What is the cell potential of an electrochemical cell that has the half-reactions shown below?
Fe3+ + e-+ Fe2+
Cu → Cu2+ + 2e-
A. 1.2 V
B. 0.43 V
C. - 0.43 V
D. 1.1 V

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.