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1. The boiling point of an aqueous solution is 102.47 °C. What is the freezing point? 2. Menthol is a crystalline substance with a peppermint taste and odor. When 1.07 g of menthol is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 5.71 °C. The freezing point and Kf constant for cyclohexane can be found here. Calculate the molar mass of menthol.
Evaluate the operating conditions of the chiller - what temperature must the chiller operate if the product streams are also at 1 atm total pressure?
The atmospheric pressure at the summit of mount mckinley is 575 mmHg on a certain day. What is the pressure in atmospheres and in kilopascals?
a sample of air contains 78.08% nitrogen, 20.94% oxygen, .05%carbon dioxide and .930% argon by volume. How many molecules of each gas are present in 1 liter of the sample at 25 degrees celsius and 1 atmosphere?
A 27.0-g sample of water at 270. K is mixed with 49.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
If 32mL of 7.0M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?
Ionization energy is the energy required to remove an electron from an atom in the gas phase. The ionization energy of lead is 715.0 kJ/mol.
At a particular temperature and 2.00x10^-2 M, concentration versus time data were collected for the reaction, and a plot of the natural log versus time resulted in a straight line with slope value of -2.97x10^-2 min^-1. Determine the rate law, int..
Identify the most stable arrangement of the regions of high electron density. Diagram and name the type of structure that the molecules has based on positions of the atoms.
Calculate the mass of Cu(NO3)2·3H2O needed to prepare 50.0mL of a 0.50 M Cu(II) solution?
Why can't i reduce carboxylic acid using sodium borohydride while lithium aluminium hydride can do the same thing.
mixture(O,H) is ignited with a spark and it reacts to form (H2O)liquid water. determine the temperature of water.
A sample of gas is heated. During the heating process, the volume of the gas increases 1.7 times. If the initial temperature of the gas is 80degrees C. what is the final temperature of the gas?
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