Calculate the molecular weight of the solute
A 4.305-gram sample of a nonelectrolyte is dissolved in 105 grams of water. The solution freezes at -1.23°C. Calculate the molecular weight of the solute. Kf for water = 1.86°C/m.
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The antifreeze in a car was a 50% by weight solution of ethylene glycol C2H6O2 in water. Calculate the boiling point and freezing point of this solution. (for H2O: Kb= 0.52 C/m... Kf=1.86 C/m.
A roller coaster goes through a complete loop. If the train is given an initial speed of v0 = 30 m/s, what is the largest value that the radius R can have if the car is to remain in contact with the circular track at all times?
Calculate the volumetric size of a water molecule in vapor, assuming 1 mole of the vapor occupies 22.4 L, as if the vapor were an ideal gas.
At the beginning of the year . Grillo Industries bought three used machines from Freeman Incorporated .The machines were immediately overhauled, installed and started operating Because the machines were recorded separately in the accounts.
If 0.50 mol of COCl2 is placed in a 2.0L flask, what will the concentration of all the reactants and products be when the reaction reaches equilibrium at 527 degrees C?
The directions tell you to dissolve 680g of sodium hydrogen sulfate, NaHSO4, in 3.4L of water. What is the concentration of this solution in g/100mL?
American-based companies are required to adhere to U.S. GAAP (Generally Accepted Accounting Principles), however, as commerce moves toward a global marketplace other countries have adopted IFRS.
What does Microsoft mean by the term "Reclassification adjustment for gains (losses) included in net income"? Can you think of an instance where reclassification adjustment could be used unethically?
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