Chemistry, 23.07.2019 15:30 aidanfbussiness
Ground water has some minerals dissolved in it. if you heat this water, collect the vapor in another container, and then cool it, you will get pure, or distilled, water. what makes this process a physical change? it forms a new substance (minerals), which is a physical change. it forms a new substance (water vapor), which is a physical change. it changes the color of water, which is a physical change. it changes the molecular structure of water, which is a physical change. it separates dissolved substances, which is a physical change.
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Chemistry, 21.06.2019 22:10
Here’s one way to follow the scientific method. place the missing steps in the correct position in the process
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Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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