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How do you determine the bond order, bond length, and bond energy of a C-O bond in the carbonate ion
An oxide of phosphorus contains 56.4% oxygen and has a molar mass of 284 g/mol. What is the molecular formula for this compound?
Balance the following equation in acidic solution using the lowest possible integers and give the coefficient of water.
A sample of gas weighs 3.718g and has a volume of 1.4L at .845 torr and 26.0 C. What is its molar mass?
What is the wavenumber in cm-1 for the HOMO to LUMO transition predicted by PM3, What value of ? can you infer, that would bring the HMO method into agreement with the more advanced Extended Huckel method?
we place an excess ( more than can dissolve) of PbCl2 into 100 ml. of water and find that at equilibrium [Cl]=0.032 M . Calculate kc for the following reaction : PbCl2 = Pb+2Cl
A 20.0 ml sample of 0.200 M Hbr solution is titrated with 0.200M of NaOH solution. Calculate the pH after 16 ml of NaOH has been added.
How many moles of excess base are present? How many additional mL of 0.100 M HCl would be required to neutralize the solution?
During a titration, a student used 31.92 ml of a .1000 M NaOH (aq) to neutralize 30.0 ml of a . 2488 M oxalic acid solution. a. Write the balanced equation for the neutralization reaction ( you need the formula of oxalic acid)!
An aerosol can has a gas pressure of 133 kPa at 293 K. Calculate the pressure when the can is heated to 460 K.
The flourocarbon compound C2Cl3F3 has a normal oiling point of 47.6 degrees C. The specific heat of C2Cl3F3(liquid) and C2Cl3F3(gas) are 0.91 J/gK and 0.67J/gK respectively. The heat of vaporization for he compound is 27.49 kJ/mol.
Lindane is a popular pesticide throughout the south because it is a persistent chemical (i.e. it remains in the environment and offers protection for a long period of time)
How many kilograms of CO2 are produced by the complete combustion of 1.00kg of this natural gas?
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