7. two solutions are added together and the new solution becomes hot. this tells you that\na. the physical…

7. two solutions are added together and the new solution becomes hot. this tells you that\na. the physical properties are the same.\nb. a chemical change is taking place.\nc. a gas is being produced.\nd. the solutions are not soluble.\n6 of 10 answered\nsession timer: 3:05

7. two solutions are added together and the new solution becomes hot. this tells you that\na. the physical properties are the same.\nb. a chemical change is taking place.\nc. a gas is being produced.\nd. the solutions are not soluble.\n6 of 10 answered\nsession timer: 3:05

Answer

Brief Explanations:

When two solutions are combined and the new solution becomes hot, it indicates a chemical reaction is occurring. Chemical reactions often involve energy - changes like heat release. Physical changes do not involve a change in the chemical composition and usually do not have significant heat - release. If the physical properties are the same, it's a physical change. Gas production and insolubility are also signs of chemical changes, but the heat generation in this case points to a chemical change.

Answer:

C. a chemical change is taking place