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Managers sometimes have a difficult job of communicating with employees. What are some of the complaints from employees about how managers try to communicate with them? What are some ways that managers can make sure that their message is delivered and received clearly?
A flask has a mass of 78.16g when empty and 593.56g when filled with water. When the same flask is filled with concentrated sulfuric acid, its mass is 1026.57g. Calculate the density of concentrated sulfuric acid.
The temperature of the solution in the calorimeter rose from 24.7 degrees celsius to 36.17 degrees celsius. What is the DeltaH per mole for the reaction
Discuss one mutation that has a negative effect on the body Find another mutation that can have a positive effect on the body.
Why does the negative potential superimposed with an AC current allow Low mass particles to pass through the quadrupole. Explain in great detail with a figure or two.
A buffer solution is prepared by adding 32.8 grams of sodium acetate, NaC2H3O2 to 1.00 L of 0.500 M acetic acid, CH3CO2H. Ka = 1.8 x 10-5 for acetic acid.
All numerical answers must be reported to the correct number of significant figures. A piece of mineral believed to be galena (PbS) with a mass of 744.5 g displaces 48.6 mL of water. What is the density of the mineral
sodium nitrate was added to 2.0 l of water at 25 degc to produce a saturated solution. the solution was then heated to
Write a net ionic creation equation for this reaction and indicate which chemical is responsible for the blue precipitate.
For the reaction SO3+H2O yields H2SO4, how many grams of sulfur trioxide are required to produce 4.00 mol of sulfuric acid?
a sample of 1.800 grams of octane c8h18 was burned in a bomb calorimeter whose total heat capacity 11.66 kjdegc. the
four flasks each contain 100 ml of aqueous solutions of equal concentrations at 25 degrees celsius and 1 atm which
100 mL of a 0.125 M solution of HBr was titrated with a 0.100 M solution of KOH at 25 C. The equivalence point will be reached after addition of what volume of the titrant?
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