Water Hardness Using a Titrator Name: Kyndal Petrie Lab Partners: None Date of Experiment: July 19‚ 2013 Location: My house Course Number: Che112 Abstract: This experiment was to determine the hardness of the local water supply. I determined that from the 1mg of EDTA used to turn the mixture blue‚ that the water from my tap is moderately soft. Experiment and Observation: In this experiment I developed a familiarity with the concept of water hardness‚ practice
Premium Water Hard water Calcium
Mechanical Testing: Impact and Hardness Testing ME-3701-02 3rd March 2009 Ke Chen Abstract This experiment‚ as may be derived from the title‚ involves testing multiple metallic specimens to determine their toughness‚ strength and hardness. The three tests used to determine these characteristics are called the Charpy Impact test‚ tensile strength test and Rockwell Hardness test. As stated by www.key-to-steel.com {1}‚ “Charpy impact test method for metallic materials is specified by European
Premium Tensile strength Rockwell scale
Water “hardness” was analyzed in this experiment‚ through the determination of CaCO3 concentration. This was achieved by the titration of an unknown solution using a standardized 0.1M EDTA‚ and addition of Eriochrome Black T to the unknown‚ to indicate the endpoint of the titration. The average concentration of CaCO3 obtained was 1034 ppm‚ with a standard deviation of 2.4495. The results indicate that the unknown solution can be considered as hard water. Introduction The hardness of water is
Premium Titration Calcium Calcium carbonate
A working student is an individual who works while studying. It’s a matter of time management. In order to support their needs‚ they need to work for themselves. Being a working student is kind of tough for us ordinary students. Value of Study? So when we say the value of study‚ it is the importance of studying for us student. Why studying is acquire? Because without it we can’t communicate with others‚ we can’t land a better job. Studying is simply a key for success. That’s why we are entering
Premium Hardness Education Personal life
Bad habits influence my life It is very hard for people to accept their mistakes‚ but the hardest part is to correct them since no one is perfect and it might take some time as well. Some people think they are too perfect in life; unfortunately‚ I am one of those who believe it. However‚ thinking that I am a perfect person does not make any harm to people‚ but‚ when I come back to reality and see things around me from a different point of view‚ I realize that are my bad habits the ones hurting
Premium Causality Thought Hardness
My nephew has a disease called hemophilia‚ and conquers it every day. It is a rare disease most people have no idea exists. With this disease he is in and out of the hospital very often‚ but he definitely never lets it get him down. He makes me so proud being so strong with this sickness. Hemophilia is a bleeding disorder in which the blood does not clot like it normally should. It is rare for males to be born with it‚ but even rarer for a female to be born with it. There are two different
Premium Debut albums Blood Hematology
My favourite poem is: Hope is the thing with feathers by Emily Dickinson I’ve never really had a favourite poem but this one connected with me. This is my favourite poem as it describes hope by using a powerful array of metaphors to enhance its effect. While it is true that many people all over the world live in extremely challenging and life threatening situations‚ leading hard lives in appalling conditions. What keeps people going in such circumstances is the glimmer of hope that
Premium Storm Emily Dickinson Thing
‘’A journey of a thousand miles begins with a single step. ‘’ ‘’A journey of a thousand miles begins with a single step. ‘’- it means starting is always the hardest‚ but if you never start you will never finish. I have heard this saying many times before‚ but have never experienced any journey tough enough that would remind me of this phrase‚ until last year. When I was in year ten‚ I was diagnosed with depression and anxiety by my psychiatrist‚ based on my extreme high level of stress‚ worrying
Premium Anxiety Life Meaning of life
The Two Sides of My Coin David Anthony ENG-101-A01 College Comp 1 Prof. Rosie Soy Essay #4 – The Two Sides of My Coin November 19‚ 2014 1 Throughout my life I have encountered many unique individuals such as they have altered my reality. Across the scatter colored canvas of my memories‚ two colors dominate the ends of this ever-growing masterpiece. Blue represents my dearest friend Andres Ramirez because he is a man of intellect‚ confidence‚ loyalty‚ and truth. He is my childhood
Premium Friendship Personality psychology Love
I think the most important lesson is this: no matter how hard things get or what horrible stuff happens to you‚ nobody’s going to cut you any slack. If you have to grieve‚ you need repair your torn up life‚ or you’re not perfect because you went through traumatic events in your childhood‚ it doesn’t matter. You’re held to the same standards as everyone else‚ even if things were tough for you. On one hand‚ this is kind of horrible. Grief and hardship shouldn’t be the sort of thing you have to handle
Premium If You Have to Ask Hardness Debut albums