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Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction
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Se tiene un cubo de aluminio (masa = 4g / arista = 2cm) este se va a introducir en una torre de dens...
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