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Explain what volume of a 0.550 M NH4I solution is needed to react with 759mL of a 0.280 M Pb(NO3)2 solution
Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C6H5CO2H) and 0.15 M sodium benzoate (C6H5COONa). [Ka = 6.5 ? 10-5 for benzoic acid]
Which of the following ideal aqueous solutions would be predicted to have the highest vapor pressure
Because of increasing evidence of damage to the ozone layer, chlorofluorocarbon (CFC) production was banned in 1996. However, there are about 100 million auto air conditioners that still use CFC-12 (CF2Cl2). These air conditioners are recharged fr..
A single sp^3 hybrid orbital has a) one lobe b) two lobes of equal size c) two lobes of unequal size d) four lobes of equal size
Draw a representation of the 3-D structure of the anion, including only the bonding-pair electrons, and any sulfur lone-pair electrons. What is the orientation of the oxygen atoms with respect to each other around the S?S bond?
Explain if the equilibrium would be shifted by adding a noble gas and increasing the total pressure.
A company is marketing a photovoltaic cell that it claims has an output of 320 W/m2 when tested at the standard 1000 W/m2 irradiation condition
If you thought you had discovered a new element, how could you get the scientific world to accept your discovery. What roadblocks might you face, working outside the science community. How could you avoid being labeled a "crackpot"
The titration of a weak acid with NaOH showed Two equivalent points. Using only this information, determine the relationship between the molarity and normality of this acid solution
How much heat does your body lose when 2.60 of sweat evaporates from your skin at 25 ? (Assume that the sweat is only water.) The heat of vaporization of water at 25 degrees C is 44.0g.
If the Ka of a monoprotic weak acid is 1.4 × 10-6, what is the pH of a 0.33 M solution of this acid
Calculate the fraction of hexane molecules that reside in the vapor above the solution
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