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The frequency is 91.74 MHz.
It is UltraViolet Radiation.
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Answer: 8.38 seconds
Explanation:
Integrated rate law for second order kinetics is given by:
= initial concentartion = 0.860 M
a= concentration left after time t = 0.230 M
k = rate constant =
Thus it will take 8.38 seconds for the concentration of A to decrease from 0.860 M to 0.230 M .
The ph level depends on temperature.
A physical property of copper is that copper is a good conductor of heat.