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Which of these is an example of a physical change? a. wood burning b. a piece of metal rusting c. sugar dissolving in water d. a mineral weathering to form another mineral
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Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.
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Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust
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Many free radicals combine to form molecules that do not contain any unpaired electrons. the driving force for the radical–radical combination reaction is the formation of a new electron‑pair bond. consider the chemical equation. n(g)+no(g)⟶nno(g) n(g)+no(g)⟶nno(g) write lewis formulas for the reactant and product species in the chemical equation. include nonbonding electrons. n(g)n(g) select draw rings more erase select draw rings more erase select draw rings more erase n no(g)
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Which of these is an example of a physical change? a. wood burning b. a piece of metal rusting c. s...
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