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a solution of naci and water has a molality of 40m predict the mass of a sample of this solution which contains 1000
2 from your results in part a calculate the time for the blue color to appear for this system if 15 ml ki 15 ml kcl
calculate the mass of nitrogen dissolved at room temperature in an 800 l home aquarium assume a total pressure of 10
mercury is a toxic heavy metal which is liquid at room temperature to form hgbr2 mercuryii bromide a student reacts
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show that cosix e-xex2 and isinix e-x-ex2 this is expressions are called the hyperbolic cosine and hyperbolic sine
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calculate the molarity of fescb2 for solutions 1-5 absorbance 1077 2 0100 30181 40297 and 5
which absorption band present in the acetaminophen spectrum but absent in the p-aminophenol spectrum indicates that
a solution of acetic acid is prepared in water by adding 111 g of sodium acetate to a volumetric flask and bringing the
the complete conversion of 2-phenylacetic acid to ethyl-2-phenylacetate in this experiment is the result ofa ethanol
esters can be hydrolyzed when heated with water and strong acids or bases- the reverse of fischer esterification
an important characteristic in the mechanism of this reaction is the formation of a tetrahedral intermediate which is
in this experiement a which group in the acyl compound is being substituted and b what is the substituting groupa a the
how many grams of ethylene glycol automobile antifreezec2h6o2 dissolved in 315kg of water is needed to lower the
the equilibrium of fischer esterification reactions in general is slightly towards product formation the equilibrium
give a mechanism for the depolymerization of diacetone alcohol via basic catalysis that is supported by the values of
calculate the change in entropy that occurs when 18g of ice at -10c is placed in 54g water at 100c in a perfectly
a solution is prepared by dissolving 195 g of sucrose c12h22o11 in 624 g of water what is the vapor pressure of this
the ph of a solution of a weak acid is found to be 4625 if 10000 ml of this solution is titrated with 73990 ml of
which of the following correctly correctly represents hydrogen bonding between methanol and water and whyh1 ch3-o---h-o
a geothermal system is initially more expensive to set up than a conventional heating and cooling system but the annual
lactose c12h22o11 is a naturally occurring sugar found in mammalian milk a 0335 m solution of lactose in water has a
calculate the mass of unknown solid required to prepare 100 ml of a solution that is 100 ppm in ca by assuming that the