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Write the mechanism for the nitration of toluene showing explicitly why ortho and para products are favored over meta
If you are given sodium acetate and asked to make a .5 M acetate buffer at pH 4.75, will you have to add acid, base, or nothing in order to achieve the proper pH? What is the approximate pH after adding the sodium acetate?
When 0.941 mol of gaseous HI is sealed in a 1.00-L flask at 225°C, it decomposes until the equilibrium amount of I2 present is 0.171 mol: 2HI(g) ? H2(g) + I2(g) Use these data to calculate Keq for this reaction at 225°C
Bromothymol blue is a common acid-base indicator. It has a Ka equal to 1.6 X 10^-7. Its unionized form is yellow and its conjugate base is blue. What color would a solution have at pH=5.8?
predict the distance between si atoms in solid silicon. how does this compare to the distance between c atoms in
What are the quantum numbers associated with the last electron[highest energy] in ground state Zn. please be very explicit as to the process and confer all of your internal dialog as you perform the exercise.
Suggest a way this might work based on knowledge of phase equilibrium. To do this first consider air to be made up of only N2 (78 mole %), O2 (21%), and Ar (1%) and estimate the mole fractions of each in both liquid and gas phases if one mole of a..
Question- Which transition metal ion in a metal complex has the possibility of being diamagnetic in the presence of an octahedral array of ligands
Find out the H°rxn in units of kJ/mol NaOH for the neutralization reaction between aqueous NaOH and HCl. Assume that no heat is lost to the calorimeter or the surroundings, and that the density and the heat capacity of the resulting solution are t..
What are the elements with eight electrons in their outermost energy shell are called as What are metalloids?
Acid and base
which of the water samples that you tested had the highest calcium concentration? does this correlate with the total dissolved solids results you obtained
This diluted sample was thoroughly mixed then a 25.0mL sample of the diluted vinegar was titrated with 0.1M NaOH. The titration required 35.48mL of the base to reach the endpoint. Explain what is the percent by mass of acetic acid in the specially..
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