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Question- Calculate the pH of a buffer made by dissolving 0.20 mole sodium cyanate and 1.0 mole cyanic acid in water to make 1.0 L of solution. Ka of cyanic acid = 2.0 x 10-4
Using textbook reference solve the reactions given in above problem
The calculated boiling point of water in Breckenridge is 363K. What pressure would have to applied to steam at 391°C to condense the steam to liquid water
predict the hydration product of limonene if two molecules of water are added to a limonene molecule. 2. draw the expanded structure of D-limonene and circle the two isoprene units in limonene.
A buffer is prepared by mixing 615 mL of 0.50 M formic acid, HCHO2, and 385 mL of 0.50 M sodium formate, NaCHO2. Calculate the pH.
Calculate the volume of 0.540 M sodium hydroxide solution contains 11.5 grams of sodium hydroxide?
acids how many have (i) more than one chiral center, (ii) an acidic side-chain, (iii) a sulfur atom in the side-chain?
hydrogen and oxygen gas combine explosively to produce water. write a balanced chemical equation for this process. if
Not all Friedel-Crafts reacts require a strong Lewis acid catalysts to generate the electrophile for the substitution reaction. Show, using curved arrows, how the electrophile is generated from t-butanol in the presence of H2SO4
The molar mass for NaCl and water are 58.443 g/mol and 18.015 g/mol, respectively. Calculate the partial molar volumes for NaCl and water in a 0.35m solution
Explain how chymotrypsin combine different modes of catalysis( acid/base and covalent chemistry; proximity effects and transition state binding/stabalization) to acheive the rate enhancement observed for enzyme catalyzed reactions.
calculate the minimum concentration of cr3 that must be added to 0.095 m naf in order to initiate a precipitate of
The half-life of a certain radioactive element is 1,250 years. What percent of the atoms remain after 7,500 years?
question 1 on a potential energy diagram what is true about activation energy?activation energy is the same for both
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