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Would increasing the volume of the equilibrium mixture of each of the following reactions cause the equilibrium to shift and if so will the shift be toward products or reactants? a)2NH3(g)<>3H2(g)+N2(g). b)N2(g)+O2(g)<>2NO(g). c)2NO2(g)<>N2(g)+2O2(g). d)4NH3(g)+3O2(g)<>2N2(g)+6H2O(g)
A buffer solution of pH 5.3 is to be prepared from propionic acid and sodium propionate. The concentration of sodium propionate must be 0.50 M. What should the concentration of propionic acid be? Ka = 1.3 X 10-5
A compound contains 69.94 percent iron and 30.06 percent oxygen. What is its molecular formula if the molar mass of the compound is 199.55 grams per mole?
A reaction has a rate constant of 7.69 M^-1s^-1 at 219 K and a rate constant of 3.36 *10^4 M^-1s^-1 at 344K. what is the activation energy for this reaction
Nitrogen reacts with a metal to form a compound in which there are three atoms of the metal for each atom of nitrogen. If 1.486 g of the metal reacts with 1.000 g of nitrogen
How many L of H2 gas (at STP) is produced from 470 mL of 0.36 M HCl and excess Zn? The reaction is: Zn + 2HCl = ZnCl2 + H2
The accompanying drawing shows 4 water molecules interacting with glycine. Four dotted lines are labeled with numbers 1 through 4. As labeled by these numbers, which of the dotted lines could represent hydrogen bonds?
Imagine that a chemist has cyclohexanone, triphenylphosphine, butyllithium, and 2-bromobutane. Draw the organic product resulting
Experiments show that the molecular weight of acetic acid in the vapor state (just above its boiling point) is approximately 120. Explain the discrepancy
What volume of oxygen can be collected at 20 oC and 730 torr from the complete reaction of 100 g of KClO3, according to the chemical equation shown below?
Vanadium crystallizes in a body centered cubic lattice (the V atoms occupy only the lattice points). How many V atoms are present in a unit cell?
For each species listed, indicate the hybrid orbital set (sp2, sp3d, etc) employed by the central atom
upon evaluating the contents of a solution, declared that it was a 32 molar solution of ethanol in water. Why is this incorrect?
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