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The following five beakers, each containing a solution of sodium chloride (\rm NaCl, also known as table salt), were found on a lab shelf:
Beaker Contents
1 200. rm mL of 1.50 M rm NaCl solution
2 100. rm mL of 3.00 M rm NaCl solution
3 150. rm mL of solution containing 24.0 g of rm NaCl
4 100. rm mL of solution containing 24.0 g of rm NaCl
5 300. rm mL of solution containing 0.450 rm mol rm NaCl
During a period of discharge of a lead-acid battery, 402g of Pb from the anode is converted into PbSO4.
chlorine has an average atomic mass of 35.453 amu. the main isotopes of chlorine are 35cl which has an atomic mass of
Bearing in mind the Jahn-Teller theorem, rank the following compounds in terms of their degree of deviation from idealized octahedral structure- [Cr(CN)6]4-, [Cu(H2O)6]2+, and [Cr(H20)6]3+
A procedure called coulogravimetric analysis combines a weight determination with a measurement of the quantity of electricity in a controlled-potential electrolysis to analyze bromide-chloride mixtures
A sample of an unknown gas effuses in 11.7 min. An equal volume of H2 in the same apparatus under the same conditions effuses in 2.23 min. What is the molar mass of the unknown gas?
Compare and contrast the endo vs exo-nuclease excision repair mechanisms of DNA polymerase.
A balloon holds 2.5 liters of helium at a temperature of 25C and 1 atmosphere of pressure. What volume will the balloon have after it rises to where the atmospheric pressure is 0.8 atmosphere and the temperature is -10C
What is the maximum fermenter diameter that can support heat removal from a culture growing at 16 degrees Celcius with an oxygen uptake rate (OUR) of 200 mM/L/hr when cooling water
a reaction known to release heat of four kilo joules takes place in a calorimeter containing two litres of solution and
The Kb of ammonia is 1.8 x 10-5. What is the percent ionization of a solution of ammonia, 0.50 mol L-1 NH3, that contains 0.020 mol L-1 of ammonium nitrate, NH4NO3
Creat a spread sheet or matlab file with the following functionality: a/ The utility shoud use th P(in MPa) and T(in K) to calculate the ideal gas molar volume (in cm3/mol) at a reference state and two other states labeled ‘state1' and ‘state2'.
Agas company in Massachusetts charges $1.30 for 15.0 cubic ft of natural gas. (a) Convert this rate to dollarsper liter of gas. (b) It takes 0.304 cubic ft of gas to boil aliter of water, starting at room temperature
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