how does the entropy of the system change when equal volumes of ethanol and water are mixed to form a solution?

Areaction in which products can react to re-form reactants is

What is the most common reason for matter changing its state?

An unknown substance has been shown to have weak covalent bonds. which of the following is most likely a property of this substance? a. high ph b. high conductivity c. low melting point d. low flammability