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How does the enthalpy change for the neutrlization of hydrochloric acid compare to the enthalpy change for the neutralization of aceitc acid. Explain any similarities or differences.
A solution is prepared by dissolving 297 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
How many moles of H3O+ must be added to 482 mL of a solution to adjust the pH from 8.80 to 5.56? Use E notation and 3 significant figures.
The problem: CaCO3 can be roasted to produce CaO and CO2. This reaction is carried out in a flash connected to an open-end mercury manometer when the atmospheric pressure is 754 torr.
Hydrogenation of carbon double bonds C=C (i.e. adding a hydrogen on each carbon atom and thus reducing the double bond into a single bond: H-C-C-H) is a very common process in organic and polymer chemistry
how many grams of ammonium sulfate can be dissolved in 0.0200 cacl2 without the formation of a solid?
Calculate the volume of 0.125 M radium hydroxide solution required to completely neutralize 10.00 mL of 6.32 M phosphoric acid (3 acidic hydrogens)
What is the rate constant of a first-order reaction that takes 215 for the reactant concentration to drop to half of its initial value?
Write the structures of the products you would expect to get if you react N-cinnamaldehyde-m-nitroaniline with catalytic hydrogenation (that means adding H2 and Pt or Pd).
What is the molarity of a solution of HCl if 2.0 L of it are needed to react with 20g of NaOH?
A mixture of amino acids is subjected to paper electrophoresis at pH 6.0. The amino acids present in the mixture are Val, Glu, Phe, Ser, and Lys. Which amino acids will migrate toward the cathode? Toward the anode? Explain.
Important information about Galvanic cell, Consider a galvanic cell consisting of Sn wire immersed in a solution containing 10^-10 M Sn(NO3)subscript 2 and 1 M HNO3 and Ag wire immersed in 10^-2 M AgNO3 and 1 M HNO3.
What is the percent yield of a reaction in which 274 g phosphorus trichloride reacts with excess water to form aqueous phosphorus acid (H3PO3) and 105 g HCl?
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