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Calculate Kf for [Cd(NH3)4]+2 from the following data: A mixture of 10.0 mL of 0.120 M Cd(NO3)2 with 40.0 mL of 0.600 M NH3 produces a permanent precipitate of CdC2O4 (Ksp= 9.0 x 10-8 ) after the addition of 8.90 mL of 1.25 M Na2C2O4
there are many types of covalent bonds with varying polarities and there are also multiple covalent bonds double
If 1.00kg of CH4 and 1.00kg of h2o are reacted at 945C and 12.0atm, how many liters of hydrogen gas are produced under these conditions? How do you solve this
Calculate the pH of 0.100 L of a buffer solution that is 0.25 M in HF and 0.50 in NaF. What is the change in pH on addition of the following? a) 0.002 mol of HNO3 b) 0.004 mol of KOH
Titration of an oxalate sample gave the following percentages of percent oxalate: 12.28%, 12.54%, and 12.24%. Calculate the average and the standard deviation.
What is the difference (in pH units) between the initial pH of a 0.20 M NH3 / 0.20 M NH4Cl buffer to the pH of the buffer after the addition of 10.0 mL of 0.10 M HCl to 65.0 mL of the buffer
A mass of mercury occupies .750L. What volume would an equal mass of ethanol occupy if mercury's density is 13.546 g/mL and the density of ethanol is .789 g/mL?
During studies of the reaction below, 2 N2H4(l) + N2O4(l) ? 3 N2(g) + 4 H2O(g) a chemical engineer measured a less-than-expected yield of N2 and discovered that the following side reaction occurs
use plancks constant h 6.6260755 x 10-34 j-s to determine the energy or frequency for electromagnetic waves e h.
Gold has a face-centered cubic arrangement with a unit cell edge length of 4.08 . How many moles of gold fit in a sheet with a length of 72.3 , a width of 26.9 , and a thickness of 12.2
the distance between layers in a crystal is 393 pm. x rays are diffracted from these layers at an angle of 39.4deg what
Outline a complet mechanistic sequence for the reaction of 2-bromoheptane with potassium 2-methyl-2-propoxide in 2-methyly-2-propanol solvent to form the three alkenes generated in the reaction
at a pressure of 1.00 atm and a temperature of 20ordmc 1.72 g co2 will dissolve in 1 l of water. how much co2 will
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