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Explain how many kilograms of chlorine are in 25 kg of each of the following chlorofluorocarbons (CFCs)?
a) CF2Cl2b) CFCl3c) C2F3Cl3d) CF3Cl
using p-aminobenzoic acid give equations showing how procaine and procaine monohydrochloride could be prepared. which
what product would you expect to obtain from the mixed claisen condensation between ethyl acetate and diethyl oxalate?
hematite iron ore weighting 70.7g was placed in a flask whos volume was 53.2ml. the flask with hematite was carefully
Calculate the ratio of CH3NH2 to CH3NH3Cl required to create a buffer with pH = 10.10 [CH3NH2]/[CH3NH3CL] = ? I know that the answer is 0.34 but is not wright to write it in this way in mastering chemistry and they are errors in the submission
benzene is often produced as a by-product during the synthesis of phenylmagnesium bromide. how can its formation be
to determine the number of molecules present in air using the ideal gas law and avogadros number.assuming that air
A solution made by adding solid sodium hypochlorite (NaClO) to enough water to make 2.00 L of solution has a pH of 10.50. Calculate the number of moles of NaClO that was added.
A weak acid (HA) is found to ionize 17.8% when mixed at a concentration of 0.3 mol/L. What is the value of Ka for this acid?
When preparing the solutions for Part A, an aqueous solution of diamine and NaOH is made. Why isn't a solution of NaOH and diacid chloride in cyclohexane made
Cyclohexane has a freezing point of 6.50 degrees C and a Kf of 20.0 degree C/m . What is the freezing point of a solution made by dissolving 0.463g of biphenyl (C12H10) in 25.0g of cyclohexane
Suppose the exhaust from an automobile contains 1% by volume of carbon monoxide. Make the calculation at 25 degrees celsius at 1 atm. What is the concentration in %
The mysterious peptide X is a nonapeptide that cannot be sequenced by Edman degradation. However, it is susceptible to cleavage by proteases, and the resulting peptide fragments can be sequenced.
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