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A saturated solution of nickel(II) sulfide contains approximately 3.6 multiplied by 10-4 g of dissolved NiS per liter at 20°C. Calculate the solubility product Ksp for NiS at 20°C.
Hydrogen iodide decomposes according to the equation: 2HI(g) H2(g) + I2(g) Kc = 0.0156 at 400°C. A 0.57 mol sample of HI was injected into a 2.0 L reaction vessel held at 400°C. Calculate the concentration of HI at equilibrium.
Solution boiled to remove CO2 and then the excess HClO4 back titrated with 13mL of dilute NaOH. In a seperate experiment 18.44 mL of HClO4 neutralized NaOH in a 16.0 mL portion. Calculate molarities of HClO4 and NaOH
What would the bonding geometry at each nitrogen atom be for the following: NOCl, NO2Cl, and NO3Cl the options are trigonal planar, linear, tetrahedral, and bent
Predict the products likely to be formed via the anti- addition of Br2/acetic acid to trans- cinnamic acid. • What is the predicted m.p. of the brominated product(s) you prepare via this method
How do the values of delta G compare to those calculated from delta H and delta S? which of these two methods could be used to determine how delta G changes with temp?
Photosynthesis is estimated to produce 330.0 g (dry weight) of plant matter per square meter, 50% of which is carbon. Calculate the total number of grams of carbon "fixed" each year by 1000 square meters.
Consider a carbon atom in its ground state. Would such an atom offer a satisfactory model for the carbon of methane? If not, why not
Silver metal crystallizes in a face-centered cubic lattice whose unit cell has sides 409 pm long. Use this info and the atomic weight to calculate the density of silver
If the mass of NaCl is 11.69 g. What would be the number of moles of all solutes (including cations and anions)
Explain why light intensity is dependent on the distance the detector is from the light source. Describe the mathematical relationship. Explain why all comparative measurments for this experiment should be made with the optical cable the same dist..
calculate the concentrations of all species in a 0.690 m na2so3 sodium sulfite solution. the ionization constants for
the solid fuel in the booster stage of the space shuttle is a combination of nh4clo4 and aluminum powder. the reaction
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