Nitrogen (N) normally forms three covalent bonds with a valence of five. However, ammonium has four covalent bonds, each to a different hydrogen (H) atom (H has a valence of one). What do you predict to be the charge on ammonium?

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#Question id: 8717

#XL - S Microbiology

Molecular clocks are more reliable when ________.

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#Question id: 500

#XL - S Microbiology

The oxidation of 3 mol of glucose by the pentose phosphate pathway may result in the production of:

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#Question id: 308

#XL - Q Biochemistry

The vapor pressure of o-nitrophenol at any given temperature is predicted to be______

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#Question id: 402

#XL - S Microbiology

If the DG'° of the reaction A -> B is –40 kJ/mol, under standard conditions the reaction:

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#Question id: 28117

#XL - U Food Technology

What is the reason for blanching vegetables prior to freezing?