C. When anhydrous salts, which can exist in hydrated form dissolves, its enthalpy of solution is usually negative whereas when hydrated form of the same salt dissolves, its enthalpy of
solution is always positive. Explain

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

Which of the following molecules is polar? c3h7oh c2h5cooh

Can someone me out on this question for my national 5 chemistry homework