H2O became a vapor when heated because thats the only one that can go back to its normal state, which is what a physical change is.
The rate of dissolution of a solid solute into the solution decreases when you stop stirring it. Generally, stirring increases the dissolution rate of a solid into a solution. An example is coffee with sugar, the sugar dissolves faster when stirred versus when left to dissolve on its own.
Answer:
-Unknown
Explanation:
Questions is not seen properly bro
Answer:
201.9
Explanation:
when you divided 760 with 400 yo get 19.0 the add it with 200 you get that answer
