What is the calculated value of the cell potential at 298 k for an electrochemical cell with the following reaction, when the h; pressure is 3.77x10 bar, the h concentration is 1.49 m. and concentration is 5.57x104 m7 the cr l(g)+2cr '(aq) 61'(aq) 2cr(s) v answer the cell reaction as writen above is product-favored (spontaneous) for the concentrations given:

chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. these processes are called chemical reactions and, in general, are not reversible except by further chemical reactions. some reactions produce heat and are called exothermic reactions and others may require heat to enable the reaction to occur, which are called endothermic reactions. understanding chemical changes is a major part of the science of chemistry.