Which of the following substances has the lowest boiling point?C12H16 CH2Br2 Br2 ICl
How much energy in kJ will it take to melt 5.0 g of frozen Ar at-190o C?
T/F if methane was at -50o C it cannot be made toliquify at any pressure.
If H2O at -1.0o C and 1.0 atm has enoughpressure applied to it, what phase change, if any, can occur?
| solid to liquid |
| liquid to solid |
| stays solid |
| stays liquid What is the concentration in percent by mass when a solution isprepared by dissolving 8.00 g of NaCl into 70.0 g of water? What kind of solute gets more soluble as the temperature of thesolvent decreases? The normal vapor pressure of water at 30o C is 31.82mmHg. When 25.0 g of glucose(C6H12O6) are dissolved in 25.0 gof water at 30o C, what is the solution's vaporpressure? What is the freezing point of a solution made up of 150.0 g ofbenzene (normal fp=5.5o C, Kf=5.12oC/m) with 0.200 moles of naphthalene dissolved inthem? |
