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A steel tank contains 40.0g of helium, 180.0g of oxygen, and 50.0g of nitrogen gas. What is the partial pressure of each gas if the total pressure is 175 kPa?
What will be the final temperature of the water in an insulated container as the result of passing 5.00g of steam [H2O(g)] at 100.0 degreesC into 100.0 g of water at 25.0degreesC
the normal boiling point for a solutionof n-hexane c6h14 m 86.18 gmol and n-octane c8h18 m 114.23 gmol is t 93.7
A sample of gold weighs 1.2 oz. The sample is pounded into a thin rectangular sheet with an area of 400. sq. ft. The density of gold is 19.3 grams per cm3. What is the thickness of the foil in centimeters
Explain a reaction in which A, B, and C react to form products is one-half order in A, zero order in B, and first order in C. Explain what is the overall order of the reaction
what is the minimum number of moles of sodium hydroxide required of this hydrolysis reaction to go to completion and what is the limiting reagent in this experiment?
a piston-cylinder arrangement initially contains water at p 300 psia and t 500of. the piston is moved to a final
An X-ray has a wavelength 1.44A. Calculate the energy in J of one photon of this radiation.
a solution is made by dissolving 7.12 grams of nacl in water and bringing the final volume up to 100.00ml in a
cobalt-60 which undergoes beta decay has a half life of 5.26 years.a. how many beta particles are emitted in 160 s by a
How many grams of dry NH4Cl need to be added to 1.60L of a 0.700M solution of ammonia NH3 to prepare a buffer solution that has a pH of 8.98 Kb for ammonia is 1.8X10^-5 Express your answer (mass of NH4Cl) numerically in grams to three significant ..
A chloride solution, prepared by dissolving 0.2789 g of an unknown sample in 250.00mL as well as taking a 10-mL aliquot of the resulting solution, requires 11.21mL of the same silver nitrate solution to reach the end point. Explain what percentage..
During steel formation, why do the following reactions cause the temperature in the converter to increase?
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