Answer:
how long will it take for the concentration of A to be four times that of B = 23.08mins
Explanation:
The rate law equation was applied as it relates to the half life for a first order reaction as shown in the attachment.
Answer:
13-b
Explanation:
because 13-b is close to a and 12
Answer:
it make poisionus police come and took away
Because potassium is more reactive than hydrogen
It's been a while since I've done this stuff... I'm pretty confident 3. is decibels. 2 could be perception (because perception is the pitch that a human hear designates to the frequency it receives). I'm unsure about the first one.