Which properties are more useful in determining the identity of an unknown substance: intensive or extensive? Explain.
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1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles