D) Calculate the Standard Heat of Formation of ethanol liquid using the molar enthalpy of combustion of ethanol given above in part a and the following heats of formation: deltaH°f:
(CO2 (g)) = -393.52 kJ/mol and deltaH°f(H20 (g)) = -241.82 kJ/mol

part a is c2h5oh+3o2-->2co2+3h2o​

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

May someone me with these science questions