1. The first well remained colorless. Why? 2. Does tia confirm or negate your negative results?

3. Why does either answer you give still remain tentative?

4. The third, fourth, and fifth Wells showed brown, but were not a deeper brown than the second well even though there were increasing amounts of potassium iodide.

A. Explain why this occurred

B. At this point, how could you cause the brown to become deeper in Wells containing more potassium iodide?

[ou.03jthe pictures below show the wavelengths and intensities of electromagnetic radiations emitted by three stars, star 1, star 2, and star 3. intensity intensity- intensity- 1000 3500 6000 8500 11000 wavelength (a) star 1 1000 3500 6000 8500 11000 1000 3500 6000 8500 11000 wavelength (a) wavelength (a) star 2 star 3 which of these statements is correct about the color of the three stars? star 2 is white in color o star 2 is yellow in color star 1 and star 3 are yellow in color star 1 and star 3 are white in color

Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h

What is the name of the enzyme that forms at the start of transcription?