the pH of a solution (5 points) 2. Cooks use baking soda to make cakes light and fluffy. You might have used baking soda yourself. Baking soda is NaHCO3. A 0.1 M solution of baking soda in water has a [H+] of about 4.0 × 10–9. (You may prefer to think of the hydronium ion concentration‚ [H3O+]‚ as 4.0 × 10–9.) Write the formula for the calculation of pH‚ and then show each step as you calculate the pH of a 0.1 M solution of baking soda. Answer: pH = -log [H⁺] ←←[log without a specified base means
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The term seltzer once referred to the effervescent mineral water obtained from the natural springs near the village of Niederseltsers in SW Germany. Today‚ however‚ seltzer is simply well-filtered tap water with artificially added carbonation. Club soda is also artificially carbonated but contains other additives as well‚ including sodium bicarbonate‚ sodium chloride‚ sodium phosphate‚ sodium citrate‚ and sometimes light flavoring. Artificial carbonation was first introduced in 1767 by an Englishman
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strategy. Their strategy is trying to give customers the best cost/value combination‚ by incorporating a key good-or-better product characteristics at a lower cost than competitors. In other words‚ there are numerous types of sodas on the market; but DPS strives at making their soda distinctive but with an affordable
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1. BRANDY ALEXANDER Ingredients: 1 jigger Brandy 1 jigger Brown Crème de Cacao 1 jigger Cream or Milk Procedure: SHAKE Pour all ingredients into a cocktail shaker with ice. Shake and strain into a cocktail/martini glass. Sprinkle with grated nutmeg. Glass: Cocktail glass / Martini glass 2. SIDE CAR Ingredients: 1 jigger Brandy ½ jigger Triple Sec ½ jigger Calamansi /Lemon juice Procedure: SHAKE Pour all ingredients into
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Groningen. Retrieved from http://www.rug400.nl/rug400_2/rug_definitief.dev/sites/default/files/Melting%20Icecaps.pdf 1. A can of diet soda floats in water‚ whereas a can of regular soda sinks. Explain this phenomenon in terms of density and in terms of weight versus buoyant force. Support your answer. If the can of diet soda floats it must be less dense then can of regular soda. This is
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culprit is the added sugar in sodas and other sugary beverages‚ like sports drinks or teas. One idea public health advocates have floated to bring sugar consumption down is to tax beverages with more than a certain amount of added sugar. (Berkeley‚ Calif.‚ and the Navajo Nation have managed to pass such legislation.) Another is to shrink the size of soda cups. The latest idea is a warning label. Legislators in New York and in California are trying to emblazon sodas with
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carried on by rule-of-thumb methods‚ but the classic researches of Chevreul on the constitution of fats at once placed the industry upon a scientific basis‚ and stimulated by Leblanc’s discovery of a process for the commercial manufacture of caustic soda from common salt‚ the production of soap has advanced by leaps and bounds until it is now one of the most important of British industries. Definition of Soap.—The word soap (Latin sapo‚ which is cognate with Latin sebum‚ tallow) appears to have
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increase in the proportion of elderly residents can occur and as a result there are less people to support/ look after them in their old age. Less economically active‚ with an increase in importing than exporting thus taxing the economy rather than stimulating it. Increased taxing of the non working age Less human capital available thus the working age increase e.g England 65. 1.) 2.) 3.) 4.)
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According to Article 2 Against :” Banning Plastic Bags”‚ taxes and bans don’t work‚ based on several reasons below. The communities thought that banning and taxing plastic bags would decrease the environmental problems. However‚ they had an opposite effect. After a 2002 tax on grocery bags in Ireland‚ consumers have used 10 percent more plastic bags than they did in Ireland’s pre-tax days. In San Francisco‚ people switch using plastic bags to paper bags was caused by San Francisco’s ban on plastic
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"water‚" and the fifth "baking soda." 3. Using a measuring spoon‚ add 1 teaspoon of baking soda to the cup labeled baking soda. 4. Using the graduated cylinder‚ measure out about 10 mL of distilled water. Pour the water from the cylinder into the cup labeled baking soda and stir until the baking soda dissolves. It may be necessary to adjust the amount of water‚ adding more‚ if needed until the baking soda is completely dissolved. Alternatively‚ if the baking soda dissolves readily‚ the student
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