BUFFER SOLUTIONS CONTENTS 1. Introductions. 2. Principles of buffering. 3. Applications a. Simple buffering agents. b. "Universal" buffer mixtures. c. Common buffer compounds used in biology. 4. Buffer capacity. 5. Calculating buffer pH a. Monoprotic acids. b. Polyprotic acids. 6. Biblography. INTRODUCTION A buffer is an aqueous
Free PH Buffer solution Acid dissociation constant
A buffer solution can maintains a narrow range of pH even when strong acid are added. In our experiment‚ we can see water is not a buffer‚ water can undergo very big changes when small amounts of strong acid or strong bases are added. When the strong acid‚ 100µl HCl was added into the dd water‚ the pH value changed from 7.38 to 5.83 which mean the dd water has turn into acid. The same phenomenon occurs while strong base‚ 100µl NaOH was added into the dd water. The pH value changed from 7.07 to 9
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I. History North Park Group of Companies is a Chinese Restaurant managed by Raphael Soon (President) and Gabriel Soon (Vice President). It operates a chain of restaurants under the trade names NORTH PARK NOODLES‚ NEXT DOOR NOODLES‚ KOPI TIAM and MA CHICKEN MAMI. NORTH PARK NOODLE HOUSE INC. is a Chinese restaurant which food critiques rated as one of the top ten restaurants in Metro Manila. The company was born in September 6‚ 1994 and is under the creative leadership of the Soon brothers -
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Starting with Hurricane Harvey‚ the United States and other parts of the world has been hit with a series of devastating natural disasters in the past couple of months. Hurricanes‚ tornados‚ earthquakes‚ and floods decimated major cities and small towns alike. Following these disasters‚ differing beliefs on what the source of these phenomenons are. One theory is that they are caused by ‘global warming’‚ but on the other side of the spectrum‚ there is talk that this is the sign of the second coming
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POLITICAL CAMPAIGN PLANNING MANUAL A STEP BY STEP GUIDE TO WINNING ELECTIONS By J. Brian O’Day National Democratic Institute for International Affairs POLITICAL CAMPAIGN PLANNING MANUAL PREFACE In preparation for the 1995 Russian Duma elections‚ NDI political trainers Ken Payne‚ Kate Head‚ and Sheila O’Connell‚ along with Russian experts Aleksei Shustov and Oleg Nikishenkov wrote the Strategic Election Planning Manual. This manual has been one of the most popular publications in the National
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1.John is twice as old as his friend Peter. Peter is 5 years older than Alice. In 5 years‚ John will be three times as old as Alice. How old is Peter now? 2. John’s father is 5 times older than John and John is twice as old as his sister Alice. In two years time‚ the sum of their ages will be 58. How old is John now? 3. Joan is 3 times as old as her sister. In 3 yeas ‚ shee will be two years more than twice the age her sister will be then. What are their ages? 4. Kevin is 4 years older than
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Solutions for Homelessness This great nation of awesome power and abundant resources is losing the battle against homelessness. The casualties can be seen on the street corners of every city in American holding an "I will work for food" sign. Homeless shelters and rescue missions are at full capacity. There is no room at the inn for the nation’s indigent. Anyone who has studied this issue understands that homelessness is a complex problem. Communities continue to struggle with this socio-economic
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Steve Harvey wants to help the black community but‚ going to trump tower and taking a picture with trump on martin luther king weekend made it look more agreeable than helpful. The Purpose of this research paper is to prove that trevor noah on the daily show was wrong with every word he had to claim. Bringing a fake steve harvey on to the show just made the mood more easier but he made some important points. The Daily Show with Trevor Noah is a big time Tv show where they talk about different events
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Electrolytic Solutions Solutions are sometimes grouped according to their ability to conduct electricity. Substances whose solutions conduct electricity are called electrolytes and those that do not conduct electricity are called nonelectrolytes. Also electrolytes can be strong or weak. Under strong electrolytes we have NaCl and CaCl2 which are ionic compounds‚ HCI‚ HNO3‚ HBr and H2SO4 are under acids and NaOH‚ KOH‚ and LiOH are under bases. Weak electrolytes are ionic compounds and slightly
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Rachel Bohnenberger Professor Van Doorn ENVS 150-002 30 January 2015 Critique Two In the first video‚ The Story of Solutions‚ the main focus was to shift attention from making more and more for the economy to making the economy better. It was described in the video that in order to make the economy better‚ we need to focus our attention on sustainability. One example given was banning plastic bags. Two methods were given on how to accomplish said task—the old method and the new method. The old
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