In the following reaction: Fe+Zn^ +2 Fe^ +2 +Zn

A. Fe is reduced and Z * n ^ (+ 2) is the oxidizing agent
B. Fe is reduced and Z * n ^ (+ 2) is the reducing agent
C. Fe is oxidized and Z * n ^ (+ 2) the oxidizing agent
D. Fe is oxidized and Z * n ^ (+ 2) is the reducing agent

What elements have 2 electrons inthe 4s sublevel

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

Identify a specific example for each type of technology