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.
Mixture-A physical blend of two or more substances that are NOT chemically combined. Compound-A substance that contains two or more elements CHEMICALLY combined in a fixe â¦ d proportion. Compound is chemically combined, mixture is not chemically combined.
Compounds A compound is made up of two or more types of elements (e.g. water and carbon dioxide) that are chemically combined in a set ratio. They cannot be broken down into â¦ two or more simpler substances by physical means, only by chemical means.Properties of compounds differ from those of their elements.hey are written in a formula. A compound is a pure substance made up of 2 or more chemically combined elements. that are combined, and combine a lot. they are also together so that means that they are combined.