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A 125 mL sample of a solution that is 2.9*10^-3 M in AgNO3 is mixed with a 230 mL sample of a solution that is .13 M in NaCN. After the solution reaches equilibrium, what concentration of Ag remains?
Most top-loading balances used in this experiment measure a mass only to the nearest mg(+/- 0.001 g). This significantly affects the calculation of R in the experiment
A mixture of CO2 and N2 gases has an experiment density of 21922 mol/m3 at T=225K and Pressure= 68.759 MPa and Z=1.67661. What is density of this mixture of gases in mol/m3 by Peng-Robinson equation of state? (Mole fraction of Co2= 10.56%)
Zinc chloride (ZnCl2) is 52.02% chlorine by mass. What mass of chlorine is contained in 66.0 g of ZnCl2?
If O2 is collected over water at 40.0 Celsius and a total pressure of 737 mmHg, what volume of gas will be collected for the complete reaction of 23.92 g of NiO?
What mass of this substance must evaporate in order to freeze 160 g of water initially at 19 C? (The heat of fusion of water is 334 {J/g}; the specific heat of water is 4.18 {J/g c. K}.)
If 69.5 kJ of heat is applied to a 1032 g block of metal, the temperature of the metal increases by 11.4°C. Calculate the specific heat capacity of the metal in J/g°C.
Hydronium ion concentration using Henderson-Hasselbalch equation - What is the hydronium ion concentration of a solution
What is the molarity (M) of a solution that contains 2.553 grams of NaOH (MM = 40.00 g/mol) in 81.11 mL of solution.
One mole of water vapor is expanded reversibly from 5 L to 15 L at a temperature of 800 K. Calculate q, w, Delta E for this process assuming that water behaves as a van der Waals gas, making use of the formal relation:
When filled withan unknown gas at STP, the container mass is 37.062g. Calculate themolecular weight of the unknown gas, and then state its probableidentity.
They want us to find this ratio both before and after isomerization with 75mg of iodine. Also obtained IR, CNMR and HNMR data. Also, how to calculate theorectical yield. The final prodect weight was 3.1124g
The volume of a syringe is 0.5 mL and the pressure is 3 atm, when the plunger is at the bottom of the syringe. The syringe is then sealed and forced to the 10 mL mark. What is the pressure inside of the syringe?
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