Mike, a Plumbing Contractor, Was Hired to Correct a Stoppage

question 35

True/False

Mike, a plumbing contractor, was hired to correct a stoppage in the sewer line at Sarah's house. During his work, he discovered numerous leaks in a rusty, defective water pipe that ran parallel with the sewer line. To meet public regulations, the water pipe had to be replaced either then or later, when the yard would have to be redug. Mike replaced the water pipe and Sarah inspected the work daily and did not object to the extra work. When Mike finished, Sarah refused to pay for the water pipe replacement since that was not what she originally hired Mike to do and she had never specifically agreed to that work. Sarah must pay Mike for his labor and materials costs for both the sewer and water line repair.

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Definitions:

NMR Spectrum

A depiction of the nuclear magnetic resonance of atoms within molecules, providing detailed information about the structure, dynamics, and environment of the molecule.

C-13 NMR

A type of nuclear magnetic resonance spectroscopy that focuses on the detection of carbon-13 isotopes to determine the structure of organic compounds.

Off Resonance Splitting

A phenomenon in NMR spectroscopy where the splitting of signal occurs away from the resonance frequency due to interactions with neighboring atoms.

H-NMR Spectra

The set of signals obtained in hydrogen-1 nuclear magnetic resonance spectroscopy, which provides information on the molecular structure, especially about the environment of hydrogen atoms in a compound.