The radiation in a microwave has a frequency of 2.21 x 10°Hz. Determine the wavelength of this wave.

Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?

Draw two cyclic constitutional isomers of cis-1

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device