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A sample of oxygen gas (O2) is collected over water (H2O) at 25 0C temperature and a total pressure of 654 torr. The volume of the gas collected =500 ml then determine the mass of O2 is collected? The vapor pressure of H2O at 25 degree Celsius =23.8 torr
explain the reactions.1.a explain the results in which 1.0m naoh was added to benzoic acid soluble or not. write the
Determine all of the term symbols for the following free atoms. Choose the ground state term in each case B N Mg V As Lu
The legendary racehorse Secretariat won the 1973 Kentucky Derby with a time of 1 min 59.4 sec.The course is 1.25 mi long. Calculate the horse's average speed in mi hr -1.
In the formation of diacetylferrocene, the product is always the one in which each ring is monoacetylated. Why is no diacetylferrocene produced in which both acetyl groups are on the same aromatic ring?
The Kp for the reaction is 4.3X10^-4 at 648K. Determine the equilibrium partial pressure of NH3 in a reaction vessel that initially contained 0.900atm N2 and 0.500 atm H2 at 648K
How might your description of the flame color for NaCl change if your wire containing the salt slurry was contaminated with CuCl2
describe the difference between what the retina does and what the striate cortex does?
What is the de Broglie wavelength of a flea midway through its jump? Assume the mass of the flea is4.50×10-4 g and t is moving at 1.00 m/s.
You already have a solution that contains 10 (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this solution? The pKa of acetic acid is 4.74.
At a certain temperature, the Kp for the decomposition of H2S is 0.726 H2S = H2+S initally only H2S is present at a pressure of 0.126 atm in a closed container.
How many moles of N2O3 are needed so that you have 2.55 x 1024 oxygen atoms.
How much energy is required to vaprorize 150 ml of c6h6 at 25 c? the density of c6h6 is 0.87 g/ml and the enthalpy of vaporization is 30.8 kj/mol
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