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How much energy (in kilojoules) is released when 22.5g of ethanol vapor at 97.0 Celsius is cooled to -10.0 Celsius? Ethanol has mp = -114.5 Celsius = 78.4 , = 38.56 and = 4.60 kJ/mol . The molar heat capacity is 113 J/(k.mol) for the liquid and 65.7J/(k. mol) for the vapor?
A gas mixture with a total pressure of 750 mmHg contains each of the following gases at the indicated partial pressures: CO2, 253 mmHg ; Ar , 133 mmHg; and 02, 166 mmHg . The mixture also contains helium gas. What is the partial pressure of the he..
An unknown alcohol of molecular formula C4H10O forms only one alkene when treated with sulfuric acid. No reaction is observed when the alcohol is treated with oxidizing reagent. Draw the structure of the alcohol.
Calculate the heat required to convert 25.0 g of C2Cl3F3 from a liquid at 5.00 degress celsius to a gas at 82.00 degrees celsius.
Discuss the merits and disadvantages of dispensing a drug as a reacemic mixture or as a single enantiomer.
If 13.0g of CCl3F is enclosed in a 1.2-L container, what mass of liquid will be present, when the vapor pressure of CCl3F at 300K is 856 torr?
the water solubility of L-alanine is 127g/L at 25 degrees celsius, what is the water solubility of D-alanine at 25 degrees celsius?
The concentration of carbon in a carbon-metal alloy is found to be 4.73x10^1 kg/m3. It is also known that the concentration of carbon in wt% in the alloy is 1.318x10^0 .
If a 0.350g tablet of NaOH is added to 100ml of 0.6 M H3PO4, how much water will be produced?
Number of Moles and Conversion, a) Number of moles of carbon atoms in 0.585 moles C4H10
Calculate the capacity factor for decane on HP-1 column (25 m length, 0.25 mm I.D., 0.5 mkm film thickness) at 120 C. Explain.
Calculate the minimum number of grams of propane, C3H8(g), that must be combusted to provide the energy necessary to convert 3.28 kg of ice at -11.0°C to liquid water at 80.0°C.
How many grams of steam at 105 degree celcius must be mixed with 25g of ice at -15 degree celcius in an adiabatic calorimeter with a heat capacity of zero in order to produce a final mixture
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