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A 21.2 g sample of a metal was heated to 61.98 degrees C. When the metal was placed in a constant-pressure calorimeter containing 30.0 g of water, the temperature of the water rose from 24.69 degrees C to 29.27 degrees C. Calculate the specific heat of the metal.
The photochemical reaction of 2,4-dimethylpentane with molecular chlorine affords a mixture of monochlorinated alkyl halides. Draw teh structures of these products and predict the molar ratio when the reaction is run at 25C
Compute the activation energy for the flashing process. When At 29 o C the average rate is 3.3 flashes every 10 seconds; at 23 degree Celsius the average rate
Identify the following salts as neutral acidic or basic: 1. LiNO3 2. SrBr2 3. LiF 4. KCN 5. NH4ClO4 6. NH4Br 7. NH4CN Please include why are they neutral basic or acidic.
Sulfuric acid in water dissociates completely into H+ and HSO4-; ions. The HSO4- ion dissociates to a limited extent into H+ and SO4(2-). The freezing point of a 0.1000; solution of sulfuric acid in water is 272.72 Calculate the molality of SO4(2-..
Calculate the molar solubility of strontium chromate in water at 298 K if Ksp = 3.6 * 10-5.
If you are uncertain as to which layer in the separatory funnel is aqueous when extracting an aqueous solution with an organic solvent, how could you settle the issue
calculate the change in ph when 6 ml of 0.1 M HCl is added to 100 ml of a buffer solution that is 0.1 M in NH3 and 0.1 M in NH4Cl. And calculate the change in PH
1. calculate the h of a solution obtained by mixing 1 l of hydrochloric acid 1.0 m with 1 litre of sodium hydroxide
a nitrogen fertilizer that is manufactured from ammonia and carbon dioxide. 2 NH3(g) CO2(g) ? NH2CONH2(aq) H2O(l) What volume of ammonia at 45°C and 1.60 atm is needed to produce 908 g (2 lb) of urea?
a solution is prepared by dissolving 4.21g of a nonelectrolyte in 50.0 g of water. if the boiling point increases by
the heat of solution of lithium carbonate is 3.06kjmol solute in 200 moles of h2o. what effect would you expect
If equal amounts of I2 and cyclopentene are mixed at 1 bar and 500k, what will be the equilibrium partial pressure of I2. Kp=7.76x 10^-3
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