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What is the morality of an unknown sulfuric acid solution if it takes 23.35 mL of a 0.3335 M lithium hydroxide solution to neutralize it?
The Henry's Law constant for CH3Br gas in water at 25 oC is 0.159 mol/L-atm. Calculate the solubility of CH3Br in water at 25 oC in moles/L if the partial pressure of CH3Br in the headspace above a water sample is 1.71 atm.
A solution is made up by dissolving 73 g of glucose in 966 g of water. Calculate the activity coefficient of glucose in this solution if the solution freezes at -.66 degrees C.
Alkenes and non conjugated dienes usually have absorption maxima below 200nm. Compounds that have conjugated multiple bonds have maxima at wavelengths longer than 200nm.
For the gas-phase reaction 2 NO2 + F2 → 2NO2F, the rate constant k is 38 M-1s-1 at 27° C. The reaction is first order in NO2 and first order in F2.
A mixture of table salt and ice is used to chill the contents of hand-operated ice-cream makers. What is the melting point of mixture of 2.00 lb of NaCl and 12.00 lbs of ice if exactly half of the ice melts?
Calculate the Pickering series wavelength associated with the excited state ni = 9.What region of the electromagnetic spectrum does this transition fall in?
How many molecules of oxygen react with 133 molecules of acetylene (HCCH) to produce carbon monoxide and water
where the atmospheric pressure is 1.00 atm. the balloon rises to an altitude of 20,000 m where atmospheric pressure is 65 mmhg and the temperautre is 210k. What is the volume of the balloon at 20,000m?
Calculate the concentration of NO3- ion remaining in solution.
What percent of bacetrial cell wall will be hydrolyzed at the end of 3 minutes assuming product formation is in 1st order of reaction? b) What will be a concentration of hydrolyzed product at the end of 4 minutes?
What is the vapor pressure (in torr) above a solution prepared by mixing 47.89 g of water, H2O, with 47.65 g of ethanol, C2H5OH, at 63.50 °C?
Find the reaction order using a Powell plot or the fractional-life method and also estimate the rate constant
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