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Explain If 1 M H2SO4 is used to titrate a 290.0 mL solution of 0.84 M ammonia (NH3), define what volume of acid is required to completely neutralize the base? Each mole of the strong diprotic acid produces two moles of hydronium ions in water.
Calculate the ionic strength of a solution that is 0.05 mol/kg in Na3[Fe(CN)6](aq), 0.02 mol/kg NaCl(aq), and 0.03 mol/kg in NaBr(aq).
Ethan contain 2.659 carbon and .668 gm of H, and one sample of acetylene contains 4.59 g of carbon and .382 gm of h. write emperical formula for ethane , acetylene
Sulfur, S8, combines with oxygen at elevated temperatures to form sulfur dioxide. If 288 oxygen molecules are used up in this reaction, how many sulfur molecules reacted. In the reaction above, how many molecules of sulfur dioxide were formed
Calculate the threshold wavelength, in nm, of a metal if that metal emits an electron with a kinetic energy of 6.36E-19 J when illuminated with light that has a frequency of 1.97E15 Hz.
a tanker truck carrying 6.05times103 kg of concentrated sulfuric acid solution tips over and spills its load. the
Using your knowledge of intermolecular forces, polarity, and any other necessary information answer the following question: Why is citric acid insoluble with DCM, ethanol, and ethyl acetate
Calculate the van't Hoff factor (i) for this solution. 2. Calculate the vapor pressure at 25 ?C of an aqueous solution that is 5.80% NaCl by mass.
A weather balloon at Earth's surface has a volume of 4 L at 285 K and 791 mmHg. If the balloon is released and the volume reaches 4.19 L at 711 mmHg.
A sample of neon has a volume of 780 mL when it is at a pressure of 751 mmHg. What will be the volume when the pressure is increased to 1389 mmHg?
The human body obtains 955 of energy from a candy bar. If this energy were used to vaporize water at 100.0 , how much water (in liters) could be vaporized? (Assume the density of water is 1.00.)
How many liters of softened water, containing a sodium concentration of 4.0×10-2% sodium by mass, have to be consumed to exceed the FDA recommendation
considering the given equations and calculate the heat of the reaction of 3h2g o2g ---gt 3h2og from the heats of
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