3. Provide two reasons why compound 2 is a much stronger base than N, N- dimethylaniline l. (2.5 M)

HC

сн.

N

EIN

CH,

NED

OCH,

2

pka of conjugate acid 5.1

pka of conjugate acid = 16.3

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted