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

Embryos of different species look very similar, which shows that the organisms share a ancestor.

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?