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Compute the change in entropy of the universe if water vapor of one mol condenses to liquid water at the temperature of 100°C in a thin flask in an ambient laboratory temperature of twenty five degree celsius.
What is the concentration of an ammonium chloride solution prepared by using 0.5L of water to dissolve the product of the reaction of 1.25 L of ammonia gas at 22 degrees C
If 158 mL of wet H2 is collected over water at 24C and a barometric pressure of 737 torr, how many grams of Zn have been consumed?
At what pH would the side chain of histidine exist predominately in a form that could be involved in an ionic bond?
And, of course, ammonia is a base so there will be some NH4+ in solution also. Assume that the concentration of unprotonated NH3 is 0.040 M. What fraction of the cadmium ions are in the form of Cd2+
sodium phosphate is mixed with 400.0ml of 0.255M barium chloride. What is the mass of the solid produced?
The 20 mL of water added to the Erlenmeyer flask is to be previously boiled, deionized water. Since water does absorb CO2 from the atmosphere and since CO2 dissolved in water causes it to be slightly acidic,
A proton in a linear accelerator has a de Broglie wavelength of 139 pm what is the speed of the proton?
Calculate the pH of the solution that is 0.600 M CH3NH2 and 0.500 M CH3NH3Cl. (Kb for CH3NH2 = 4.38 x 10-4)
If 25.0 grams of potassium chlorate decomposes, how many grams of gas are released as a product?
write a balanced equation for the reaction of phosphorus trichloride pcl3 with water h2o forming phosphorous acid h3po3
the vapor pressure of chlorine dioxide clo2 is155torrat-22.75 ? cand485torrat 0?c. what is the normal boiling point of
What alcohol would be most appropriate for the synthesis of 1-methylcyclohexene. Write an equation.
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