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Determine the volume of 0.220 M KOH solution required to neutralize each of the following samples of sulfuric acid. The neutralization reaction is: H2SO4(aq)+2KOH(aq)---> K2SO4(aq)+2H2O(l)1- 40 mL of 0.220 M H2SO42- 175 mL of 0.140 M H2SO43- 55 mL of 0.105 M H2SO4
The heat of vaporization of water is 44.0 {rm kJ/mol}. Calculate the quantity of energy released when enough water vapor condenses to form 0.42 inches of rain over an area of one square mile.
Calculate the concentration of Cu2+ in a solution prepared by adding 5.2 x 10 -3 mol of CuSO4 to 0.450L of 0.38 M NH3.
Dental X-Rays expose patients ot about 5.0uSv of radiation. Given an RBE of 1 for X-Rays, how many micrograys of radiaion
Draw several Lewis structures and determine the geometry, bond angle, and hybridization about the central atom
the standard change in Gibbs free energy is ?G° = -32.8 kJ/mol. What is ?G for this reaction at 298 K when the partial pressures are P C2H6=0.100atm, P H2=0.100atm and P CH4=.750atm
Explain, in detail, why a bromine radical is more selective than a chlorine radical during abstraction of a hydrogen on a hydrocarbon?
a light woman and a heavy man jump from an airplance at the same time and open their same-size parachutes at the same time. which person will get to a state of zero accerlation first?
Please provide a complete mechanism (using arrows and lone pairs) for the synthesis of 2-ethyl-2,4,5-trimethyl-1,3-dioxolane using 2-butanone and 2,3-butanediol in an acidic environment (H2SO4).
predict whether solutions of the following salts are acidic, basic, or neutral.
When burned in oxygen, 10.0 g of phosphorus generated enough heat to raise the temperature of 2950 g of water from 18.0oC to 38.0oC. The heat of formation of P4O10 from P4(s) and O2(g) is:
The excess I2(aq) left over from the above reaction was titrated with 11.37 mL of 0.0105 M thiosulfate (S2O32-) as follows: I2(aq) + 2S2O32-(aq) → 2I1-(aq) + S4O62-(aq)
Red phosphorus is fairly stable, while white phosphorus will ignite spontaneously in air above 50 C. Determine the change in entropy for the conversion of the white form to the red form
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