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Dissolve 40.0g KCL in 250.0g of water at 25 Celsius. Explain what the vapor pressure of the solution is. Vapor pressure of water 25 Celsius is 23.76mmhg
Given a buret filled with 0.12 M acetic acid and a second buret filled with 0.14 M sodium acetate, how many milliliters of each solution should be mixed together to produce 18.5 mL of a solution with a pH of 4.80
For 2.25 moles of an ideal gas, Pext=P=200x10^3 Pa. The temperature is changed from 122 C to 28.5C and Cv=3R/2. Calculate the q, w, delta U and delta H for an isochloric process.
How many moles of NaCl2 can be formed in the reaction of 5.00 molof Ni and 10.0 mol of HCl
How much slower will a reaction with 2 O3 + 10 NO be than a reaction with 6 O3 and 6 NO
The heat of vaporization of butane (C4H10) is 21.0 kj/mol. What is the change in entropy when 55.g of butane boils at -.05 degrees Celcius.
a what temperature change would you expect in which 50.0 ml of 2.0m hcl is combined with 80.0 ml of 2.0 m naoh in
explain the fundamental difference between singlet and triplet state. from this fundamental difference explain why
sample of KHP requires 19.27mL of NaOH to reach the end point. What is the concentration of NaOH?
The problem: CaCO3 can be roasted to produce CaO and CO2. This reaction is carried out in a flash connected to an open-end mercury manometer when the atmospheric pressure is 754 torr
how will you use the known compounds that are out in the lab to help you find the identity of your unknown compounds
a half-cell that consists of a copper wire in 1.00 m cuno3 solution is connected by a salt bridge to a half cell
How reliable is the perfect gas law in comparison with the van der Waals equation? Calculate the difference in pressure of 10.00g of CO2 confined to a volume of 100cm3 at 25 degrees Celsius between treating it as a perfect gas and a van der Waals ..
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