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Octane is a liquid component of gasoline. Given the following vapor pressures of octane at various temperatures,estimate the boiling point of octane in Leadville, Colorado, where the atmospheric pressure is 496 mmHg.
400 mmHg at 104oC500 mmHg at 111oC600 mmHg at 117oC700 mmHg at 122oC760 mmHg at 125oC
Determine the molarity of a solution prepared by dissolving 4.50 mol of NH4Cl in sufficient water to make 2.00 L of solution.
How do you correctly draw the lewis structure for acetone, (CH3)2OH. step by step, and reasoning for the structure.
If the Ecell measures 1.40 V, what is a more accurate molar concentration of Cr3+, assuming the molar concentration of Ag+ is accurate. What is the sign of the cathode in a galvanic cell. What type of reaction occurs at the cathode.
A nuclear power plant operating at 40.0% efficiency produces 1132 MW of usable power in 1.00 year and consumes 1.16×10^6 g of uranium-235. What is the energy in joules released by the fission of a single uranium-235 atom. Answer in Joules/atom.
When 1717 J of heat energy is added to 40.0 g of ethanol, C2H6O, the temperature increases by 17.5 °C. Calculate the molar heat capacity of C2H6O.
A gas sample containing N2 and O2 was found to contain 72% N2. If the pressure of the sample was 2.0 atm, what is the partial pressure of O2?
at 25 c kc1.61024 for the reaction caosco2gcaco3s. use the value of kc to extimate by calculating the extent of this
The solubility of PbI2 in water is 0.62 g in 1.0 L of water at 25 degrees C. What is the value for Ksp for PbI2
1) What volume (mL) of Hydrogen gas, saturated with water vapor, will be obtained from a 0.1138g sample of alloy which is 73.2 percent Al? (Pbar=754.3 torr, T=21.2deg C) Show your work. 2) What volume (in mL) will the dry hydrogen gas from questio..
Just as you are about to start making them, you get a call saying that the number of people coming to the meeting has doubled! Your original recipe called for three eggs. How many eggs do you need to make twice as many muffins
A certain toilet cleaner uses NaHSO4 as its active ingredient. In an analysis, 0.500 g of the cleaner was dissolved in 30.0 mL of distilled water and required 57.4 mL of 0.00535 M NaOH for complete neutralization in a titration.
What molar ratio of sodium acetate to acetic acid should be used to prepare a buffer with pH = 4.5? Ka acetic acid = 1.8 x 10-5.
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