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A particular X-ray microscope can measure the position of a particle to with 1.0X10^-10 m. What is the minimum error in the momentum (mv)?
Saturated Calomel Electrode || Titration Solution | Ag (s) Calomel Electrode: E=0.241V For Ag+ + e- ---> Ag(s), E0 = 0.79993 V. AgI is Ksp = 8.3 × 10-17. What it the volts at equivalence point when Ve=30.00mL
Which of the alkaline earth metal hydroxides, M(OH)2, would you expect to be most soluble in water? Least soluable?
A piece of sodium metal reacts completely with water as follows. 2 Na(s) + 2 H2O(l) 2 NaOH(aq) + H2(g) The hydrogen gas generated is collected over water
If the volume of each unit cell in argon is 85 percent of the xenon unit cell, what is the predicted density of solid argon?
At what temperature will the rate of the reaction triple compared to the rate at 25 degrees C if the activation energy is 56KJ/mole? ln(k1/k2) = -(Ea/R) [(1/T1)-(1/T2) R= 8.315 x 10 ^ -3 Kj/mol-K
Write the net ionic equations for the reactions.
What is the pH of a buffer prepared by adding 0.708mol of the weak acid HA to 0.609mol of NaA in 2.00 L of solution? The dissociation constant Ka of HA is 5.66×10?7.
Acetylene, C2H2, will burn in the presence of oxygen. 2C2H2(g)+ 5O2(g) -> 4CO2(g)+ 2H2O(g) how many grams of water can be produced by the reaction of 2.40 mol of C2H2 with 7.4 mol of O2?
How many moles of I2 were used in the titration? How many moles of SO2 were in the 5.00 mL sample of wine? Determine the mass of SO2 (in mg) in the 5.00 mL sample of wine. Determine the concentration of SO2 (in mg/L) in the wine.
What is the pH of a solution prepared by mixing 25mL of .10M CH3CO2H with 25 mL of .010M CH3CO2Na? Assume that the volume of the solutions are additive and that Ka= 1.8 x 10-5 for CH3CO2H.
When adding ethylene glycol to your cooling system, it is usually mixed 50:50 by volume. This will prepare a 52.7 mass % solution. Convert this concentration to molality and predict the freezing point depression
What would be the product if D2O were added to a Grignard reagent such as phenylmagnesium bromide? Is this type of product in Grignard
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