How many grams of compound can be cooled
How many grams of H2O can be cooled from 45 degrees C to 15 degrees C by the evaporation of 63 grams of water. The heat of vaporization is 2.4 KJ/gram and the Specific Heat of water is 4.18 J/gK.
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A solution of salt (molar mass 90 g mol -1) in water has a density of 1.29 g/mL. Calculate the mole fraction of the salt in the solution
What is the pH at the equivalence point when 30.0mL of 0.175 mol/L HCOOH is titrated with 0.135 mol/L NaOH? Assume the temperature is 25 degrees celcius. For HCOOH, pKa=3.74 at 25 degrees celcius.
A dog searching for a bone walks 4.00 m south, then 8.20 m at an angle of 30.0° north of east, and finally 12.0 m west. Use graphical techniques to find the direction of the dog's resultant displacement vector. Give the direction of the result
Calculate the initial rate of the NO reduction at 1100 K if 400.00 mg of NO and 600.00 mg of H2 are confined to a 5.00 L reaction vessel.
Discuss the Black Legend and how to compare this legend to what Spain's approach was to exploration, conquest, and colonization.
How can you improve the overall yield of vanillyl alcohol from the reduction of vanillin?
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A 135 mL sample of a 15.0 M ethylene glycol (rm C_2H_6O_2) solution is diluted to 1.50 L. What is the freezing point of the final solution? (Assume a density of 1.06 g/mL for the final solution.)
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