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Calculate the pH of the solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of 0.10 M HCN (Ka = 4.9 × 10^-10) solution.
A 325-mL sample of solution contains 25.3 g of CaCl2 calculate the molar concentration of Cl in this solution
The Br-F bond distance in the interhalogen compound BrF is 1.76 Å. Use this information to estimate the average
Make an energy level diagram, showing ALL suborbitals, large enough to accomodate the 1st 36 elements
Calculate the values of the rate constant k assuming that the reaction is first order
A gas occupies 672 mL at 785 mmHg. What volume would it occupy at 453 mmHg at constant temp??
Explain clearly the properties of agood freezing agent basing the explanation vant hoffs factor and on colligative property.
a photon has a wave lenght of 501 nm . calculate the energy of the photon in joules . enter your answer in scientific notation
Which reaction sequence would be best to prepare m-chloroaniline from benzene? a. chlorination, nitration, reduction
Nitrogen forms more oxides than any other element. The percents by mass of N in three different nitrogen oxides are (I) 46.69% (II) 36.85% (III) 25.94%. For each compound, determine
The activation energy for the isomerization of methyl isonitrile (see figure) is 160 kJ/mol. Calculate the fraction of methyl isonitrile molecules that has an energy of 160.0 kJ or greater at 493 K.
In a haloform reaction with chloride, what reaction step is pertinent to the synthesis of molecular chloride?
What differences might you expect in the comparative solubility of each of them in lipids? WHY?
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