Which statement is true of diffusion? O Diffusion is only important for animal cells O Molecules move from areas of high concentration to areas of low concentration. 0 Only water can diffuse across a cell membrane. O Diffusion requires energy input from the cell.

What does x represent in the formula for the compound xcl4?

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

Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.