13 (01.05 HC)
In science class, the teacher, Mr. Jacobs, breaks a wooden board in half as a demonstration. Carol states that she believes this is an example of a physical change. Which of the following best explains If Carol's calm
is correct or incorrect? (1 point)
This is correct because each plece of wood has the same composition
This is correct because the wood has changed its composition
This is incorrect because each plece of wood has the same composition
This is incorrect because the wood has changed its composition.
Answers: 3
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For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition
Answers: 1
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If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution
Answers: 1
Chemistry, 22.06.2019 08:00
What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m
Answers: 1
13 (01.05 HC)
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