What is true of a physical change? 1) results in a rearrangement of the elements that make up the substance 2) results in a substance that is still the same substance 3) results in a substance with completely different physical properties 4) results in a new substance that is not the same substance
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Chemistry, 22.06.2019 05:50
Why doesn't heat added to water make the tempature rise above 100c
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Chemistry, 22.06.2019 15:00
Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.
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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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Chemistry, 22.06.2019 19:10
How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !
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What is true of a physical change? 1) results in a rearrangement of the elements that make up the s...
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