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importance of ph in everyday life
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Question:Why are acid and base indicators important? How could they be used in everyday life?
Answers:They're important for giving a pretty good estimate of the pH of a solution. How can they be used in everyday life? Well people normally don't go around carrying a bunch of acid/base indicators with them. They're used more for academic purposes. I guess they could be used for things like pools and rain water...
Answers:They're important for giving a pretty good estimate of the pH of a solution. How can they be used in everyday life? Well people normally don't go around carrying a bunch of acid/base indicators with them. They're used more for academic purposes. I guess they could be used for things like pools and rain water...
Question:name three situations in which acid base indicators might be useful in everyday life
Answers:testing pH of blood looking at bacterial activity - when they respire they lower pH testing a water sample so fish can live happily in a lake
Answers:testing pH of blood looking at bacterial activity - when they respire they lower pH testing a water sample so fish can live happily in a lake
Question:why are school teaching it to little 8-9 year olds and younger? another problem with schools i have, is when doing "real" everyday math, we were automatically told to use a calculator. now, ppl my age and younger, generally have problems handing back chance from registers, if having to think in your head. example: if working a concession stand, and the register does no tell you what to give back. i know this does not apply to everyone but who on here has the same issues and concerns about school? just wondering. correction- instead of "chance", i meant "change" in that sentence!
Answers:Algebra is used frequently in everyday life, but we don't often think about the fact that we are using algebra. If you are trying to figure out how many packages of hot dog buns to buy for a party, you are using algebra. Planning a budget for a road trip based on gas prices and gas mileage - using algebra. As for why it's being taught as early as Kindergarten (yes, those old problems Square +1 = 2, what goes in the square? - algebra!), it's to develop algebraic thinking. Thinking about algebra means thinking in a unique way in which numbers combine not just in a forward 1+2=3 but also in a 3-2=1 or 2+1=3 way and so on. The sooner we introduce students to this form of thinking the more successful they will be with any type of logic problem presented to them, not just algebra. However, I agree with you about calculators. It is important to teach students how and when to use calculators. It is also important to teach students how to estimate so they know if they made a mistake leading to a wrong answer on a calculator. Calculators can only be as good as the people using them.
Answers:Algebra is used frequently in everyday life, but we don't often think about the fact that we are using algebra. If you are trying to figure out how many packages of hot dog buns to buy for a party, you are using algebra. Planning a budget for a road trip based on gas prices and gas mileage - using algebra. As for why it's being taught as early as Kindergarten (yes, those old problems Square +1 = 2, what goes in the square? - algebra!), it's to develop algebraic thinking. Thinking about algebra means thinking in a unique way in which numbers combine not just in a forward 1+2=3 but also in a 3-2=1 or 2+1=3 way and so on. The sooner we introduce students to this form of thinking the more successful they will be with any type of logic problem presented to them, not just algebra. However, I agree with you about calculators. It is important to teach students how and when to use calculators. It is also important to teach students how to estimate so they know if they made a mistake leading to a wrong answer on a calculator. Calculators can only be as good as the people using them.
Question:need help with a chemistry project and one thing we gotta talk about is how mgcl is used relevant to our lives,
like iron is used in nails or aluminium in coke cans - they are like used in everyday life
so by any chance does anyone know what we use frequently that contains mgcl?
thanks!
xxx
Answers:Culinary use ------------------- Magnesium chloride is an important coagulant used in the preparation of tofu from soy milk. In Japan it is sold as nigari ( , derived from the Japanese word for "bitter"), a white powder produced from seawater after the sodium chloride has been removed, and the water evaporated. In China it is called "lushui" ( in Chinese). Nigari or Lushui consists mostly of magnesium chloride, with some magnesium sulfate and other trace elements. It is also an ingredient in baby formula milk. Use as an anti-icer ----------------------------- A number of state highway departments throughout the United States have decreased the use of rock salt and sand on roadways and have increased the use of liquid magnesium chloride as a de-icer or anti-icer. Magnesium chloride is much less toxic to plant life surrounding highways and airports, and is less corrosive to concrete and steel (and other iron alloys) than sodium chloride. The liquid magnesium chloride is sprayed on dry pavement (tarmac) prior to precipitation or wet pavement prior to freezing temperatures in the winter months to prevent snow and ice from adhering and bonding to the roadway. The application of anti-icers is utilized in an effort to improve highway safety. Magnesium chloride is also sold in crystal form for household and business use to de-ice sidewalks and driveways. In these applications, the compound is applied after precipitation has fallen or ice has formed, instead of previously. The use of this compound seems to show an improvement in driving conditions during and after freezing precipitation yet it seems to be negatively affecting electric utilities. Two main issues have been raised regarding the anti-icer magnesium chloride as it relates to electric utilities: contamination of insulators causing tracking and arcing across them, and corrosion of steel and aluminium poles and pole hardware.
Answers:Culinary use ------------------- Magnesium chloride is an important coagulant used in the preparation of tofu from soy milk. In Japan it is sold as nigari ( , derived from the Japanese word for "bitter"), a white powder produced from seawater after the sodium chloride has been removed, and the water evaporated. In China it is called "lushui" ( in Chinese). Nigari or Lushui consists mostly of magnesium chloride, with some magnesium sulfate and other trace elements. It is also an ingredient in baby formula milk. Use as an anti-icer ----------------------------- A number of state highway departments throughout the United States have decreased the use of rock salt and sand on roadways and have increased the use of liquid magnesium chloride as a de-icer or anti-icer. Magnesium chloride is much less toxic to plant life surrounding highways and airports, and is less corrosive to concrete and steel (and other iron alloys) than sodium chloride. The liquid magnesium chloride is sprayed on dry pavement (tarmac) prior to precipitation or wet pavement prior to freezing temperatures in the winter months to prevent snow and ice from adhering and bonding to the roadway. The application of anti-icers is utilized in an effort to improve highway safety. Magnesium chloride is also sold in crystal form for household and business use to de-ice sidewalks and driveways. In these applications, the compound is applied after precipitation has fallen or ice has formed, instead of previously. The use of this compound seems to show an improvement in driving conditions during and after freezing precipitation yet it seems to be negatively affecting electric utilities. Two main issues have been raised regarding the anti-icer magnesium chloride as it relates to electric utilities: contamination of insulators causing tracking and arcing across them, and corrosion of steel and aluminium poles and pole hardware.
From Youtube
Family, The Most Important Thing In Life :ronandlauraperkins.com 7 Steps to Building a Strong Family. 1. Strong families make it a priority to spend time together, and are committed to each other. This does not have to mean organizing great days out, but doing everyday tasks such as running errands, household chores or playing games together. Have a notice board in a prominent place in your home, with a daily REMINDER that your family comes first. This may seem crazy, but our hectic lifestyles with work and school mean we can frequently forget to take time out and work on our family relationships. 2. Ask yourself, why am I so busy? What am I doing, and is it helping to strengthen our family, or causing us to be apart more often? Is what I am doing really worth it? You may find that, when you stop and think about it, there may be activities you can cut out, or you may find ways of managing your time more effectively. 3. Some of those issues that have been important to you, on reflection, you may be able to re-prioritize. For example, household chores, like cleaning, or not allowing your kids to do 'messy' activities like painting or cooking. Being less fastidious about such issues may unlock time for being together and having fun. 4. Is your child attending lots of after-school clubs? Some parents like to feel that their child is constantly occupied and gaining new interests, and this is great, if that is what they are really doing. If a child loves doing many activities, that is good, but some children like to ...
The College Network -- The Importance of Pedagody and Andragogy :Carla A. Downing, Ph.D, Vice President of Product Development and Academic Support, discusses pedagogy and andragogy at the 16th Annual Sloan-C International Conference on Online Learning in November, 2010 in her presentation "The Importance of Pedagogy and Andragogy." Dr. Downing compares and contrasts pedagogy and andragogy, discusses how needs for structure and autonomy differ between the two and how life's experiences are incorporated into learning. She also discusses how "true learning" can be facilitated and how students can be taught how to "connect the dots" when pedagogical and andragogical practices are successfully incorporated along with adequate time for students to reflect.
