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What is the ph after 45.0ml of .1M HCl is added during the titration of 30.0ml of 0.1 Mweak base that has a (kb=5.2 *10^-4)
What volume in liters of O2(g) is required to form 46 L of CO2(g)? Assume both gases are measured under the same conditions.
Using the thermodynamic cycle in the tight binding KNI-764/HIV-1 protease example discussed in class, derive the Kapp= KKNI-764/(1+KAc-pepstatin[AcPepstatin]) for the apparent affinity constant (Kapp) for the competition assay between the weak (Ac..
Calculate the rms veloctiy of each gas at this temperature. b) Calculate the average kinetic energy per mole and per molecule for each gas.
In the Haber-Bosch Process, nitrogen and hydrogen gas are reaceted under high temperature (500 C) and pressure (200 atm) to form ammonia gas (NH3) according to the equation
Give the chemical reactions that show why solutions of Al(NO3)3, Zn(NO3)2, and NH4NO3 have the pH values that you found.
An unknown volume of water at 18.2 degrees Celsius is added to 21.6 mL of water at 35.0 degrees Celsius. If the final temperature is 23.5 degrees Celsius, what was the unknown volume. Assume that non heat is lost to the surroundings; d of water is..
Assume the temperature of the mixture is chosen so that Kp=0.12. Predict the effect on the partial pressure of SO3 as equilibrium is achieved by using Q, the reaction quotient.
The solubility of AlF3 is 6.7 gms. of AlF3 per liter of solution. the density of a saturated AlF3 solution is 1grm per ml. the Ksp of AlF3 is
The U.S. recommended daily allowance (RDA) of folic acid, (C19H19N7O6) is 400.0 ?g. Calculate the number of molecules in the U.S. RDA. Do not enter units.
A mixture of gases contains 5.00 grams of Ne, 5.00 grams of O2, and 5.00 grams of CO2. What is the mole fraction of each gas. What fraction of the total pressure of the gas mix is due to each gas. If the gases are in a 25.0 L container at 25°C, wh..
how efficient is the extraction of tea leaves containing tra1.0g of caffeine with two 30-ml portions of chloroform over
How many moles of (NH4)3PO4 are present in 100.0 mL of 2.50 M (NH4)3PO4?
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