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Balloons of 4L capacity are to be filled with hydrogen at a pressure of 1atm and 27C from an 8L cylinder containing hydrogen gas at 10atm at same temperature. The no of balloons that can be filed are?
Calculate the activity for CS2 at mole fraction CS2=.722 for a Raoult's Law standard state using the following data: PCS2=446.9 Torr, and P*CS2=512.3 Torr
The intial temp of the water is 19.0C and the final temp of the system is 25.1C. The heat loss to calorimeter is negligible. What is the mass of the water?
Problem- Derive the integrated rate expression for a reaction that is 1/2 order in {A}. Also, derive an expression for t1/2.
Calculate the work done (in J) on the surrounding atmosphere (1atm pressure, 25.8 oC ) by the evolution of hydrogen in the subsequent reaction
Calculate the concentration of cadmium chloride contaminant in the original groundwater sample. Be sure your answer has the correct number of significant digits.
Cesium-131 is a short lived radioisotope (t 1/2 = 9.7 days) used to treat prostate cancer. How much therapeutic strength does a cesium-131 source lose over 45.0 days?
A 1.000-mL aliquot of a solution containing Cu2 and Ni2 is treated with 25.00 mL of a 0.03632 M EDTA solution. The solution is then back titrated with 0.02254 M Zn2 solution at a pH of 5. A volume of 18.39 mL of the Zn2 solutio..
Hello everyone, I was wondering if someone could assist me in this problem. The problems says "We have 500 mL of a solution with Ba^(2+)=0.10M. How many grams of LiF must be added to begin precipitation of BaF2
initially a 1.0 l container is filled with 2.0 mol of no2. as the system approaches equilibrium what happens to the
Another wood sample prepared from an object recovered at an archaeological excavation gives a decay rate of 0.177 disintegration per second per gram of the sample. What is the age of the object
Compute the number of moles of a gas that is present in a 7.55-L container at 45 degrees, if the gas exerts a pressure of 725 mm Hg.
How many grams of a 0.30 M solution of hydrocholoric acid would contain 5.2 g of pure hydrocholoric acid? The density of 0.30 M hydrocholoric acid is 1.2 g/mL
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