The base-dissociation constant, kb, for aniline is 4.3 × 10-10. what is the acid-dissociation constant for the conjugate acid of aniline? 2.3 × 10-59.5 × 10-44.3 × 1057.5 × 10-11

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397