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The density of niobium is 8.58g/cm3. It's atomic mass is 92.91 g/mol and its structure is bcc. (a) Calculate the lattice parameter and the atomic radius from this information. (b) What is the planar density of atoms in the (110) plane (and sketch how they are arranged).
What are the main mononitro products of the nitration of the following compounds - Write structural formulas for the compounds
when ethane (C2H6) is burned, how many grams of oxygen are needed to react with 477 grams of ethane?
Draw the structure of propanoic acid (propionic acid) with the approiate hydrogen bonded water molecules -- that is, put in the maximum number of water molecules that could H bond with propionic acid. Remember -- H bonds (hydrogen bonds) are indic..
At a particular temperature, K = 3.75 for the following reaction. SO2(g) + NO2(g) SO3(g) + NO(g)
What law states that mass and energy can be changed from one form to another but their sum remains constant?
what is the minimum rate that fresh air has to be supplied to the room so that the concentration of CO2 in the room doesn't exceed 0.500% by mole? Assume the room is well mixed, and the volume of the solid dry ice does not change. mol air/min
Plot the speed distribution function for a.) Helium, O2,and UF6, at the same temperature, and b.) CO2at 300 K and 1000 K.
Draw the structure of the product likely to be obtained from the reaction between acetoacetic ester, bromobenzen & 2 molor equivalents
If a raindrop weighs 65 mg on average and 5.1 105 raindrops fall on a lawn every minute, what mass (in kg) of rain falls on the lawn in 1.5 h?
The resulting solution has an osmotic pressure of 0.544 atm at 25°C. Assuming that the organic compound is a nonelectrolyte, what is its molar mass?
For the unbalanced equation _Al+_O2=_Al2O3. How many moles are needed to form 2.3 moles of aluminum oxide.
Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [N2]eq = 3.6 M, [O2]eq = 4.1 M, [N2O]eq = 3.3 × 10-18 M.
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