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1a) Calculate the volume of 6M NaOH required to react completely 0.3042g methyl salicylate. How much of the 6M NaOH used was in excess of the theoretical amount? b) What volume of 3M H2SO4 is needed to neutralize all of the disodium salicylate and the excess NaOH present after the initial reaction? How much sulfuric acid was in excess?
consider c7h16 l 11 o2 g rarr 7 co2 g 8 h2o l deltahreaction- 4130 kj. how much energy is released when 4.000 moles
The standard free energy of activation of a reaction X is 89.4 kJ mol-1 at 298 K. Reaction Y is one million times faster than reaction X at the same temperature.
When the solution is found and titrated with aqueous sodium hydroxide, the endpoint is reached after the addition of 27.80 mL of base solution. How many moles of NaOH reacted?
after you preform your experiment you determine that the kf value for naphthalene is 6.91 . you are using 10g of
Calculate the molarity of a solution made by dissolving 0.0715 mol Na2SO4 in enough water to form exactly 550. mL of solution
Determine At what temperature does C 6 H 6 boil when the external pressure = 470 torr?
Sulfur forms a wide variety of compounds in which it has +6, +4, +2, 0 and -2 oxidation states. Give examples of sulfur compounds having each of these oxidation states
An electron in the ground-state He+ ion undergoes a transition to a state described by the wavefunction R4,1(r)Y1,1(?,). (a) Describe the transition using term symbols. (b) Compute the wavelength, frequency, and wavenumber of the transition.
Determine the energy of a photon of each of these wavelengths. Which photon possesses more energy, the red or the purple
How many centimeters does light travel in 5.00 years (given that the velocity of light is 3.00 \times 10^{10} {\rm cm}/{\rm s})? Express your answer with the appropriate units.
What is the energy required to change a spherical drop of water with a diameter of 1.40 mm to two smaller spherical drops of equal size?
a balloon filled with helium gas has a volume of 361 ml at a pressure of 1atm. the balloon is released and reaches an
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