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Ascorbic acid (vitamin C,C6H8O6) is a diprotic acid (ka1=8 x 10-5 and Ka2 = 1.6 x 10-12). Explain what is the pH of a 0.210 M solution of ascorbic acid?
calculate the expected change in temperature for 4.5 g of nh4no3 dissolved in 100.0 ml of h2o.assume that the
The compounds listed above were heated in ethanol and sodium hydroxide for approximately 60 minutes. Then extracted with dichloromethane to get the final product.
assume water upwelling to the surface the equation is ch230ch2o76nh317h3po4 nbsphas a total carbon concentration 2300
The flask from part (a) is heated to 900 K, and when the system has comt to equilibrium, the total pressure in the flask reaches 1.814. Find the value of the equilbrium constant for the above reaction at 900 K
A strip of tin(Sn) is placed in an AgNO3 solution. Forecast whether or not a spontaneous oxidation-reduction reaction should occur. State a chemical equation to describe the net reaction.
Calculate the mass of CuS produced and the concentration of H+ ion produced by bubbling H2S into 1.00 L of 0.10 M CuCl(aq) solution.
Draw all steps in a synthesis that would transform 2-propanol into A, 2, 4-dimethyl-3-pentanol. B, 1-chloro-3-methyl butane
If the pressure is increased to 120 bar, the melting temperature increases to 375.88 K. Calculate DeltaHo fusion and Delta So fusion for this substance
The Haber-Bosch process is a very important industrial process. In the Haber-Bosch process, hydrogen gas reacts with nitrogen gas to produce ammonia according to the equation 3H2+N2=2NH3
How many milliliters of 0.100 M NaOH(aq) would be needed to completely neutralize 50.0 milliliters of 0.300 M HCl(aq)
Potassium hydroxide is sometimes utilized as a drying agent. Explain why would that be inappropriate for drying an alkyl bromide
when a salt like magnesiumnitrate is dissolved in water it dissociates. if six moles of magnesium nitrate are dissolvd
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