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A 3.05 g sample of NH4NO3(s) is introduced into an evacuated 2.18 L flask and then heated to 250 oC. What is the total gas pressure, in atm in the flask at 250 oC when the NH4NO3 has completely decomposed?
NH4NO3(s)---> N2O(g) +2H2O(g)
A scientist wishes to compress 50.0 ml of ammonia gas at normal atmospheric pressure to a volume of 1.0 ml. What pressure in atmospheres is necessary?
What is the final product of the synthesis of the enamine of 2,2-dimethylcyclohexanone and pyrrolidine
Question- When a 5.00g of strontium is added to 100.0g of water at 25.0 Celsius in a constant pressure calorimeter, the reaction below occurs and the temperature of the water increases to 8`.4 Celsius.
1) Calculate the mass of water produced when 2.18 g of butane reacts with excess oxygen.
A sample of air contains 76.50% nitrogen, 22.70% oxygen, 0.05% carbon dioxide, and 0.75% argon, by volume. How many molecules of each gas are present in 1.00 L of the sample at 25°C and 1.00 atm
a sample of 57 grams of h2o with a temperature of sixteen degree celsius is combined to 260 grams of h2o at 90 degree
a solution contains an unknown mass of dissolved silver ions. when potassium chloride is add to the solution.a white
A stream of air (21% O2 m, the rest N2) flowing at a rate of 10.0 kg/h is to be mixed with a stream of CO2 inside a mixer. The CO2 enters the mixer at a rate of 20.0 m/h at 150 ?C and 1.5 bar. What is the mole percent of CO2 in the product stream
The mass of an electron is 9.11\times 10^{-31}~\rm kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31\times 10^{-10}~\rm m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00\times10..
if 25.0 ml silver nitrate solution reacts with excessive potassiumchloride solution to yeild 0.628 g precipitate what
if 0.100 m NaCl is added slowly to a beaker containing both .120m AgNO3 and .150m Pb(NO3)2 at 25 celsius which will precipitate first AgCl or PbCl2?
The zinc content of a 1.45 g ore sample was determined by dissolving the ore in HCl, which reacts with the zinc, and then neutralizing excess HCl with NaOH
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