging Outline: Introduction When people think of jogging and running‚ they tend to categorize it together. When asked for people to tell me the difference‚ I get the answer “the speed”‚ but it is much more than that. Jogging is for people who want to do a “less strenuous‚ less serious form of running.” (runrunlive.com). Meanwhile‚ running is for the more elite and competitive. It is hard to tell any other differences when the naked eye is observing. But
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classical music by her father‚ at the very young age of four (Lata Mangeshkar Unforgettable Lata‚ n.d). She also studied with Aman Ali Khan Sahib and later Amanat Khan (Ibid.). Her God-given musical talents meant that she could master the vocal exercises effortlessly on first pass and from early on she was recognized as being highly gifted musically. In Lata’s words "her father told her mother that she is going to be a miracle after he studied her stars" (Kumar‚ n.d). She most definitely has become
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