Vitamin c in fruit juice using dcpip titration Preparing the standard ascorbic acid solution 1. Weigh out accurately about 0.2 g ascorbic acid and make up to 1 L with distilled water. 2. Calculate the concentration of the ascorbic acid solution: C = n/V = m/M/V. Sample calculation: mass of ascorbic acid = 0.205 g C (ascorbic acid) = 0.205/176.12/1.00 = 0.00116 M Preparing the DCPIP solution Weigh out accurately approximately 0.24 g DCPIP (Mr = 268.1g/mol) and make up to 1 L with
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NO MORE WOOF http://www.livescience.com/42300-no-more-woof-dog-animal-communication.html A dog may be man’s best friend‚ but if people ever figure out what dogs are really thinking‚ will the friendship sour? That’s a risk that a few inventors in Europe are willing to take: They’ve received funding to develop "No More Woof‚" an electronic device that promises to analyze dogs’ brain waves and translate a few of their thoughts into rudimentary English. It’s still a work in progress‚ but once
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(consideration does not include time value of money). Types of Riba: 1. Riba’ AnNisi’ah: This is the stipulated interest which the lender takes from the borrower in consideration of the time given to the borrower to pay back the capital. It is HARAM based on the Quran and the Sunnah and the consensus of Muslim scholars. 2. Riba’ Al Fadl: This applies to barter (exchanging one commodity for another)‚ where commodities of the same type are exchanged in unequal amounts‚ especially the exchange
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Less IS More In “The Gospel of Consumption”‚ Jeffrey Kaplan touched on the Kellogg controversy regarding their temporary experiment with a six-hour workday. This hot debate brought up the question: Which is better? A larger income or a chance to rest? It is without hesitation that I say we should have stuck to the six-hour workday. Although our current eight hour routines allow us the opportunity to earn more money‚ Kellogg’s experiment proved that those with shorter hours were happier and healthier
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Types of Life Insurance Policy Term Policy Term life insurance is the most affordable type of life insurance available. It is designed to meet temporary life insurance needs; providing protection for a specified period of time‚ the term. For example‚ a term of 10‚ 20 or 30 years. This type of life insurance makes sense if you have financial needs that will diminish over time‚ such as a home mortgage or a child’s tuition. Each year‚ a premium is paid to cover the risk of death during that year
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mole 1 mole 1 mole 1 mole Aim To analyze the Vitamin C from a rival company and compare with that of my company and find out the best value for the money spent by the consumer. Controlled Variable * Mass of the tablet and hereby vitamin C in rival company tablets * Consistency of components in the Vitamin C tablet * Concentration of NaOH Apparatus 1. Burette (50ml) 2. Conical flask (50ml) 3. Vitamin C tablet (1 tablet per one trial) 4. Sodium Hydroxide (NaOH)
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3.4 Types of Actors Figure 3.2 Types of Actors and Some Current Actors Who Fit Each Category Impersonators Dustin Hoffman brings Lenny Bruce to life. The performance is so convincing and Lenny so gritty that today’s audiences may think they are seeing Lenny Bruce himself.Photo by Mary Evans/Ronald Grant/courtesy Everett Collection The term impersonator is considered somewhat demeaning in the acting world‚ suggesting that the actor has simply copied the manner‚ dialect‚ and behavior of a character
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Weighbridge Technology Weighbridges play a vital role in today’s agricultural industries‚ providing valuable weight data for incoming and outgoing vehicles at farms‚ mills and terminals‚ as well as for bulk loading activities. Now a blend of versatile instrumentation‚ user-friendly software and communication technology is rapidly increasing the scope of weighbridges‚ thereby expanding their operational and data collection capabilities. Parkerfarm’s Mark Spick outlines what users should look for
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Paul Chung Transition English Four April 21‚ 2011 Essay No more Guns The year 1774 was pivotal in the history of the United States. It marked the beginning of the Revolutionary war‚ which lasted thirteen years and claimed thousands of lives. Fighting against the British‚ the Americans had to rely on individual citizens because they did not have a well organized army. As famers and hunters‚ many citizens already owned guns. These rifles proved indispensable in defeating the British. After the
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Types of Lies People Tell Types of Lies People Tell > Lies might have been part of human life since language appeared. Although they are something people frown upon‚ they are not all vicious. According to the purpose to tell lies‚ they can be divided into three types: beneficial lies‚ spiteful lies‚ neutral lies. Beneficial lies usually mean to help. They are told out of kindness and people benefit from them. They help avoid hurt‚ sadness‚ insult‚ and
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