How much of a radioactive kind of antimony will be left after 12 days if you start with 96 grams and the half-life is 4 days? Item 31
POSSIBLE POINTS: 2.44
An investigation was performed to determine the ability of yeast to metabolize different carbohydrates. Four experimental tubes, A, B, C, and D, each containing 0.5 gram of yeast, were filled with water. Different carbohydrates were added to each tube . The tubes were then sealed. At the end of 45 minutes, the amount of gas produced by the yeast was measured. The results are shown in the table below.

The gas produced by the yeast was most likely

hydrogen
hydrogen

oxygen
oxygen

nitrogen
nitrogen

carbon dioxide