What is non-polar solvent can dissolve a non-polar solute, and Vice Versa ?
100
For any spontaneous process, the entropy of the universe increases
What is the second law of thermodynamics ?
100
At equilibrium Q is equivalent to?
What is Keq ?
100
Is the product of the Haber Process
What is Ammonia?
200
A material that donates proton during reaction
What is a Bronsted-Lowry Acid ?
200
CCL4 is more soluble in a solution of H2O or C10H22 and porque?
What is C10H22 ? Because non-polars dissolve non-polars
200
For a certain reaction Delta H is 131.3 kJ/mol and Delta S is 127.6 J/K*mol at 298K. At temperatures greater than what(in celsius) is this reaction spontaneous under standard conditions
What is 756 degrees celsius?
200
When looking at second order reactions, graphing [what] vs. [what] presents a linear graph
What is 1/x vs. t ?
200
Having 15mg of benzene in a 1.0L solution is equivalent to how many ppm?
What is 15ppm ?
300
Calculate the pH of a .100 M aqueous solution of NH3.
[Kb of NH3= 1.77*10^-5]
What is 11.12 ?
300
The concentration of iodide ions in a saturated solution of lead (II) iodide is what?
[The solubility product constant of PbI2 is 1.4*10^-8]
What is 3.0*10^-3 ?
300
What value ranges of Delta G, Keq, Delta H, and Delta S show that a reaction is spontaneous
What is Delta G<0, Keq>1, Delta H<0, Delta S>0
300
A second order reaction has a half-life of 18s when the initial concentration of the reactant is .71M. The rate constant for this reaction is what? (use correct units)
What is 7.8*10^-2 or .078 M^-1*s^-1
300
Filtration through sand and treatment with chlorine are two steps in what process?
What is municipal water treatment
400
The ph of a solution prepared by mixing 40mL of .125M Mg(OH)2 and 150.0mL of .125M HCL
What is 1.34?
400
What is the molar solubility of silver sulfate( Ag2SO4) in water? [The solubility- product constant for Ag2SO4 is 1.5*10^-5
What is 1.6*10^-2 ?
400
The value of Delta G for a reaction conducted at 25 degrees celsuis is 3.05kJ/mol. The equilibrium constant for a reaction is [what] at this temperature?
What is .292 ?
400
The half-life of a first order reaction is 13 min. If the initial concentration of reactant is .085M, it takes how many minutes to decrease to .055M?
What is 8.2 minutes?
400
The correct order [going from strongest to weakest] of the intermolecular forces is..?
What is Hydrogen Bonding, Ion-Dipole interactions, Dipole-Dipole Interactions, London Dispersion
500
pH of a solution that is .295M in Sodium Formate(NaHCO2) and .205M in formic acid (HCO2H) is what?
[Ka of formic acid = 1.77*10^-4
What is 3.910 ?
500
A solution of NaF is added dropwise to a solution that is .0144M in Ba2+. When the concentration of F- exceeds what value, will BaF2 begin to precipitate?
[Ksp= 1.7*10^-6]
What is 1.1*10^-2 ?
500
Consider the given reaction and thermodynamic data(ask saamy for it):
Determine the temperature(in degrees Celsius) above which the reaction is nonspontaneous under standard conditions
What is 1640 degrees celsius ?
500
In an experiment, .42 mols of CO and .42 mols of H2 were placed in a 1.00 L reaction vessel. At equilibrium, there were .29 mol of CO remaining. What is the Keq of the experiment?
What is 17.5 ?
500
What is the wavelength of a photon with just enough energy to break a CN bond?
[bond energy of CN bond= 891 kJ/mol]
[Planks Constant = 6.626e-34]
[Speed of light= 3.0E8]
[# of testicles matt has= 1]