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A tank of pressurized helium is used to inflate balloons at a circus. The tank contains 3.87 L of helium at a pressure of 1294.7 kPa. If the volume of a balloon is 2.2 L, how many balloons can be completely filled on a day where the atmospheric pressure is 91.8 kPa?
If a system is compressed by 10.0dm3 by an external pressure of 2.00atm while releasing .500kJ of heat. Define what is delta E
Explain qualitatively how the results of the experiment would differ when potassium tert-butoxide is used as the base instead of potassium hydroxide. A correct answer will identify how the result(s) would differ, and explain mechanistically why th..
A person's blood alcohol (C2H5OH) level can be determined by titrating a sample of blood plasma with a potassium dichromate solution. The balanced equation is
A student weighed 0.4521 g of sodium oxalate and dissolved in 50 mL of distilled water and 10 mL of 4.0M H2SO4. The solution was titrated with 58 mL of KMnO4, what was the concentration of KMnO4.
In the Haber process, ammonia is synthesized from N2 and H2: N2 (g) + 3 H2 (g) ? 2 NH3 (g) DGº at 298 K for this reaction is -33.3 kJ/mol. The value of DG at 298 K for a reaction mixture that consists of 1.9 atm N2, 1.6 atm H2 and 0.65 atm NH3 is ..
A second order reaction is found to have an activation energy of 20 kj/mol at 298K. At what temperature would this reaction need to occur at to proceed twice as fast
Which statement is correct about transition metals? A. They have incompletely filled d subshells. B. They form paramagnetic compounds. C. They form ions with incompletely filled d subshells. D. They have catalytic activity. E. All of the answers a..
Derive the appropriate expression of the internal pressure piT for the berthelot gas. Should the internal pressure piT of the berthelot gas be greater than equal to or less than zero? Explain your choice(s)
A 26-meter-tall statue of Buddha in Tibet is covered with 279 kg of gold. If the gold was applied to a thickness of 0.0015 mm, what surface area is covered (in square meters)? (Gold density = 19.3 g/cm3)
write a net ionic equation for the reaction between aqueous solutions of perchloric acid and rubidium
Which of the following assumptions of the kinetic molecular theory of gases is not valid for real gases at high pressure. A) The volume of the gas particles is much smaller than the distance between the gas particles.
An incinerator operator receives the subsequent shipments of waste for incineration. Explain what volume of methanol (CH3OH) must be operator mix to achieve 30% by mass of chlorine in the feed. Presume the density of methanol is 0.7913 g/ml
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