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Write the lewis formula for the reactant and product species in the following chemical equation. Include nonbonding electrons. 2OH yields H2O2.
A student was preparing to recrystallize a solid using mixed-solvent recrystallization. He planned to dissolve the sample in boiling methanol, and then add hot pentane to induce crystallization
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.500 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.74? Kb for ammonia is 1.8*10^-5.
Cl2(g) + F2(g) 2 ClF(g) Kc = 19.9 For the reaction forming ClF the initial concentrations are as follows: [Cl2] = 0.5 M ; [F2] = 0.2 M ; [ClF] = 7.3 M Is the reaction at equilibrium? If not, in which direction with the reaction shift to reach eq..
The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are present in 2.00 L of the diluted spray
Draw the skeletal structure of the final major organic product resulting from the following sequence of reactions.
Write net ionic equations for each of the precipitation reactions used to identify each of the cations in Group A (Al3+, Fe3+, and Mn2+) and B (Ba2+, Ca2+, and Mg2+).
Use the van der Waals equation of state to calculate the pressure of 4.00 mol of NH3 at 455 K in a 5.90-L vessel.
On the basis of their positions in the periodic table, select the atom with the larger atomic radius in each of the following pairs.
If you wish to obtain 10.0 grams of copper metal from copper(II) sulfide, what mass of copper(II) sulfide (in grams) must you use?
Calculate the ratio of HCL molecules in the first excited rotational state to those in the ground state @ 25 C. Assume an equilibrium bond distance of 1.275 angstroms.
A quantity of 4.00 102 mL of 0.600 M HNO3 is mixed with 4.00 102 mL of 0.300 M Ba(OH)2 in a constant-pressure calorimeter of negligible heat capacity. The initial temperature of both solutions is the same at 18.76°C. What is the final temperature ..
In the preparation of amides, acid chlorides or anhydrides may be used to react with the selected amine. It is known that acid chlorides are more reactive than the corresponding anhydrides in this type of nucleophilic acyl substitution reaction.
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