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Car battery acid is sulfuric acid. Calculate the hydroxide concentration of a sample of battery acid that has a pH of 0.79. Record your answer in scientific notation with proper significant digits.
Record only your final answer using scientific notation with the correct number of significant digits. Do not include units. Use the editor to insert the x and the superscript.
Activating effects question: Using resonance contributors, explain why the nitrile group is a deactivator and a meta director in electrophilic aromatic substitution. A drawing would be helpful too.
While in Europe, if you drive 113 km per day, how much money would you spend on gas in one week if gas costs 1.10 \rm euros per liter and your car's gas mileage is 42.0 mi/gal. Assume that 1 euro = 1.26 dollars.
If 3.00g of hydrosulfuric acid is reacted with 3.00 g of silver nitrate, calculate the mass (in g) of solid silver sulfide formed.
Derive an expression for the subsequent concentration of sodium chloride c in terms of c0, t, Q, and V. Make a sketch of c versus t and label the main features.
Determine the following characteristics of the titration curve for 20.0 mL of 0.20 m NH3(aq) tiltreated with 0.25 m HI(aq) A) The initial pH B) The volume of 0.30 M HI at the equivalence point c) The pH at the half equivalence point
1 a liquid sample that weighs 2.585 g is a mixture of butane c4h10 and hexane c6h14. when the sample is combusted in an
Determine the number of fundamental particles present in 54.341 g of Li2SO4. Properly include molecules or formula units in your answer.
The half-life of a first order decomposition reaction is 2.36 hours. If the initial concentration of reactant is 0.52M, what is the concentration of reactant after 752 seconds
it is given ab2 a 2b- a 0.07 m b- 0.09 m and pk 6.75 standard enthalpies of formation acetic and ab2 - 25.65 kcal
It is known that the ^2P terms lies at 670.78nm above the ground state. whcih is 1s^2 2s^1 ^2S. calculate the ionization energy ofthe ground state atom
Compute the volume (in mL) of a 0.410 M KOH solution that must be added to 4.250 g of HEPES (MW=238.306 g/mol, pKa = 7.56) to give a pH of 7.36.
The total pressure of a mixture of N2O4 and NO2 is 1.5 atm. If Kp=7.1 (at 25 degrees C) calculate the partial pressure of each gas in the mixture.
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