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Calculate the amount of heat required to completely sublime 45.0 g of solid dry ice (CO2)at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kJ/mol.
Find the ph buffer that consists of 1.3 M sodium phenolate (C6,H5,O,Na) and 1.2 M phenol (C6,H5,OH) (pKa of phenol =10.00)
The structure of the compound K2O is best described as a cubic closest packed array of oxide ions with the potassium ions in tetrahedral holes. What percent of the tetrahedral holes are occupied in this solid
if CO2 gas is collected over water at 25 degrees C and 775torr, what is the partial pressure of the CO2? The vapor pressure of water at 25degrees C is 23.8torr.
Using the equation below assume we want to use 2.3 g of Fe(no3)3 in our experiment. how much NaOH will be needed for a complete reaction?
The following data were obtained for the determination of iron in serum by a spectrophotometeic method. Assuming the validity of Beer's Law for the experiment calcualte the concentration of iron in serum
Given that the initial rate constant is 0.0170s^-1 at an initial temperature of 27 C , what would the rate constant be at a temperature of 110 C for the same reaction described in Part A
Determine the molar specific entropy of formation sj‾ for (a) CO, (b) CO2, and (c) H2O.- Determine the molar specific entropy of formation sj‾ for (a) methane (CH4), (b) acetylene (C2H2), and (c) propane (C3H6).
the differences between the two. In the experiment 1,3-dichlorobutane had a much higher percentage (46.6%) from the total products than 1,2-dichlorobutane did (23.5%).
a sample of water of 27.0 grams at the temperature of 290. kelvin is combined with 49.0 grams of water at 32 degree
Nitroglycerine decomposes violently according to the unbalanced chemical equation below. How many total moles of gases are produced from the decomposition of 1.00 mol C3H5(NO3)3?
The molar volume of the liquid at this temperature and pressure is 163.3 cm^3/mol. At 100 atm the melting temp changes to 351.26 K. Calculate the enthalpy and entropy of fusion of the solid.
task 1a draw a kekulediagram for benzene. why is this representation of benzene not considered to be as good as
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