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3.0 L of He gas at 5.6 atm pressure and 25 degrees celcius and 4.5 L of Ne gas at 3.6 atm and 25 degrees celcius are combined at constant temperature into a 9.0 L flask. What is the total pressure in atm in the 9.0 L flask?"
A 2.50-L container is filled with 187 g argon. If the pressure is 10.0 atm, what is the temperature?
This flask is then connected to a second flask, which is evacuated and has a volume of 630. mL. The gas is subsequently allowed to fill both flasks. What is the final pressure of the gas in the first flask? What is the final pressure of the gas in..
Assuming a tank temperature of 16oC, what mass of oxygen is contained in the two tanks?
The following reaction is exothermic (H= -226 kJ) and has a rate law: Rate = k(NO2)^2: NO2 + CO ? NO (g) + CO2 (g) for each of the following disturbances, indicate whether the rate of the reaction will be FASTER or SLOWER and indicate whether ther..
A student has a sample (less than 100 mg) that she would like to test for presence of lead. She has access two different atomic absorption spectrometers (flame and furnace) that could be used for analysis.
How would the following experimental errors change the calculation of the number of mg of ascorbic acid in fresh orange juice, student neglected to filter the juice
Make a FLOW CHART on how a mixture of phenol, benzoic acid, p-nitroaniline and anthracene can be seperated by EXTRACTION.
What volume of ethylene glycol (C2H6O2), a nonelectrolyte, must be added to 12.7 L of water to produce an antifreeze solution with a freezing point of -34.6°C? (The density of ethylene glycol is 1.11 g/cm3, and the density of water is 1.00 g/cm3.)
what is the mass percent ch3oh of a 0.256 m ch3ohaq
an evacuated empty 276 ml glass bulb weighs 129.6375 g. filled with an unknown gas the bulb weighs 130.0318 g.
Calculate the pH of a buffer solution made by mixing 49 ml of a 0.07 M ammonia solution with 52 ml of a 0.10 M ammonium nitrate solution. Give the pH to two decimal places.
Calculate the [NH3] and [H4Cl] in the buffer solution. Calculate the pH of the buffer solution.
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