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Which of the following is not an example of a chemical change? A. rusting iron B. an apple ripening C. cutting paper D. a piece of wood burning
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If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?
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Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.
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What metric units would you use to measure the thickness of a key
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Chemistry, 22.06.2019 16:20
When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa
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Which of the following is not an example of a chemical change?
A. rusting iron B. an apple ripenin...
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