A concentration cell is constructed of copper electrodes, and the half cells are 0.45 M and 0.65 M in the Cu2 ion. What is the voltage of the concentration cell

Identify a specific example for each type of technology

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together