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How do the following influence the percent yield? Begin by stating which data item would be in error and explain whether the percent yield would be too large, too small, or not affected at all.
At a temperature of 273.15 K and pressure 1 atm many gases have approximate volume of 22.4 L. What is speed of He Atoms
If 290. mL of 0.130 M KOH are mixed with 200. mL of 0.430 M KOH, what is the molarity of the final solution?
a vertical cylinder contains v moles of an ideal gas and is closed offby a piston of mass m and area a. the
Dry ice is solid carbon dioxide. A 0.149 g sample of dry ice is placed in an evacuated 4.77 L vessel at 26.0 degree C. calculate the pressure inside the vessel after all the dry ice has been converted to CO2 gas
If a zinc surface is corroding at a current density of 3.45x10^7 A/cm what thickness of metal will be corroded in 210 days
What is the molarity of a solution of 10% by mass cadmium sulfate, CdSO4 (molar mass = 208.46 g/mol) by mass. The density of the solution is 1.10 g/mL.
divers often inflate heavy duty balloons attached to salvage items on the sea floor. if a balloon is filled to a volume
benzoyl chloride c6h5cocl reacts with water to form benzoic acid c6h5cooh and hydrochloric acid. this first-order
sodium-24 is a radioistope with half life of 15 hours. A sample of pure sodium-24 has an inital mass of 400.0 g. what mass of sodium-24 remains after 60 hours?
Three gases (8.00 of methane, CH4, 18.0 of ethane, C2H6, and an unknown amount of propane, C3H8) were added to the same 10.0-L container. At 23.0 degrees Celsius, the total pressure in the container is 3.50 atm. Calculate the partial pressure of e..
the change in energy of each system and also of the composite system. the change in entropy of each system an also of the composite system.
How many liters of antifreeze ethylene glycol [CH2(OH)CH2(OH)] would you add to a car radiator containing 6.50 liters of water if the coldest winter temperature is -40.0C. Calculate the boiling point of this water-ethylene glycol mixture.
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