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The reactivities of phenol and aniline in the direction of bromination change when the reaction is performed in sulfuric acid rather than aceticacid. Explain why
A solution of HNO3 is standardized by reaction with pure sodium carbonate: 2H+ + Na2CO3 ---> 2Na+ + H2O + CO2 A volume of 23.66 ± 0.04 mL of HNO3 solution was required for complete reaction with 0.814 ± 0.0009 g of Na2CO3
For the cyclohexanes substituted in the positions indicated, identify the substituents as either axial or equatorial in chair conformers. For example, a 1,2-cis relationship means that one substituent must be axial and one equatorial.
When 1.926 g of succinic acid was dissolved in water and titrated, 65.20 mL of 0.5000M NaOH solution was required to neutralize the acid. How many acidic hydrogens are there in a molecule of succinic acd
Show a series of reaction by which acetylene and an alkyl halide could be converted into 3-methylhexanoic acid. Show all steps and all needed reagents/conditions. (Remember that the carbon with the functional group should have the lowest number.
The following half reaction takes place in a lead storage battery used in automobiles: Pb(s)+SO4^2-(aq)>PbSO4(s)+2e^- a)is the half reaction an oxidation or reduction
What is the density of a gas in g/L that has a molecular weight of 144, if the temperature and pressure is 25 degree C and 750 mmHg?
a 493 ml sample of solution contains 33.2 g of cacl2. calculate the molar concentration of cl in this
in the presence of nitric acid uo2 undergoes a redox process. it is converted to uo2 and nitric oxideno gas is produced
Explain what is the wavelength of a photon of electromagnetic radiation having a photon energy of 4.56 x 10 (-19 exponent) J
Under what circumstance is the rate law related directly to the balanced equation for a reaction
If you place 1.66g of CuS(s) into a beaker of distilled water, what will be the cation(aq) concentration (in molarity) at equilibrium
A compound was analyzed and found to be composed of 75% cardbon and 25% hydrogen. What is the Empirical formula of this compund
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