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A quantity of 500mL of .50 M H2SO4 is mixed with 1.00 L of .25 M Sr(OH)2 in a constant-pressure calorimeter having a heat capacity of 520 j/°C. The early temp of both solutions is the same (22.5°C). Specified that the specific heat of the solution is 4.184 J/g°C, the density of the solution is 1.00 g/mL, as well as that the heat of neutralization for the process H+(aq) + OH-(aq) > H2O (1) is -56.2 kJ, define what is the final temperature of the mixed solution?
What is the empirical formula for a compound that contains 20.11 % hydrogen and 79.89 % carbon
When the following equation is balanced using the smallest possible integers, what is the number in front of the substance in bold type. Na2S2O3 + I2 ? NaI + Na2S4O6
the polarogram for 20ml of solution that was 3.6510-3 in cd2 gave a wave for that ion with a diffusion current of
SrCO3 is a sparingly soluble salt. Using the Ksp from the appendix, a) Determine the concentrations Sr2+ and CO32- when SrCO3 is dissolved in pure water ignoring secondary reactions of Sr2+ and CO32-
there is 10gl of carboxylic acid in boiling water. what is the minimum amount of boiling water needed to dissolve a
1000 000 000 copper atoms would form a line 1 cm long. How long would a line formed by 1.10^7 copper atoms be. express your answer in millimeters
Consider the titration of 30 ml 0.1M HCLO. Ka= 5 x10^-5 with 0.095M KoH solution. determine the pH at the folwwoing points:
it is observed that a volume of 29.15 mL of KOH was neede to complete the process of titration. Determine what is the concentration of this unknown HCl solution?
In the lab you make 10-5.5 M solutions of HCl and of NaOH using pure distilled deionized water. What would be the pH after the solutions equilibrate with the atmosphere
Explain a 368-g sample of water absorbs infrared radiation at 1.06x10^4 nm from a carbon dioxide laser. Presume all the absorbed radiation is converted to heat compute the number of photons at this wavelength needed to raise the temperature of wat..
List the following gas phase ion pairs in order of the quantity of energy released when they form from separated gas-phase ions. Start with the pair that releases the least energy.
The specific heat capacities of the liquid and gas are 0.995 J/g.K and 0.622 J/g.K respectively. How much heat is required to convert 2.500 kg of solid SO2 at the melting pt. to a gas at 60 deg Celsius
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