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The butylammonium ion, C4H9NH3^(+), has a Ka of 2.3x10^(-11) C4H9NH3^(+) + H2O > H3O^(+) + C4H9NH2 A. Calculate Kb for the conjugate base, C4H9NH2 B. What is the pH of a 0.015M solution of butylammonium chloride?
at what temperature should the tube be maintained to have a partial pressure of 1.0mm of O2 in the exit gas? Assume that the total pressure of the gas in the tube is 1.30atm.
Draw the lewis structure of BeF2. I think its suppose to be an incomplete octet but why becuaseif you place two double bonds Be is complete.
metal a was determined to be 95extracted into methylene chloride with dethizone at ph6 when equal volumes of aqueous
Calculate the molar mass that would be obtained from the actual experimental data under the following conditions. The unknown is methyl propyl ether (CH3OC3H7)
Determine the procedure to make 250ml of 0.1M H3PO4 from concentrated 85%(by mass) H3PO4.
A solution containing a mixture of metal cations was treated with dilute HCl and no precipitate formed. Next, H2S was bubbled through the acidic solution
Treatment of the following stereoisomer of 1-bromo-1,2-diphenylpropane with sodium ethoxide in ethanol gives a single stereoisomer of 1,2-diphenylpropene. Draw the E2 elimination product of the reaction.
If 5.02 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
A gas expands and does P-V work on the surroundings equal to 343 J. At the same time, it absorbs 159 J of heat from the surroundings. Calculate the change in energy of the gas.
How many grams of AgNO3 must be added to 83.0 g of water to make a 2.62 m aqueous solution of AgNO3.
if a sodium hydroxide solution were added to a solution containing leadii ions sodium ions nickelii ions and potassium
What potential issues might arise if the pH of your buffer is too close to the pI of your protein of interest? Why might an extreme buffer pH ( 9) be unsuitable?
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