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2.00 L of H2 at a pressure of 368 torr and 1.00 L of N2 at an unknown pressure. If the total pressure in the flasks is 336 torr after the stopcock is opened, determine the initial pressure of N2 in the 1.00 L flask.
Calculate the pH after 0.15 mol of NaOH is added to 1.00 L of 0.60 M HF and 1.01 M KF.
Assume that a waste contains 395.0 mg/L of biodegradable CH2O and is processed through a 190000.0 L/day sewage treatment plant which converts 40% of the waste to CO2 and H2O.
the heat calculated after a calimetry experiment is equal to the enthalpy change for reaction. Use the thermochemical data to calculate the enthalpy chanfe for the reaction of NaOH and CH3COOH.
a sample of gas has a volume of 0.106 L at 37 degrees Celsius and 0.920 atm. what is the volume of stp (1 atm and 0 degrees Celsius)
If the solubility of a gas is 7.5 g/L at 404 kPa pressure, what is the solubility of the gas when the pressure is 202 kPa.
A sample of methane (CH4) has a volume of 25 mL at a pressure of 0.80 atm. What is the volume of the gas at each of the following pressures if there is no change in temperature? a) 0.40 atm; b) 2.00 atm; c) 2500 mmHg; d) 80.0 torr.
What mass of Ag2CO3(s) in grams is theoretically produced by mixing 125 mL of 0.315 M Na2CO3(aq) and 75.0 mL of 0.155 M AgNO3(aq)?.
A 4.80 g nugget of pure gold absorbed 288 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C.
Calculate the resulting CO2 concentration in the atmosphere 30 years from now assuming that we will use only coal to generate electricity. Assume efficiencies of 40% for power plants.
Determine how long will it take for the concentration to decrease to 0.13 mol/L express your answer in seconds.
The combustion of an organic compound releases 35.6 kJ of energy and causes the temperature of a constant volume calorimeter to increase by 4.76 °C .
The nitration of toluene gives o- and p-nitrotoluene as the major products
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