We turn up a speaker so that it is 100 times as intense as before. How many decibels will it be if the original sound wave
is 90 decibels?
a 130 dB
b 100 dB
C 120 dB
d 90 dB
e 110 dB
Check it

How does litmus paper indicate an acid?

What’s a special glass that most beakers are made of

Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d.the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge