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What bond angles do you expect for each of the following? (a) The F---S---F angle in SF2 (b) The H---N---N angle in N2H2 (c) The F---Kr---F angle in KrF4 (d) the Cl----N----O angle in NOCL
What is the pH of a solution obtained by mixing 45 ml of 0.050 M NaOH with 25 ml of 0.250 M Ba(OH)2
A voltaic cell is created with one half-cell consisting of a copper electrode immersed in 1.0 M CuSO4 solution and the other half cell consisting of a lead electrode immersed in a 1.0 M Pb(NO3)2 solution. Each half-cell is maintained at 25o C. Wha..
The graph above shows the titration curves of four monoprotic acids of varying strengths. All of the acids start out at 0.1 M concentration and 25.0 mL volume. Choose all of the correct statements about these titration curves from the choices belo..
How many milliliters of 0.130 M HCl are needed to completely neutralize 54.0 mL of 0.104 M Ba(OH)2 solution?
What is the molecular formula for a substance that contains in 1.00 mole of sample 1.00 mole of S, 24.1 x 10 to the 23rd atoms of F, and 71.0 grams of Cl
What would be the expected CNMR, HNMR, and IR spectra for lidocaine, 2,6-dimethylaniline, and alpha-chloro-2,6-dimethylaniline?
Use Coulomb's law to calculate the ionization energy in kJ/ mol of an atom composed of a proton and an electron separated by 278.00 pm . Part 2, What wavelength of light would have sufficient energy to ionize the atom
The moles of salicylic acid is 0.00724mol. The molar mass is 138.12 salicylic acid . Given 1.00 g of salicylic acid . Please show work? m=mol of solute X particles per formation/ mass of solvent, kg
0.01M HCl reacts with 3.18 g Na2CO3. Here 50 mL of HCl is required for the reaction. Calculate the volume of CO2 produced at 273 K and 1 atm.
why is it essential to evaporate methanol quickly (within 10-15 minutes) if you are isolating the aspirin
What is the enthalpy change for the combustion of 12.5 g C4H10 in excess oxygen? C4H10 g + 13/2 O2 g = 4 CO2 g + 5 H2O g H= -1895 kJ
start with 200 mg of cyclopentadiene and 300 mg of Maleic anhydride, and 375 mg of the cycloadduct anhydride is obtained: Which is the limiting recant?
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