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1.Based on the following equation, how many moles of hydrochloric acid are
needed to react with 0.64 moles of potassium permanganate?
2KMnO 4 + 8 HCl → 3 Cl 2 + 2 MnO 2 + 4 H 2 O + 2KCl

**SHOW WORK**

Why are gamma rays not affected by a magnet as they pass over it? gamma rays are composed of only energy. gamma rays do not have enough mass to be affected. gamma rays do not have the right electrical charge to be affected. gamma rays move too fast for anything to affect their pathway.

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol