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The density of a 0.438 solution of potassium chromate at 298 is 1.063 .Calculate the vapor pressure of water above the solution. The vapor pressure of pure water at this temperature is 0.0313.
Fumaric acid, a diastereomer of maleic acid, requires a much higher temperature before it dehydrates; when it does, it also yields maleic anhydride.
How do you determine the number of protons and neutrons in an atoms' nucleus and the number of electrons in its first and second shells?
What is the activation energy for a reaction whose rate is tripled by a temperature increase from 22.5°C to 58.0°C?
In which of the following reactions would increasing pressure at constant temperature not change the concentrations of reactants and products, based on Le Ch telier's principle
Calculate the pH of 9.2E-8 M NaOH, ignoring activity coefficients. Report the pH using the correct number of decimal places.
In a titration experiment to determine the Ksp of Calcium Hydroxide, we titrated our prepared Ca(OH)2 solution with a standard hydrochloric acid solution
the electric potential energy associated with an electron and a proton is -4.35*10^-18 j. what is the distance between these two charges?
What is your sampling rate in ml/min if you collected, over a four hour sample
A 1-L flask is filled with 1.20g of argon at 25C . A sample of ethane vapor is added to the same flask until the total pressure is 1.15 atm. A) What is the partial pressure of argon, P Ar , in the flask
A woman has a metabolic acidosis resulting from an increased hepatic production of ketone bodies. for a patient with this disorder a screening test using the nitroprusside reaction can test for the putrescence of ketones in the blood. which of the..
A standard NaOH solution is contaminated with Na2CO3. In the titration of 50.00 mL of .1002 M HCl solution, 32.00 and 32.50 mL of base are required to reach the methyl orange and Phenolpthalein end points,
Calculate the minimum mass of hexane that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits.
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