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A solution of acetic acid, HC2H3O2, on a laboratory shelf was of undetermined concentration. If the pH of the solution was found to be 2.39, what was the original concentration of the acetic acid?
The activation energy of a certain reaction is 77.3 kj/mol. How many times faster will the reaction occur at 41 degrees celcius than at 0 degrees celcius?
How much limestone would be required each year in order to remove sulfur dioxide from a power plant whole daily consumption of coal
In 0.1592 M solution, a weak acid, HA, is 7.11% ionized. Calculate the ionization constant for the weak acid.
What volume of carbon dioxide (CO2) will be produced if 2.90 moles of iron (Fe) is produced?
Calculate the pH for the following case in the titration of 50.0 mL of 0.140 M HClO(aq) with 0.140 M KOH(aq).HClO is a weak acid with a Ka
How many milliliters of boiling water are required to dissolve 24 g of N-Bromosuccinimide? If the solution were cooled to 25° C, how many grams of N-Bromosuccinimide would crystallize out.
the gas sample weighs 2.62grams then computes the molecular weight and determines the identity of the gas.
ow many coulombs are required to produce 63.8 g of potassium metal from a sample of molten potassium
the temperature decreases by 0.2010 K. Calculate the molar heat of solution of KCN.
You have a balloon that is not permeable to gas molecules. The balloon is spherical and has a circumference of 3.141592654 m when it is filled with a gas at 20 EC and 1.0000 atm pressure.
764 mL of chlorine gas are added to the reaction chamber at STP. How many grams of silicon metal are needed to react with this volume of chlorine gas?
If this gas is brought to a final temperature of 150 degrees Celsius while the volume is held constant, what is the final pressure?
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