Hfor the formation of cucl2 from its elements is -220.1 kj/mol. when 0.30 mole of cucl2 is formed, energy will be: released required

What is the correct lewis structure for chloroform chcl3

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.