How many moles are in 7.6 g of Cl2 gas?

Which substances have the lowest melting points: ionic covalent, or metallic

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.