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You have a 4 L bottle of sulfuric acid solution. You take 50.0 mL of this H2SO4(aq) solution and titrate it to the endpoint with a 0.10 M NaOH solution. If the volume of NaOH solution needed is 60.0 mL, the concentration of the sulfuric acid (H2SO4) solution is
For the equilibrium H2+CO2-> Kc= 3.18 at 1106K. If each of the 4 species was initially present at a concentration of 3.000M.
an aluminum rod at 55.0 degrees celsius is put into 399 grams of water at an initial temperature of 20.0 degrees celsius. If the final temperature of water and rod are 30.0 degrees celsius, what was the mass of the aluminum rod?
In a perfect system when warm water is added to cold water, all of the heat energy released would be absorbed by the cold water.
Calculate the molecular weight of the unknown acid.
A major source of sodium metal is produced as a result of electrolysis of molten sodium chloride. What magnitude of current is required to produce 1.0 kg of sodium metal in one hour
what is the partial pressure of helium? If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of argon?
An injection containing 10.0pg 10 5 B was injected into a patient suffering from a brain tumor. The patient was irradiated by a neutron gun at the site of the tumor.
How much energy in joules is required to heat 295 mL of coffee from 25.0 0C to 62.0 0C? Assume that the coffee has the same density, 0.997 g/mL, and specific heat capacity, 4.184 rm J/(gc. K) .
If 5.00 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
with this balanced equation of copper carbonate calculate the concentration of copper in solution
Calculate the mass of water formed by the complete reaction of 758 g of propane (C3H8) with excess oxygen
what wind flow rate entering the canyon would produce a pollutant concentration greater than 0.0025 gmol/ft^3 in the air coming out of the canyon?
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