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Explain the difference between deposition and condensation. Give an example. Please and Thank you.
What are the molecular and net ionic chemical equations that show how a HC-2H3O2-NaC2H3O2 buffer resists a pH change when HCl is added using phase labels.
Explain what volume of the water will evaporate if the room is at 25 degree Celsius. Density of water at 25 C = 0.997g/ml as well as vapor pressure at 25C is 23.8 mmHg
Write the Henderson-Hasselbalch equation for a solution of propanoic acid (CH3CH2CO2H, pKa = 4.874 ) using HA and A- in the expression. pH= ? Using this equation, calculate the quotient
consider the following three equilibria occurring simultaneously in solutioncaaq c2o4aq cac2o4sh2c2o4aq haq
which reaction has the greatest increase in entropya. 2h2o-gt 2h2 o2b. 2h2o-gt 2h2 o2c. h2og-gt h2old. h2ol-gt
A reading shows a pressure measurement of 43 in. Hg. What is the equivalent pressure in psi? What mass of propane (C3H8) is needed to produce 346 g carbon dioxide in the following reaction?
Problem- Calculate the amount of heat in kilojoules released when 50 grams of steam at 125 degrees Celsius are converted to 50 grams of ice at -125 degrees Celsius.
the partial pressure of water vapor in an atmosphere at 35 degree celsius and 740 mm hg pressure is 37 mm hg. what is
Consider the thorough stirring of 0.2 mols Na3PO4 (s) into 1 Liter of 0.2 M H4NHC2O4. For this system write the correct equation for each B/L acid-base rxn of consequence occuring on system prepartion.
why chymotrypsin mutated for all three amino acids in the active site catalytic triad is still able to increase the rate of peptide bond hydrolysis by approximately 50,000-fold.
Calculate and compare the value for the molar volume at 21.5C obtained in part 2 with the value for the molar volume at 21.5 obtained in part 1. The molar mass of Zn is 65.38
Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of HNO3
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