Which of these is a good conductor? 1)wood 2)air 3 )silver 4)paper

What type of reaction is zn + cucl2 → cu + zncl2?

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

Achemist reacted 57.50 grams of sodium metal with an excess amount of chlorine gas. the chemical reaction that occurred is shown. na + cl2 → nacl if the percentage yield of the reaction is 86%, what is the actual yield? show your work, including the use of stoichiometric calculations and conversion factors.