DDT was banned in The United States because it what?

Red light has a wavelength of about 7*10-7 m. will exposure to red light cause electrons to be emitted from cesium?

Remembering that SN2 reactions go with 100 % inversion of configuration, while SN1 reactions lead to racemization, explain why the reaction of (Z

Explain how you figure out the increase or decrease

A student neutralized 16.4 milliliters of HCl by adding 12.7 milliliters of 0.620 M KOH. What was the molarity of the HCl acid? (1) 0.168 M (3) 0.620 M (2) 0.480 M (4) 0.801 M

Examine the nuclear reaction: 1H+ 11. Why is this classified as a nuclear reaction rather than a chemical reaction? It is not balanced. A new compound is formed. A change has occurred in a nucleus. O A new element has been formed.

A gas has a volume of 10 L at 0 C what is the final temperature of the gas if it volume increases to 25L

Are specimens the best source of DNA

Given the solubility, calculate the solubility product constant (ksp) of each salt at 25°c: (a) ag2so3, s = 4.6 * 10-3 g/l; (b) hg2i2, s = 1.5 * 10-7 g/l; (c) zn3 (po4) 2, s = 5.9 * 10-5 g/l.

Why does ionization energy tend to increase as you move across a period

Why does the rate of a reaction generally increase with increased temperature? (Choose all that apply) A. at higher temperatures, molecules are more likely to collide with each other in the correct orientation. B.