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The fluorocarbon compound C2Cl3F3 has a normal boiling point of 47.6°C. The specific heats of C2Cl3F3(l) and C2Cl3F3(g) are 0.91 J/g-K and 0.67 J/g-K, respectively. The heat of vaporization for the compound is 27.49 kJ/mol. Calculate the heat required to convert 27.0 g of C2Cl3F3 from a liquid at 12.00°C to a gas at 68.00°C.
the liberated CO2 was collected on calcium oxide and found to weigh .0515g. Calculate the percentage of aluminum in the sample
Calcium carbide reacts with water to form acetylene and calcium hydroxide. From the following enthalpy data calculate Delta Hf for CaC2
The following reaction was monitored by measuring the partial pressure of oxygen. The pressure was measured at 25 degrees Celsius.
The first three reactions of the b oxidation pathway are similar to three reactions in the Kreb's cycle. Which three and why are they similar
A cook wants to heat 1.73 kg of water from 30.0C to 100.0C .If he uses the combustion of natural gas (which is exothermic) to heat the water, how much natural gas will he need to burn.
The specific heats of solid and liquid ethanol are 0.97 J/g-K and 2.3 J/g-K, respectively. How much heat (kJ)
1 liter of sodium carbonate 0.4 M is added to 1 liter HCl 0.3 M what is the excess material and how many moles remains?
You have a stock solution of 14.2 m NH3 . How many milliliters of this solution should you dilute to make 1350 mL of 0.220 M NH3
In the purification process, the organic layer is washed sequentially with 2 M NaOH, water, and saturated aqueous sodium chloride. What is the purpose of each of these washes and why is cold 2 M NaOH recommended
explain why the chemical formulas AlCl3, PCl3 and CoCl3 are so similar, yet their names are so different.
By what percentage does a dilute aqueous solution expand when heated form 15 degrees C to 25 degrees C? If a 0.5000 M solution is prepared at 15 degrees C,
Using the Maxwell-Boltzman function, calculate the fraction of Argon gas molecules with a speed of 305 m/s at 500 K.
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