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considering the given equation as 2Fe2O3(s) + 3C(s) → 4Fe(s) + 3CO2(g) and compute w when 181 grams of iron (III) oxide (MM = 159.7 g/mol) combines with excess carbon(C)) to produce carbon dioxide(CO2) gas at 359 K: express your answer in kilo joules
how many grams of solid NaOCl must be added to 50 mL of .14 molar HOCl to obtain a buffer solution with a pH of 7.49.
If you start with 0.048 M I2 at this temperature, how much will remain after 5.29 s assuming that the iodine atoms do not recombine to form I2 _ M
Draw the structure of an alkane or cycloalkane that has five carbon atoms and only secondary hydrogen atoms.
Complete the following reactions and state the dominant mechanism where indicated: (1S,2S)-1-bromo-1,2-diphenylpropane + NaOCH3 Methanol
for each formula unit of sodium decahydrate: Na2SO4 * 10H2O, a) how many atoms of each kind are present? B) how many water molecules would be liberated for every molecule of the hydrate that is decomposed by heating?
If you have 375 molecules in a 10^-4 dilution, how many molecules were in the original solution
calorimetry is used to find ?h for the reaction ba2aq so42-aq rarr baso4s. when 1.00 l of 1.00 m bano32 is mixed with
What volume of gas, measured at 690 torr and 40 degrees celcius, is required to form 29g of NaCl?
The normal boiling point of methane is -161.5 C. The specific heats of liquid and gaseous methane are 3.48 and 2.22 J/g.K, respectively. What is the final temperature of methane once the system equilibriates?
The solution has a density of 1.182 g/ml. What are the molality, molarity and mole fraction of HNO3 in this solution?
what is the molar solubility of hg2c2o4 ksp 1.75x10-13 in 0.34m
Determine the wavelength, of an alpha particle with a(KE) kinetic energy of 8.0 10-13 Joules
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