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Could you please show the reaction in six steps with the curved arrow mechanism, show all the lone pairs,complete the structure of sulfuric acid or the hydrosulfate ion as necessary and complete eac
What is the pH of a solution made by mixing 40.00 mL of 0.100 M HCl with 25.00 mL of 0.100 M KOH? Assume that the volumes of the solutions are additive.
Which of the following compounds will have the highest molar solubility in pure water. Answer A. PbSO4, Ksp = 1.82 × 10-8 B. MgCO3, Ksp = 6.82 × 10-6 C. AgI, Ksp = 8.51 × 10-17 D.
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter your answer with 2 decimal place
A certain atom has an energy level 3.70eV above the ground state. When excited to this state, it remains 9.00%u03BCs , What is the wavelength of the photon
why is it that when kcl is dissolved water condenses on the outside of the beaker. Also, is condensation exothermic or endothermic
The equilibrium constant will decrease. C. The reaction will shift to the left in the direction of reactants. D. The equilibrium constant will increase. E. The reaction will shift to the right in th
The solubility of PbBr2 in water is 4.21 g in 1.0 L of water at 25 degrees celcius. what is the kp for lead (II) bromide
A 30.0 mL sample of 0.30M HClO (aq) is titrated with 0.20 M NaOH (aq). Ka of HClO is 3.5*10^-8. a. What volume of base is needed to reach the equlivance point. b. Determine the pH of the equlivance
Calculate the pH of the solution after 52.00 mL of HNO3 is added. What is the: 1) moles of KOH: 2) moles of HNO3: 3) [H3O]+: 4) pH of the solution
consider an atomic nucleus to be equivalent to a one-dimentional infinite potential well. what is the wavelength of the emitted light
A step-up transformer has 20 turns on the primary coil and 720 turns on the secondary coil. what input current and voltage are needed
A reaction has an equilibrium constant of 8.2 X 10^3 at 298 K. At 764 K , the equilibrium constant is 0.53. Find Delta H rxn for the reaction.
A wagon is being pulled up a hill by a running child. Derive the work done by friction on the wagon
A loop of diameter d = 12 cm, carrying a current I = 0.4 A is placed inside a magnetic field B = (0.2 T) i^+ (0.4 T) j^. What is the potential energy of the loop
Why does aluminum hydroxide readily dissolve in concentrated NaOH but not in concentrated NH3? Please give a thorough explanation, not just a short answer.
In changing the state of a gas adiabatically from an equilibrium state A to another equilibrium state B, how much is the net work done by the system in the latter case
A bicyclist is finishing his repair of a flat tire when a friend rides by at 3.8 m/s. How far has he traveled in this time
Why does aluminum hydroxide readily dissolve in concentrated NaOH but not in concentrated NH3. Please give a thorough explanation, not just a short answer.
Randomly polarized light of intensity I0 is passed through two polarizers whose transmission axes differ by 45 degrees. What is the intensity of the light
plane polarized light of intensity I0 is passed through two polarizers, the first one at 45 degrees to the original plane of polarization, what intensity is transmitted
Calculate the number of moles of NaOH in the Solution. 0.0395 moles Calculate the value (calories) for the heat of solution. -343 cal Calculate the ?Hsolution for sodium hydroxide
A computer can fetch information from the memory in 3.0 ns, a process that involves sending a signal from the Central Processing unit (CPU) to memory and awaiting return of the information. find th
Construct the molecular diagram for the system of a delocalized 1,3,5,7-cyclooctatetraene. What does this predict about this system. Is there a more stable arrangement for the bonds
A 81.0kN spaceship comes in for a vertical landing. From an initial speed of 1.00 km/s, it comes to rest in 2.10min with uniform acceleration. What braking force must its rockets provide