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Explain titration of a strong acid with a strong base. The pH curve for titration of 50.0mL of a 0.100 M solution of hydrochloric acid with a 0.100 M solution of NaOH (aq). For clarity water molecules have been absent from the molecular art.
Explain what volume of NaOH(aq) would be wanted to reach the equivalence point if the concentration of the added base were 0.200 M?
State the correlation diagram for the B2 molecular orbitals. Identify bonding and ant bonding MO's and determine bond order. Why do? Bonding orbitals have lower energy than the? p bonding MO
A radio station broadcasts at 99.5MHz. Another radio station broadcasts at 720 kHz. Calculate and compare the wavelengths and energies of the photons emitted by these two radio stations.
If a 180 mg piece of gold (density =19.32 ) is hammered into a sheet measuring 2.41.0 , what is the average thickness of the sheet in meters.
examine the reaction you have written. what will be the effect of decreased pressure on the system on the
The rainwater is mainly composed of NaCl 1 mM and its pH is 4.6. Without using a computer, determine the concentration of Ca2+in runoff water.
1 Liter H2O with a pH of 7. How much acetic acid (C2H4O2 with K=1.8 x 10^-5 and M.W. of 60.05g/mole) needs to be added to lower the pH of the water to 3
When a piece of copper wire is placed in a colorless solution of silver nitrate, the surface of the wire becomes coated with a shiny silvery material, and the copper begins to form aqueous copper(II) nitrate, which is blue. Which of the following ..
why is it important to immediately cover the Mg ribbon with the other slab of dry ice once it starts burning?
suppose that a hypothetical element consists of a mixture of two isotopes. one isotope having mass 44 amu is present in
What substance is produced at the anode during the electrolysis of a mixture of molten calcium bromide, CaBr2(l), and molten magnesium iodide, MgI2(l)? Assume standard conditions
For the cyclohexanes substituted in the positions indicated, identify the substituents as either axial or equatorial in chair conformers. For example, a 1,2-cis relationship means that one substituent must be axial and one equatorial.
List and draw all types of noncovalent interactions (charge-charge electrostatic, hydrogen-bonding, hydrophobic reactions) that can occur between the side-chains of the following amino acids.
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