38 the boiling points, at standard pressure, of four compounds are given in the table below. compoundboiling point (oc)h2o100.0h2s-59.6h2se-41.3h2te-2 .0
what type of attraction can be used to explain the unusually high boiling point of h2o?
(1) ionic bonding
(2) hydrogen bonding
(3) polar covalent bonding
(4) nonpolar covalent bonding

Light waves travel than sound waves.

Using this reversible reaction, answer the questions below: n2o4 2no2 (colorless) (reddish-brown) -as the temperature increased, what happened to the n2o4 concentration? -was the formation of reactants or products favored by the addition of heat? -which reaction is exothermic? right to left or left to right? -if the change of enthalpy of this reaction when proceeding left to right is 14 kcal, which chemical equation is correct? n2o4 2no2 + 14 kcal n2o4 2no2, hr = +14 kcal n2o4 + 14 kcal 2no2 n2o4 2no2, hr = -14 kcal

If you had to research a particular disease or area of concern in veterinary medicine and science, which one would you choose? why?