Answers Calculate the pH at the equivalence point for the titration of 0.100 M methylamine ( CH 3 NH 2 ) with 0.100 M HCl . The K b of methylamine is 5.0 × 10 − 4 .

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:

What is a difference between a mixture of elements and a mixture of compounds