Which of the following is a galvanic cell? A. Silver (Ag) oxidized, aluminum (AI) reduced
B. Copper (Cu) oxidized, aluminum (Al) reduced
C. Aluminum (AI) oxidized, zinc (Zn) reduced
D. Aluminum (AI) oxidized, sodium (Na) reduced

Select the most likely product for this reaction: koh(aq) + co2(g) – ? k2co3(aq) + h2o(1) k(s) + h2(g) + o2(g) k(s) + co3(9) +h2

Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element

Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each of these numbers in an alternate form.