Questions from General Chemistry

Q: What are the major advantages of Fourier transform IR instruments over dispersive

What are the major advantages of Fourier transform IR instruments over dispersive IR instruments?

Q: A photometer with a linear response to radiation gave a reading of

A photometer with a linear response to radiation gave a reading of 625 mV with a blank in the light path and 149 mV when the blank was replaced by an absorbing solution. Calculate a) The percent trans...

Q: A portable photometer with a linear response to radiation registered a photocurrent

A portable photometer with a linear response to radiation registered a photocurrent of 75.9 μA with a blank solution in the light path. Replacement of the blank with an absorbing solution yielded a re...

Q: How does information supplied by a direct potentiometric measurements of pH differ

How does information supplied by a direct potentiometric measurements of pH differ from that obtained from a potentiometric acid-base titration?

Q: Why does a hydrogen lamp produce a continuum rather than a line

Why does a hydrogen lamp produce a continuum rather than a line spectrum in the ultraviolet?

Q: What are the differences between a photon detector and a thermal detector

What are the differences between a photon detector and a thermal detector?

Q: Describe the basic design difference between a spectrometer for emission measurements and

Describe the basic design difference between a spectrometer for emission measurements and one for absorption studies.

Q: Describe how an absorption photometer and a fluorescence photometer differ from each

Describe how an absorption photometer and a fluorescence photometer differ from each other.

Q: What is the difference between an absorption filter and an interference filter

What is the difference between an absorption filter and an interference filter?

Q: Define (a) Transducer. (b) Photocurrent

Define (a) Transducer. (b) Photocurrent. (c) N-type semiconductor. (d) Majority carrier. (e) Depletion layer. (f) Dynodes in a photomultiplier tube.