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What term describes technology that operates on an atomic level
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What kind of chemical reaction does the chemical equation sodium + chlorine → sodium chloride represent? a. combustion b. decomposition c. single replacement d. synthesis
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Two changes are described below. a green banana turns yellow and ripens. a layer of rust forms on an iron nail. which statement is true about the two changes? a) both are chemical changes because new substances are formed. b) both are physical changes because only the physical state of the substances change. c) a is a physical change due to a change of state, but b is a chemical change because new molecules are formed. d) a is a chemical change due to a change of state, but b is a physical change because new molecules are formed.
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The metal rhodium becomes superconducting at temperature below 0.0003k . calculate the temperature a...
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