As a chemical reaction occurs, the thermometer in the container records a decrease in temperature. what is true of the reaction? a the reaction is endothermic because heat was released by the reaction. b the reaction is exothermic because heat was taken in by the reaction. c the reaction is endothermic because heat was taken in by the reaction. d the reaction is exothermic because heat was released by the reaction.
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13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.
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As a chemical reaction occurs, the thermometer in the container records a decrease in temperature. w...
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