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Carbon disulfide normally boils at 46.5 degrees celsius. when the temperature is lowered to 28.0 degrees celcius, its vapor becomes 400 mmHG. what will be the vapor pressure if the temperature is lowered some more to 18 degrees celcius
if 100 mL of 0.800 M Na2SO4 is added to 200 mL of 1.20 M NaCl, what is the concentration of Na ions in the final solution?
Calculate the number of moles of sodium bicarbonate orginally present in the unknown mixture, knowing that 20.0ml of 0.100M HCL were used in the step 2 of titration, using methyl orange as an indicator.
22.4 liters of a gas weighs 70g at S.T.P. Calculate the weight of the gas if it occupies a volume of 20 liters at 27C and 700mm Hg of pressure
What would be the wavelength of a photon that would be able to break the Cl-Cl bond in Cl2. The bond energy in Cl2 is 243 kJ/mol.
if a total of 702 mol of nahco3 and 2.4 mol of c6h8o7 react how many moles of co2 and na3c6h5o7 will be
What is the electronic geometry of the oxygen atom, O3 ? Answer a. tetrahedral b. triangular planar c. linear d. T-shaped e. angular
a solution of 75 ml of 0.2 m nh3 is titrated with 50 ml of 0.5 m hno3. what is the ph of the resulting solution when 17
The average concentration of strontium ion in seawater is 8.00 mg of strontium ion per kg of seawater. What is the molarity of the strontium ion if the density of the seawater is 1.025 g/mL.
what is the concentration of nh3 in a solution if 20.0 ml of a 0.1145 m solution of hydrochloric acid are required to
Methanol (CH3OH), which is used as a cooking fuel, undergoes combustion to produce carbon dioxide and water
At a temperature of 395*C and a pressure of 705 mmHg, how many grams of NH3 can be produced when 3.80 L of NO2 react?
compare the ph values in the dilution experiment for the strong acidhcl and the weak acidacetic acid. do the ph values
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