The pka of the α-carboxyl group of methionine is 2.28, and the pka of its α-amino group is 9.21. calculate the average net charge on methionine if it is in a solution that has a ph of 8.00. if the charge is positive, do not enter a \" \" sign.

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?

In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)