What mass of salt added to water to raise boiling point
What mass of salt would have to be added to 1000.0 mL of water in order to raise the boiling point of the solution by 0.5 C? Assume the ideal van't Hoff factor for NaCl.
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What molal concentration of salt is needed to lower the freezing point to -3.97 C? Assume that the solution is ideal, and that the van't Hoff factor for NaCl is the expected (ideal) value.
The osmotic pressure of the solution is measured to be 8E-4 bar at 25 C. What is the calculated molar mass of the protein?
Two runners start simultaneously from the same point on a circular 200m track and run in opposite directions. one runs at a constant speed of 6.2m/s and the other runs at a constant speed of 5.5 m/s. When they first meet.
Metzler Communications designs and programs a website for a local business. Metzler charges $46,000 for the project, and the local business signs an 8% note January 1, 2013.
A supply plane flies at 55m/s and has a constant height of 250m towards a point directly above a victim, where a crate is to land. a) At what angle should the pilot aim when he releases the crate?
During January, Kroger paid $9,150 for supplies to be used in sales to customers during the next 2 months (February and March). The supplies will be used evenly over the next 2 months.
The Ryan manufacturing company received its bank statement for the month ending May31. The bank statement indicates a balance of $32400. The cash account as of the close of business on May 31 has a balance of $8350.
Draw the Newman projections for the anti and gauche forms of 1,2-dibromoethane. The molecule has a dipole moment of 1.0 D.
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