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A total of 2.00 of a compound is allowed to react in a foam coffee cup that contains 130 of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7 . What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself.
What is the minimum concentration of Mg2+ required to begin precipitating Mg(OH)2(s) in a solution of pH 10.82? For Mg(OH)2
The Substrate, 1-chlorobutane, was not totally consumed in the reaction. As a result, a GC peak for that species appears in the chromatogram.
separation of acetone from water by using mibk.a stream containing 30 wt acetone and the balance water is to be
Ammonia reacts with oxygen gas to produce water and nitrogen gas. What mass of oxygen gas must be used to react with 19g of ammonia
How much limestone in kg is need to completely neutralize a lake containing -- of H2 per liter? 5.0 * 10-3g SO4 5.2 * 10^9-L.
alculate the volume of .7000 M NaOH required to convert all of the phosphoric acid to sodium dihydrogen phosphate. What is the concentration of the sodium dihydrogen phosphate in the final solution
A galvanic (voltaic) cell consists of an electrode composed of nickel in a 1.0 M nickel(II) ion solution and another electrode composed of copper in a 1.0 M copper(I) ion solution, connected by a salt bridge. Calculate the standard potential for t..
the boyle temperature is the temperature at which the coefficient b is zero. Therefore, a real gas behaves like an ideal gas at this temperature. (a) Give a physical interpretation of this behavior.
One Way of purifying gaseous H2 is to pass it under high pressure through the holes of a metal's crystal structure. Palladium, which adopts a cubic closest packed structure
The flue gases produced are cooled from 1000 C at the outlet of the furnace to 600 C in a superheater. Saturated steam at 80 bar enters the superheater and leaves with a 100 C superheat. What quantity of superheated steam is generated in the boile..
Consider a solution formed by mixing 30.0 mL of 0.100 M H2SO4, 24.5 mL of 0.100 M HOCl, 25.0 mL of 0.200 M NaOH, 25.0 mL of 0.100 M Ca(OH)2, and 10.0 mL of 0.150 M KOH. Calculate the pH of this solution.
4Al + 3O2 = 2Al2O3 determine the percent yield if 124 g Al2O3 are produced when 3.0 moles of Al are reacted
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