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Nitrobenzene can be nitrated with a mixture of nitric and sulfuric acids. Draw the product that contains two nitro groups. Include all formal charges.
draw all three resonance structures for the carbocation intermediate that results from STEP 2 in the electrophilic aromatic substitution reaction when benzoic acid reacts with Br2 in the presence of FeBr3
Determine the volume of oxygen gas required to completely combust 3.5 mol of propane in a bbq at standard pressure and 28.0C
If a 1000 kilogram sample of rock is 0.021% gold by mass, how much zinc is needed to react with the gold extracted from the rock? Assume that the reaction is 100% efficient.
if the freezing point of pure toluene is -95.15 oc and its freezing point depression constant is -8.38 ocmolal what is
If you have 100 ml of pure water and add to it 100 ml of 2.0M HC2H3O2. What will be the final solution pH
How many mL of a 0.8 M NaOH(aq) solution are required to make 500 mL of a solution with pH=12.50?
The mass of NaNO3 used is 8.5866 grams. Calculate q(system), using 4.184 J/(g x C) and 1.0 g/mL for the specific heat and density of the solution and 1.0 x 10^1 J/C for the heat capacity of the calorimeter.
determine the footing width for a one-story 800 square feet conventional wood-frame house with a 2:1 length-to-width ratio to be constructed on a site in a warm climate with the following soil
For the cell reaction Cu(s) + 2Fe3+ ----> 2Fe2+ + Cu2+ Ecell=0.33V What is the value of the equilibrium constant at 25C for the cell reaction
The concentrationof the alkane C20H42 (FM= 282.55) in a particular sample in rain water is 0.2ppb. assume that the density of the rain water is close to 1.00 g/ml and find the molar concentration of C20H42.
bring 5ml of bromophenol blue to your work station. obtain a P20 Pipetman and record below the digits you see in the window on the side. What volume is the micropipette set to deliver
The Keq of a biochemical reaction is 19.0. Calculate the standard free energy change associated with this reaction. (R=1.987, T=298, Lnx=2.303 log10X).
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