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Calculate the number of moles of magnesium, chlorine, and oxygen atoms in 6.30 moles of magnesium perchlorate, Mg(ClO4)2.
What is the enthalpy of formation of CO(g) in kJ. 2CO(g) + O2(g) --> 2CO2(g). ?H reaction = -566 kJ ; ?H CO2(g) =-393.5 kJ/mol.
What happens when the following compound is heated with dil. NaOH - Cite an example of intramolecular Aldol Condensation
a mixture with 75% R and 25% S has an optical rotation of -30. what is the optical rotation of pure R?
Calculate the mass percent composition of carbon in each the following carbon compounds. C4H10 C6H10 C8H13O5N
Which of the following statements correctly describes the geometry of the sp3 hybrids for molecules that have SN = 4? a. trigonal planar b. octahedral c. tetrahedral d. linear im pretty sure its c. tetrahedral but i dont know how the "sc=4"part co..
A specimine of steel with a cross section of .25 inch diameter is pulled intension with a force of 9000 lbs resulting in only eleastic deformation.
Two peaks on chromatogram have k1= 3.1 and k2= 4.9. column efficiency is 2000 theoretical plates. Void volume is 1mL. Calculate the resolution between these compounds.
What volume of this gas must be burned to raise the temperature of 5.5 L of water by 5 degrees C? Assume the gas is at 1.0 atm and 298 K and that all three gases are completely oxidized in the combustion.
When molecules that exhibit separation of charges are placed in an electric field, they become oriented positive end to negative end plate and negative end to p
macroscopic model describing what happens when solutions of salt (NaCl) and sugar (c12h22011) are prepared to measure their conductivity. Describe what you would observe before and after you added salt and sugar to water
The atomic radius of K is 227 pm as well as that of K+ is 138 pm. Compute the percent decrease in volume that take place when K(g) is converted to K+(g). The volume of a sphere is 4/3p3, where r is the radius of the sphere.
Mg3N2 reacts with H2O to produce Mg(OH)2 and NH3. Determine the rate of change in the amount of Mg3N2 given the rate of change of Mg(OH)2 is 8.50×10-5 mol/s.
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