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A metal sample weighing 37.6 grams, which has been heated to a temp of 100 degree cin boling water was placed in 48.6g of waterin a calorimeter. The inital temp of the water was 25.2 degree c. At equilibrium the temp of the water and metal was 30.4 degreec -what was the change of temperature in the water? (in degree c)?
Calculate the molar mass of naphthalene, the organic compound in mothballs, if a solution prepared by disovlving 7.50g of naphthalene in exactly 150g of benzene has a freazing point 2.0 degrees
Consider two jars. One jar contains 100 blue spheres, and the other jar contains 25 each of red, blue, green, and yellow colors mixed together. If you were to remove 30 spheres from the jar containing the mixture (assume you get a representative d..
analyze the societal implications of using this process
what is the major product formed from the Reaction of (3S)-3-bromo-2,3-dimethylpentane
There is a stock 6.00m solution of sodium chloride available in the lab. What volume of this solution would you need to prepare your solution?
What is the sum of the stoichiometric coefficients when the reaction is balanced to lowest common denominator
calculate te single ion actvity coefficients for Cs^+, Cd^2+, Al^3+ and dissolved H2CO3 s a function of ionic strength
predict how many grams of calcium chloride would be produced.
All the offspring of a cross between a normal winged fly and an miniature winged fly have normal wings. What is the expected phenotypic ratio of a cross between two miniature winged flies?
Use the appropriate standard reduction potentials to calculate the value of k at 25 degrees celcius for this reaction NiO(s)+2Cl-(aq)+4H+(aq)->Cl2(g)+Ni^+2(aq)+2H2O(l)
In tables of thermodynamic data provided in chemistry books, one finds delta Hf, delta Gf, and delta S listed. Briefly explain why the entropy data are supplied as S
If the vessel is heated to 500 K, WHat is the percent decomposition of HBr and the equilbirum compositions of the mixtures?
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