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a compoud is known to contain only carbon, hydrogen and oxygen. If the complete combustion of a .150 g sample of this compoud produces .225 g of CO_22_ and .0614 g of H_2_O what is the empirical formula of this compound?
If the methane contained in 4.00 L of a saturated solution at 25 C was extracted and placed under STP conditions, what volume would it occupy?
Two substances, A and B, initially at different temperatures, come into contact and reach thermal equilibrium. The mass of substance A is 6.34g and its initial temperature is 21.0?C.
provide the correct molecular geometry by its English name and by drawing the proper stucture. Use a three dimensional drawing.
Write out the reaction mechanism for the side reaction of acetic anhydride with 85% phosphoric acid to make two
Arrange the following elements in order of increasing ionization energy, and explain how you know the order
Why do heavier atoms have a larger translational partition function than lighter atoms at the same temperature?
if the activation energy is 151 kJ/mo, calculate the temperature at which its rate constant is 7.45 x 10^-4 s^-1
Draw structures corresponding to each of the given names. Draw: 2-fluoro-3-methylpentane, 3-cyclobutylpentane
how many liters of H2 would be formed at 628 mm Hg and 14 degrees celcius if 22.5g of zinc was allowed to react
Which element requires the least amount of energy to remove the most loosely held electron from a gaseous atom in the ground state?
How much PV work is done and what is the value of total energy change (in kilojoules) for the reaction of 0.50 mol of H2 with 0.25 mol of O2 at atmospheric pressure if the volume change is -5.6L?
A sample of nitrogen has a volume of 630 mL at a temperature of 49 degC. Assuming that the pressure is constant, what will be the volume when the temperature is 348.6 degC.
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