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A sample of 88.0 g CO2 is held at 291 K in a 50.0 L container. What is the pressure this gas exerts on the container. Express your answer in kPa. Enter only a numerical value
calculate the standard emf of a cell that uses the mgmg2 and cucu2 half-cell reactions at 25 degrees celsius. write the
Show the mutarotation of beta-D-glucopyranose to the alpha-D-glucopyranose. Show the open chain intermediate.
the half-life for the reaction at 550c is 81.3 seconds. how long does it take for 89 of phosphine sample to
What volume of 0.200M Iron(II)sulfate solution would be required to react with 20.0mml of 0.250M potassium permangante(in sulfuric acid solution)?
A pressure of 0.600 atm of nitrosyl chloride is sealed in a flask and allowed to reach equilibrium. If 27.0% of the NOCl decomposes, what is the equilibrium constant for the reaction?
If you have a 750 ml flask that contains 1.235g of C5 H11 NO3 that is heated to 118.5 degrees C what is the pressure inside the flask
Calculate the mass of TRIS to use when it is mixed with 100 mL of 0.50 M HCl to prepare 1.00 L of buffer of pH=7.40. Also calculate the total concentration of the buffer.
The decomposition of N2O5 (g) to NO2 (g) and O2 (g) obeys first-order kinetics where k = 3.4 x 10-5 s-1 at 25 C, what is the initial rate of reaction
Substituents on an aromatic ring can have several effects on electrophilic aromatic substitution reactions. Substituents can activate or deactivate the ring to substitution
a lead fishing weight with a mass of 41 g absorbs 146 cal of heat. if its initial temperature is 54degc what is its
Calculate the theoretical yield of C2H5Cl when 123g of C2H6 reacts with 213g of Cl2 , assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl.
compressed reversibly and adiabatically until the temperature reaches 250K. Given that its molar constant-volume heat capacity is 27.5J/Kmol, calculate final pressure and final volume.
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