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In the reaction given below, for every 12 molecules of aluminum oxide consumed, how many molecules of oxygen are produced? 2Al2CO3 ---> 4 Al + 3 O2
How many grams of O2 are contained in a 25.0 L sample at 5.20 atm and 28.0°C? 2. How many moles of gas are present in a 10.0 liter sample at STP? 3. How many grams are in 10.0 mEq of Ca2+?
suppose that a sample of pure water is saturated with gaseious co2 to form a solution of carbonic acid. which response
Grignard reagents (RMgX) are extremely strong bases and nucleophiles. Comlete the following reactions which demonstrate these two properties.
N2 + 2O2 -----> N2O4 8.03 x 1023 molecules of oxygen react with excess nitrogen. What is the maximum number of grams of dinitrogen tetroxide that can be produced
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 0.034 M NaOH. (c) sodium hydrogen chromate (NaHCrO4)?
Derive the relationship between the total energy and the molecular partition function for indistinguishable particles
Sketch all structural isomers of C4H2 which contain C-rings. Although none of these ring-structure isomers are stable do to extreme "ring strain", which do you expect to show the most "ring strain"? Why?
Copper (II) hydroxide from Copper (II) nitrate. Confirm that an acid base reaction occurred stoichiometrically identify the limiting the reactant and the excess reactant.
The Ksp for bismuth (III) iodide is 8.1 x 10-19. Calculate its solubility, molar solubility, and concentration of each species at equilibrium.
a solution is prepared by dissolving 23.7g of CaCl2 in 375g of water. The density of the resulting solution is 1.05g/mL.
When a solution containing equal moles of hemoglobin and myoglobin is bubbled with a small amount of O2: A. hemoglobin will dissociate into free dimers. B. hemoglobin will dissociate into free monomers.
A 1-rm L flask is filled with 1.45 g of argon at 25 {rm ^circ C}. A sample of ethane vapor is added to the same flask until the total pressure is 1.25 atm. what is the partial pressure of argon in the flask?
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