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An acid-base neutralization reaction causes the temperature of asolution and beaker to rise from 23 degrees Celcius to 89 degreesCelcius. The volume of the solution is 435 mL. Determine the amountof energy released by this reaction. Assume the specific heat ofthe solution, which is dilute, is the same as that of water andthat the beaker has a heat capacity of 330 J/degree Celcius.
what effect does the presence of sodium sulfite group on methyl orange have on the solubility of methyl orange in water. If this group were absent, would you expect the solubility of the resulting molecule to be more or less soluble in hexane than..
Solid silver nitrate is added to a solution that is 0.0010 M each in NaCl, NaBr, and NaI. For AgI, ksp= 1.5x10^-16, for AgBr, ksp= 3.3x10^-13, and for AgCl, ksp= 1.8x10^-10
The right arm is open to the atmosphere (Patm=783.0 Torr) and the height of the mercury in that arm is 40.00 cm. What is the pressure of the sample of gas
Explain what would happen if Manganese dioxide was mixed with Potassium iodide and 9M sulfuric acid
Which atom is oxidized - Which atom is reduced?
If the salt concentration of a soup is reduced from 5% to 3%, explain what will the effect on available water be
A 67.9 g mixture of the compounds sodium sulfide and potassium bromide is 40.9 % by mass sodium sulfide. The compound sodium sulfide is 41.1 % by mass sulfur. Calculate the mass (g) of sodium in the mixture.
Five mineral samples of equal mass of calcite, CaCO3 (MM 100.085), had a total mass of 10.1 ± 0.1 g. What is the average mass of calcium in each sample
A pure silver ring contains 2.80 x 10^22 silver atoms. How many silver atoms does it contain. Please show your steps and solutions.
Calculate the solubility (in mol/L) of Fe(OH)3 (Ksp = 4.0 x 10^-38) in each of the following situations: (A) Pure water (assume that the pH is 7.0 and remains constant). (B) A solution buffered at pH = 5.0. (C) A solution buffered at pH = 11.0.
calculate the mass of vapour present in a room of volume 250 meter cube that contains air at a temperature of 23
a the change in the gibbs energy of a certain constant-pressure process was found to fit the expression deltagj -85.40
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