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Chemquest 3 changes and matter answer key
For example, by passing electricity through water it can be broken down into. A chemical change is any alteration that changes the identity of matter. b) mixing sugar with coffee. The sugar is still sugar before and after you mix it with coffee. a) boiling water until no water remains. Boiling the water simply changes the state of matter, but it is still H 2 O before and after it is boiled. Explain why each of the following is a physical change. Learn how to keep corporate minutes. Burning paper is a chemical change because after the change takes place, the paper has been changed into different substances (like ash, carbon dioxide, etc.). Search for chemquest 3 changes and matter answer key with Ecosia and the ad revenue from your searches helps us green the desert . Ecosia is the search engine that plants trees. c) mixture: Matter that is composed of two or more pure substances physically combined together. d) pure substance: Matter that is not mixed—either a pure element or a pure compound. Matter that is composed of two or more kinds of atoms chemically combined together (that is, it is made by a chemical change occurring between two or more atoms). 2. Neither the sugar nor the coffee changes into something entirely different. Explain why each of the following is a chemical change. b) mixing sugar with coffee The sugar is still sugar before and after you mix it with coffee. Boiling the water simply changes the state of matter, but it is still H 2 O before and after it is boiled. Chemquest 3 changes and matter answer key CHAPTER 3: MATTER Active Learning Questions: , 9, ; End-of-Chapter Questions: , 20, , , 44, , , . Study with Quizlet and memorize flashcards containing terms like Define physical change, Define chemical change, Identify: dissolving salt in water and. Learn how to re-key a door lock with these steps.