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A. What is the mole fraction of O2 in a mixture of 5.09 g of O2 in a mixture of 5.09 g of O2 7.19 g of N2 and 1.32 g of H2
B. What is the mole fraction of N2 in a mixture of 5.09 g of O2 7.19g of N2 and 1.32 g of H2
C. What is the mole fraction of H2 in a mixture of 5.09 g of O27.19 g of N2 and 1.32 of H2 Answers a-c in percent
D. What is the partial pressure in atm of O2 of this mixture if it is held in 12.60-L vessel at 15 degrees celcius
E. What is the partial pressure in atm of N2 of ths mixture if it is held in 12.60-L vessel at 15 degrees celcius
F. What is the partial pressure in atm of H2 of this mixture if it is held in a 12.60 -L vesssel at 15 degrees celcius
Calculate the freezing point and boiling point of a soultion of 383g of glucose dissolved in 400. g of water.
A 0.2 M sodium chlorobenzoate (NaC7H4ClO2) solutions has a pH of 8.65. Calculate the pH of a 0.20 M cholorbenzoic acid (HC7H4ClO2) solution.
The solubility of AgCl(s) in water at 25 degrees C is 1.33*10^-5 mol/L and its deltaH0 of solution is 65.7 kJ/mol.
The temperature of a 2.o-liter sample of helium gas at stp is increased to 27 degrees Celsius and the pressure is decreased to 80kpa what is the new volume of the helium sample?
the heat of vaporization of water 40.66 kjmol at 100 degc. compute the quantity of heat that is absorbedreleased when
What is the pH of 270.0 mL of an aqueous solution containing 0.525 g of the strong acid trifluoromethane sulfonic acid (CF3SO3H)?
nitrous oxide n2o is sometimes called laughing gas. what is the formal charge on the central nitrogen atom in the best
The normal respiratory rate for a human being is 25.0 breaths per minute. The average volume of air for each breath is 505 cm3 at 20.0 degrees Celsius and 9.95 times ten to the fourth Pa.
A biochemist wants to utilize the following oligopeptide for biochemical assays. Estimate the number of charges on this peptide at different pH conditions by considering the charge states of amino acid residues at pH 2, pH 7.4 and pH 10.
What is the latent heat of vaporization Tsat in kJ/mol? (Answers are 1366 kW and 28.4 kJ/mol) Please show work for good rating.
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?
The blank solution used to calibrate the spectrophotometer s 10.0mL of 0.2 M Fe(NO3)3 diluted to 25.0 mL with0.1 M HNO3. Why is this solution preferred to simplyusing de-ionized water for the calibration
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