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An atmospheric chemist fills a gas-reaction container with gaseous dinitrogen pentaoxide to a pressure of 110. kPa and the gas decomposes to nitrogen dioxide and oxygen. Explain what is the partial pressure of nitrogen dioxide, PNO2, (in kPa) when the total pressure is 173 kPa?
Calculate the pH at the equivalence point for the titration of 0.200 M methylamine (CH3NH2) with 0.200 M HCl.
Many home barbeques are fueled with propane gas C3H8 What mass of carbon dioxide (in kg}) is produced upon the complete combustion of 18.9 { L} of propane (approximate contents of one 5-gallon tank)
If [a = 2.84 (+/-) 0.02], [b = 5.02 (+/-) 0.04], [c = 21.71 (+/-) 0.06], and [d = 9.49 (+/-) 0.04], calculate the absolute uncertainty in y if y = (a+b)/(c-d).
If 18.4 mL of 0.800 M~rm HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?
The heat capacity of the coffee cup (without the water) is 9.2 J/K. If the final temperature of the system is 31.1°C, what is the specific heat capacity of the alloy? (c of water is 4.184 J/g×K)
Provide a synthesis of butane-2,3-diol from 1 or 2 carbon alkanes. Use any reagents. Show the steps and the products formed for each step.
Cyclopentdienone undergoes diels-alder reaction with itself. What is the structure of this addition product
Treatment of 1.385 g of an unknown metal M with an excess of aqueous HCl evolved a gas that was found to have a volume of 382.6 mL at 20.0 degrees C and 755 mmHg pressure
An excess of aqueous AgNO3 reacts with 41 mL of 5 M K2CrO4(aq) to form a precipitate. What mass of the percipitate is formed
the concentration of co2 in the soda is 0.14M. find the concentration of CO2 in the soda after the bottle is opened, and equilibrates at a partial pressure of 3.0 X 10^-4 atm. The henry's law constant is 3.4 X 10^-2 mol/L atm.
Explain what is the wavelength of light in centimeters having a frequency of 1.5x10^18 s^-1? The speed of light is 3.00 x 108 m/s
The Nernst Equation applies to both cell reactions and half-reactions. For the conditions specified, calculate the potential for the following half reactions at 25 degrees C.
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