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Titration of a 10.0mL solution of KOH requires 22.0mL of 0.0310M H2SO4 solution.What is the molarity of the KOH solution?
When current is allowed to flow, which species is oxidized. What is the value of E0cell
calculate how many joules are needed to heat 18.2g of tin from 24cdeg to 37.7cdeg?we needed a 50ml of a 0.1 m tris
What is the hydronium-ion concentration of a 4.07 10-4 M solution of p-bromobenzoic acid, BrC6H4COOH, for which Ka = 1.00 10-4
Calculate the number of grams of sulfuric acid in 1 gallon of battery acid if the solution has a density of 1.33g/mL and is 38.9\% sulfuric acid by mass.
Nicotine in cigar smoke (pH is much more readily absorped through the mucous membranes of the mouth than is nicotine in cigarette smoke pH
When the concentrations of CH3Br and NaOH are both 0.165 M, the rate of the reaction is 0.0050 M/s. What is the rate of the reaction if the concentrations of CH3Br and NaOH are both increased by a factor of four
In Denver, the Mile-High City, water boils at 95 C. What in atmospheres in Denver Hvap for H2O is 40.67 kj/mol
Which MO is the HOMO and which is the LUMO in the excited state 5. How many nodes does the highest-energy molecular orbital of 1,3,5,7-octatetraene have between the nuclei
Hospital X-ray generators emit X-rays with wavelength of about 15.0 nanometers (\rm nm), where 1\;{\rm nm}= 10^{-9}\;{\rm m}. What is the energy of the X-rays
What NaCl concentration results when 219 mL of a 0.740 M NaCl solution is mixed with 492 mL of a 0.350 M NaCl solution?
Identify the oxidation-reduction reactions among the following.
What is the major disadvantage of using concentrated sulfuric acid (or hydrochloric acid) rather than 85% phosphoric acid for the dehydration of alcohols?
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