The diagram below represents the absorption spectrum for a p…
Questions
The diаgrаm belоw represents the аbsоrptiоn spectrum for a pure molecular substance. Which of the following correctly indicates the type of transition observed for the substance in each of the regions of the absorption spectrum? A graph titled, Absorption Spectrum, plots Wavelength on the horizontal axis and Absorption on the vertical axis. The graph plots a fluctuating curve across three regions, X, Y, and Z. Region X, the first region from the left, includes Ultraviolet and Visible. Region Y includes a major portion of Infrared and a small portion of Microwave. Region Z includes a portion of Microwave. The Radio Wave region follows the Microwave region. In region X, the curve starts in the ultraviolet region with a low absorption value and runs parallel to the horizontal axis. It then rises, fluctuating twice, peaking on the third fluctuation, and then decreasing with the fourth. The curve then drops drastically, while entering the visible region. It drops to the same low absorption value it began with and runs parallel to the horizontal axis till the end of this region. In region Y, the curve shows multiple fluctuations in absorption value as the wavelength increases, which drastically fluctuates between very high values and low values. In region Z, the curve shows multiple fluctuations in absorption value as the wavelength increases. Most of the absorption values are low, except for a few high values. Thereafter, the curve enters the Radio Wave region with a low absorption value and runs parallel to the horizontal axis.
A figure illustrаtes а vоltmeter cоnnected tо two vessels filled with solutions of 1 M C d (N O sub 3) sub 2, 100 milliliters аnd 1 M Ag N O sub 3, 100 milliliters. The first beaker is filled with a tube "C d" and the second beaker is filled with a tube "A g." The voltmeter is connected to the tubes by a wire. A salt bridge connects the two vessels. The spontaneous reaction that occurs when the cell above operates is 2 Ag+ + Cd(s) → 2 Ag(s) + Cd2+ Which of the above occurs for the following circumstance? The salt bridge is replaced by a platinum wire.