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bAn element crystallizes in a body-centered cubic lattice. The edge of the unit cell is 3.27Å , and the density of the crystal is 6.42g/cm3 .Calculate the atomic weight of the element.
Put 1.2 ml of Fe(II) into flask add 20 ml water to it add 1 ml of 9M h2So4, 2drops MnSO4 and 1 drop of 3 M h3PO4 to the flask. Fill the microburet with 0.02M KMnO4. Add the KMnO4 solution from the microburet untill endpoint is reached.
determine the equilibrium concentrations.at a particular temperature k1.00 x 102nbspfo rthe reaction.h2g f2g
Define the Joule-Thomson coefficient µ,derive an explicit form of JT coefficient and evaluate its value for an ideal gas.
what are the atomic orbitals used in the double part of the double bond if the c-c axis of the given molecule is the y
When a mixture of 10.0 g of C2H2 and 10.0 g of O2 is ignited, the resultant combustion reacion produces CO2 and H2O. How many grams of C2H2, O2, CO2
When distilling a pure compound, the boiling temperature remains constant although you are heating the flask. Why?
Compute the standard change in Gibbs free energy for the subsequent reaction at 25 degrees Celsius.
What is the enthalpy of this reaction. Assume that no heat is lost to the surroundings or to the coffee cup itself and that the specific heat of the solution is the same as that of pure water.
The best design for rockets is one in which both fuel materials run out at the same time to minimize excess mass. If the total mass of both components in a decaborane/oxygen rocket must be 3.011E+6g, what mass of liquid oxygen should be used
Hydrogen phosphate buffer, Buffer solutions have the unique ability to resist changes in PH when an acid or base is added to them. One important buffer system that helps to maintain blood pH at a constant value of 7.4 is the hydrogen phosphate buf..
What mass (in grams) of glucose C6H12O6, must be dissolved in 0.1457 kg of water to prepare a solution with a concentration of 3.854 x10^4 ppm
What is the total anion concentration (in mEq/L) of a solution that contains 6.0 mEq/L Na+, 13.0 mEq/L Ca+
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