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When 4.00 moles of lithium react with excess oxygen, the theoretical yield of lithium oxide is 59.764 g. The reaction is performed, and 16.99 grams of lithium oxide are obtained. Calculate the percent yield of this reaction.
a chemist wants to prepare 0.50 m hcl. commercial hcl is 12.4 m. how many milliliters of the commercial acid does the
Acetic acid tends to form Dimers(CH3CO2)2 because of hydrogen bonding. The equilibrium constant (kc) for this reaction is 1.51x10^2 in benzene
a coal-burning power plant generates electrical power at a rate of 500 megawatts that is 500 x 10 to the 6th power pr
A gas mixture with a total pressure of 750mmHg contains each of the following gases at the indicated partial pressures:CO2 , 133mmHg ; Ar,215mmHg and O2,177mmHg
Silver metal crystallizes in a cubic closest packed structure. The face centered cubic unit cell edge is 409 pm. Calculate the density of the silver metal.
Would you expect the packing efficiency of atoms in a crystalline solid be greater or less than that in the liquid form of the same element. Explain
1In a hydrogen fuel cell, hydrogen gas and oxygen gas are combined to form water. Write the balanced chemical equation describing this reaction (using lowest whole-number coefficients).
Write the net redox reaction.
a 2.00 g peanut is burned in a bomb calorimeter containing 1400 g of water. the temperature of the water increases from
Explain the resolution limit of a microscope is roughly equal to the wavelength of light utilized in producing the image. Electron microscopes utilized an electron beam in place of photons to produce much higher resolution images, about 0.16 in mo..
Consider a sample of excited atoms that lie 3.483*10^-19 J above the ground state. Determine the emission wavelength of these atoms.
As an alternative of t-butyl alcohol what other compounds can be used to form1, 4-di-t-butyl-2, 5-dimethoxybenzene
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