Averages for Havana in August. The month of August can be unbearably hot in Havana. Visitors at this time of year are often there for one purpose and that is to swim in the incredibly warm waters of the Gulf of Mexico. As the midday heat descends upon the Cuban capital city, Havana, everyone heads to the water or inside to keep cool.
A compound can have properties different from its constituents,  as a new substance is formed when the constituents are chemically  combined.  The constituents of a compound can be separated only by  chemical methods.     Mixtures    Mixtures are impure substances.
Compounds are substances composed of two or more different elements. Compounds are also pure substances. A mixture is a physical combination of elements or compunds where the parts of the mixture are not chemically bonded and so retain their own identity.These elements and compounds can be separated by physical means.Answer #2). We are looking at the difference between elements, compounds, and mixtures. Elements are the purest form of a chemical substance and are composed of only one type of atom. In other words, all of the atoms in an element will have the same number of protons.