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Rank the following organic molecules from lowest to highest boiling point. Use the letters A, B, C to identify each molecule in the list and use the appropriate <, =, or > symbol to separate substances in the list.
(Part A)CH3CH2OCH3 CH3CH2CH3 CH3CH2CH2OH
Properties of Electrolyte Solutions, In the winter of 1994, record low temperatures were registered throughout the United States. For example, in Champaign, Illinois, a record low of -29 F was registered.
at 75 degrees celsius, a gas has a volume of 3.22 dm^2. What volume will it occupy at 75 k?
During this process, 346 J of work was done by the system and its internal energy 9185 J. What is the specific heat of the gas?
Calculate the osmotic pressure for the solutions in prob # 14 and 20 when each is at 10.500C? (dEtOH= 0.789g/ml, dMeOH= 0.712g/ml)
The flow-through fraction in ion exchange chromotography of amino acids in which a cation exchange resin was used is expected to contain mainly
How the two solutions are properly mixed together? What is the role of the meniscus in this process?
What is the percentage purity of your ldh column fraction? 2. How many total mg of ldh are there in your column fraction?
Draw the three different plates you would expect from obtaining a TLC from ibuprofen on silica gel using (a) toluene, (b) ethyl acetate, and (c) methanol as the eluting solvents
An ideal gas flows through a horizontal tube at steady state. no heat is added and no shaft work is done.the cross sectional area of the tube changes with length and this causes the velocity to change
When 25.0 g of Zn reacts, how many L of H2 gas are formed at 25 °C and a pressure of 854 mmHg?
total of 2.00 mol of a compound is allowed to react with water in a foam coffee cup and the reaction produces 149 g of solution. The reaction
The enthalpy of vaporization of water at 373 K and 1 bar is 40.7 kJ/mol and the molar heat capacities are 75.3 J/(mol K) for liquid and 33.6 J/(mol K) for gaseous water. Find the enthalpy of vaporization of water at 273 K and 1 bar.
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