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If I want to make the buffer by adding 0.100 M NaOH instead of sodium acetate, how many milliliters of NaOH are needed to reach pH=4.74?
Consider a rigid, insulated box containing 0.400 mol of He(g) at 30.0°C and 1.00 atm in one compartment and 0.600 mol of N2(g) at 100.0°C and 2.00 atm in the other compartment.
Calculate the percent by mass of aluminum in the sample. The vapor pressure of water at 20 degree C is 17.5 Torr.
The pressure of a gas is 817 torr at 55°C. The quantity of the gas is fixed and the volume remains constant as the pressure is adjusted to 102 torr. What is the resulting temperature of the gas?
Carbonyl fluoride, \rm COF_2, is an important intermediate used in the production of fluorine-containing compounds.
How many grams of barium sulfate are produced if 25.34mL of 0.1133 M BaCl2 completely react given the reaction. BaCl2(aq)+Na2SO4-BaSO4(s)+2NaCl(aq)
Benzyl ethyl ether reacts with concentrated aqueous HI to form two initial organic products (A and B).
what would be the major product obtained from the reaction of Br2 with 1-butene if the reaction were carried out in
KEtones also undergo the aldo condensation, although a succesful reaction often requires "enhanced" conditions, since the addition involves an unfavorable equilibrium constant.
calcium and the human body normally contains 6 quarts of blood, what mass of calcium (in grams) will be found in the total blood volume?
If 35.0 g H2O at 22.7 °C is combined with 65.0 g H2O at 87.5 °C, what is the final temperature of the mixture. The specific heat capacity of water is 4.184 J/g×K.
calculate the new temperature in Celcius- tank of helium gas with a pressure of 270 torr at 4 degrees celcius is heated to give a pressure of 1500 torr
Show that using many small volumes of organic solvent in an extraction from an aqueous phase is more effective than using fewer, larger volumes
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