Why is ice less dense than water? a. the water molecules in ice have less mass than in liquid water b. the water molecules are more closely packed together in ice than in water. c. the water molecules form crystalline lattice structures in ice where they are more spread out d. the water molecules in ice have less volume than in liquid ice.

Write a paragraph at least 10 sentences explaining how rocks are used today in society

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon

What does the symbol (–hfus) indicate in a phase change?