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Explain is the S-X bond length in one molecule longer than the other X = H, F? Reduce the relative direction of the dipole moments for the two molecules. Molecules are H2S as well as SF2
Give a nanoscale interpretation of the fact that at the melting point the density of solid mercury is greater than the density of liquid mercury, and at the boiling point the density of liquid mercury is great than the density of gaseous mercury.
A hypothetical metal has a simple cubic unit cell with the edge length of 4.123 Å. Calculate the radius of the metal atom.
Describe the hazards of each of the solutions. Explain why the mixture is not as hazadous as the original solution from a waste disposal point of view.
What are the poles of the following transfer functions?
Calculate the change in internal energy on an isothermal compression of 1.00kg of water at 20degress from 10^2 to 10^4 kPa
Ammonia burns in pure oxygen and reaction produces nitrogen and water. What is the amount of Nitrogen produced from 45.0 g NH3?
What is the density of a sample of ammonia (NH3) gas in a 4.32 L flask at a pressure of 641 torr and a temperature of 37.0oC?
Give the reaction scheme, showing the products formed (before hydrolysis) when one equivalent of ethylmagnesium bromide is treated with one equivalent of 5-hydroxy-2-pentanone.
The molar heat capacity of silver is 25.35 j/mol C. How much energy would it take to raise the temperature of 10.0g of silver by 14.8 C. what is the specific heat of silver
What mass of C4H6 in grams is consumed in the reaction below when 39.8 grams O2 (g) are also consumed? C4H6 (g) + O2 (g) ' CO2 (g) + H2O (g) (not balanced)
Draw all possible mesomeric structures of the carbocationic intermediate in the chlorination of benzoic acid. Explain why the main product is m-chlorobenzoic acid.
A reaction rate triples when the temperature increases from 15 oC to 35 oC, maintaining everything else equal. What is the activation energy for this reaction. (R = 8.314 J/mol K)
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